PED

PLA

459

cum by, 216; term loricata used
by, 191
Pediculus marinus, of Rondelet,
352; of Seba, 354

Pedunculata, order or suborder of
Cirripedes, 11

Pelocarcinus, synonym of Gecar-
coidea, 80

Peltogaster, 402, 409; purpureus,
402; paguri, Rodriguezii, 403
Penæidæ defined, 213
Penæidea defined, 213
Penæus, 214; canaliculatus, cara-
mote, monodon, semisulcatus,
215; esculentus, 216; mem-
branaceus, siphonoceras, 217;
the petasma, 215; the thely-
cum, 216; the development, 217
Penguin, Eucopia australis ob-
tained from a, 261
Pentacheles euthrix, 200

Peræon, alias thorax or trunk, 44
Peræopods, limbs of the five seg-
ments immediately preceding
the pleon, 44
Pericera cornudo, 119
Periceridæ defined, 119

Peripatus, genus assigned to the
Myriapoda, or to the Oxycho-
phora, 3

Perrier, Prof. E., 103

Peryscyphis, trivialis, 433; mean-
ing of name, 434
Petalidium, 221

Petalomera pulchra (family Dro-
mida), 136, 140

Petalomera preoccupied, declivis
(family Pseudocumida), 308
Petalophthalmus, 267; armiger,

268

Petalopus preoccupied, 308
Petalosarsia, new generic name,
declivis, 308

Petasma, in Penæidæ and Serges-
tidæ, 215

Peteinura gubernata, huge tail of,
220

Petiver, name given to Scyllarus
latus by, 192
Petrolisthes Boscii, 173

Philoscia, corsica, Couchii, elon-

gata, longicornis, muscorum,
pubescens, pulchella, 430; ano-
mala, bucculentus, celleria, 431
Philougria, synonym of Trichonis-
cus, riparia, rosea, vivida, 422
Philyra, 127; pisum, parasites
upon, 128

Phlyxia, connection of, with Eba-
lia, 129; orbicularis, undecim-
spinosa, 130

Phoberus tenuimanus, 206
Phreatoicidæ, 388

Phreatoicidea, a new tribe, 388
Phreatoicus described, 388; aus-
tralis, typicus, 389; affinities
discussed, 390

Phryxiens, 393, 408
Phryxus (preoccupied, but hitherto
retained), paguri, resupinatus,
409; longibranchiatus, 410;
fusticaudatus, 411
Phyllobranchiata, 155, 166, 180
Phyllocarida, a suborder of the
Branchiopoda, 9; palæozoic, 31
Phyllodurus abdominalis, 418
Phyllopoda, a suborder of the
Branchiopoda, 9; large species
of, 31

Phyllosoma, larval form of Scyl-
larida and Palinuridæ, 191, 198
Phymacerite, the tubercle at
base of second antenna, con-
taining external orifice of the
green gland,' 255

Pigs hunting crabs, 159
Pilumnoplax, 93

Pilumnus, hirtellus, xanthoides,
64

Pinnixa, 103

Pinnophylax, 100

Pinnoteres, 99; meaning of name,
100

Pinnotheres, 99; stories about,100;
ascidiicola, lithodomi, pholadis,
pisum, veterum, 101
Pinnotheridæ defined, 99
Pinnotherion vermiforme, 408
Pirimela denticulata, 64

Pisa, 113; Gibbsii, tetraodon, tri-
bulus, 116

Plagusia, habits of, 98; chabrus,

mic segment in, 34

Pleuracantha preoccupied, 380
Pleurobranchiæ, 134

Pleurocrypta, galateæ, Hender-
sonii, porcellanæ, strigosa, 410
Pleurogonium, 380; inerme, rubi-
cundum, spinosissimum, 381
Pliny's opinion about Pinnotheres,
100

Pocock, Mr. R. I., 184, 197
Podascon Dellavallei, 401
Podobranchiæ, 134

Podocopa, a suborder of Ostracoda,
10

Podophthalma, the order, 7; de-
fined, 51

Podophthalmidæ defined, 71

Podophthalmus vigil, battledore
'front' of, 71

Poecilostoma, a suborder of Cope-
poda, 10

Polperro, the geographical position
of, 326

Polybius Henslowii, a great abun-
dance of, 68
Polycarpinea defined, 228

abyssal copepod, 20

Porcellana, 47; longicornis, platy-
cheles, 171, 172; Robertsoni,
173; Creplinii, 406
Porcellanella, 171
Porcellanidæ, 47, 171
Porcellaninea defined, 171
Porcellanides, 171

Porcellio,cristatus, dilatatus, lævis,
lamellatus, Marioni, pictus, pro-
vincialis, scaber, spinicornis,
427; lævis, scaber, extensive
distribution of, 428

Porcupine, the, Isopoda of, 321,
326

Portumnus, 66; latipes, variega-
tus, 67

Portunidæ defined, 65

Portunion mænadis, 407; Frais-
sei, Kossmanni, Moniezii, Sal-
vatoris, 408

Portunus, arcuatus, corrugatus,
depurator, holsatus, marmoreus,
puber, pusillus, tuberculatus, 66
Potamobia, fluviatilis, pallipes,
torrentium, 207

Potamobiidæ defined, 206
Potamonautes, 76

Praniza, synonym of Gnathia, 337
Praunus, 267; integer, 270; flexuo-
sus, inermis, neglectus, 271
Preguediou, 282

Priority, recognition of, advo-
cated, 203

Probopyrus, ascendens, Giardi,
palæmoneticola, 416

Procletes, biangulatus, Ellioti, 254
Promysis, 267, 275

Propodus, alias propodite, hand,
or sixth joint, 43

461

PRO

Prosthète cannelée, 416
Protopodite, 36

Protosquilla, elongata, Guerinii,
287; larval form of, 290

Protozoa, 1

Protozoea, 217

Prudden, Mr. T. M., on Gelasimus
minax, 91

Psalistoma, the cutting margin

of the mandible,' 255
Pseudarmadillo carinulatus, 433
Pseuderichthus, larval form of
Pseudosquilla, 290
Pseudibacus Veranyi, 194
Pseudione, callianassæ, confusa,
Dohrni, Fraissei, Hyndmanni,
insignis, 411

Pseudocalanus elongatus, parasite
on, 397

Pseudocarcinus gigas, 26

Pseudocorystes, 74; armatus, 75
Pseudocuma, cercaria, ciliata, lon-
gicornis, 307

Pseudocumidæ defined, 307
Pseudo-mandibles of Gnathia, 336
Pseudomma, 267; Sarsii, trunca-
tum, 269

Pseudomysis, 267; abyssi, 274
Pseudorhombila, 93

Pseudosiriella, 267; frontalis, 277
Pseudosquilla ciliata, 286
Pseudotanais, 323

Pseudozius, Mellissi, 62; Bouvieri,
63

Pterelas, 349

Pterygotus, a genus of the Mero-
stomata, 26, 27
Pterygostomian regions, 52
Pterygura, 146; reason for dis-
carding the name, 147
Ptilanthura, 332

Ptychogaster Milne-Edwardsi, 178
Pycnogonida, some peculiarities of
the, 3, 4

Pylocheles, Agassizii, spinosus, 169
Pylochelidæ, 169; a synonym of
Parapaguridæ, 170
Pyrgoniscus cinctutus, 434

QUADRELLA, 65

Rathke, J., Cymothoa lignorum of,
367

Réaumur, on exuviation, 207
Red Crab of the devil, 154
Regions of the carapace, 52
Regulus preoccupied, 239
Remipes, 151; adactylus, scutel-
latus, testudinarius, 152
Respiration, see

Branchiæ and

Breathing apparatus

Rhabdosoma armatum, a slender
species of Amphipoda Hype-
ridea, 30

Rhinoceros-whale, the, 25
Rhinoryctes mirabilis, 431
Rhipidura, or tail-fan, 46, 146
Rhizocephala, an order of Cirri-
pedes, 11

Rhoda, inermis, Jardineana, Ras-
chii, 263

Rhomaleocaris, 242

Rhynchocinetes typus, 228
Rhyscotus turgifrons, 429
River Crabs, 76

Robber Crab, 158

Robertson, Mr. David, observa-
tions on Corystes cassivelaunus,
74; Cumacea found in the Clyde
by, 292; Leptaspidia brevipes
found by, 381

Rocinela, 348, 352; danmoniensis,

signata, 349; foveolatus, 350
Rondelet on Squilla mantis, 282
Rumph, or Rumphius, story attri-

buted to, 142; his Cancer cani-
nus, 143; on the cocoanut
crab, 158

SABINEA, 225; septemcarinata,
227; larval form of, 228

Saophra, 353
Saophridæ, 351, 353

Sars, Professor G. O., on the
maxillary fan, 41; description
of Scyramathia Carpenteri, 118;
development of Macrura ano-
mala, 178; of Upogebia, 186;
on the Schizopoda, 257, 272;
Cumacea, 292, 313; Sphyrapus,
322; Leptochelia, 327; Cypro.
niscus cypridinæ, 397, &c.
Savart, 38

Savigny, 173, 251

Scalpellum regium, an abyssal
cirripede, 20
Scaphocerite, 38, 188
Scaphognathite, 41

Schiödte and Meinert, great work
on the Cymothoidæ by, 351
Schistomysis, 267; arenosa, Hel-
leri, Kervillei, ornata, Parkeri,
spiritus, 271

Schizopoda, a sub-order of Podo-

phthalma, 8; range in size of,
28; Bate's classification of, 223,
245; defined, 256
Sciacaris, 221

Sclerocrangon, boreas, cataphrac-
tus, salebrosus, 228
Scleropactes, 431

Scopimera, with a pane in the
leg, 102; globosa, 102
Scutuloidea maculata, 366
Scylla, 68; serrata, habits of, 69
Scyllaridæ defined, 191

Scyllaridea defined, and choice of
the name explained, 191
Scyllarus latus, 192
Scyphacella arenicola, 422
Scyphax, ornatus, setiger, 431
Scyra umbonata, 119

Scyramathia Carpenteri, descrip-
tion of, 118; origin of generic
name, 119

Seal, devoured by small crustacea,
21; stomach of, filled with
shrimps, 227
Sea-spiders, 3
Segments, 2, 32

SOL

Sensory filaments, 37
Seraphim, 27

Sergestes, literature of, 221; at-
lanticus, 221

Sergestidæ defined, 221
Serolis, paradoxa, 357; antarctica,
australiensis, Bromleyana, Bron-
gniartiana, carinata, cornuta,
elongata, latifrons, longicau-
data, minuta, neæra, pallida,
septemcarinata, trilobitoides,
tuberculata, 358; gracilis, 359;
eyes of, 359
Serolidæ defined, 356
Sesarma, 96; Pisonii, 97
Sexes, distinction of, 45; of
Corystes cassivelaunus, 72; of
the Oxyrrhyncha, 115; of Ga-
lathea, 175; of Gnathiidæ, 335;
of Cymothoidæ, 350; of Sphæ-
romidæ, 362

Shore Crab, the Common, 65
Shore-hopper, the, a littoral amphi-
pod, 16

Sicyonia, branchiæ of, 218; cari-
nata, 218

Siho maneki, meaning of the name,
88

Siphonostoma, a sub-order of
Copepoda, 10

Siriella, 267; Clausii, crassipes,
jaltensis, norvegica, 276; ar-
mata, Brooki, 277

Size, standards of, 24
Skeleton shrimps, 16, 22, 30
Slabber, Martin, on metamorphoses

of Crustacea, 59; on Macropsis,
273; on Eurydice achatus, 344
Sluiter, Dr. C. Ph., on manners of
Oxyrrhyncha, 113

Smith, Professor S. I., on young of
Caucer irroratus, 61; Platyo-
nichus ocellatus, 67; Ocypode
arenaria, 86; Gelasimus pugila-
tor, 89; Euprognatha rastelli-
fera, 111; Hippa talpoida, 150;
Upogebia affinis, 185; Squilla
mantis, 283, &c.
Solenocera, Philippii, siphono-
ceras, 217; meaning of the
name, 218

463

SOL

Solenolambrus, 121

Spatuliform, 65, 71

Specimens, on collecting, 12
Speleophorus, meaning of the
name, 130

Spencebatea abyssicola, 306
Spermatozoa, in the Squillidæ,

279

Sphæroma, serratum, 360; cur-
tum, Hookeri, Prideauxianum,
rugicauda, 361

Sphæromidæ defined, 359
Sphæroniscus, 433; flavomaculatus,

434

Sphyrapus, 321; malleolus, 321;
anomalus, serratus, tudes, 322
Spider Crabs, 105

Spirontocaris, 234, 235; Cranchii,
Gaimardii, pusiola, spinus, 236
Spiropagurus spiriger, 165
Sponge-dwellers, 17, 212, 349
Spongicola venusta, 212

Spurious females,' 109, 126, 128,
396

Squame, alias scale, acicle, sca-
phocerite, exopod of second
antennæ, 38, 146, 188, 279, 316,
319, 377, 379

Squilla, 281; mantis, 282; ar-
mata, Desmarestii, empusa, 283;
nepa, scabricauda, 284; larval
forms of, 289
Squillacea, Dr. Boas on, 279
Squillidæ, range of, 19; sizes, 29;
ophthalmic segment, 34; first
antennæ, 38; defined, 279, 281
Stalio, Professor, on Carcinus
mænas, 65; Maia squinado, 112;
Lissa chiragra, 117; Calappa
granulata, 124

Stenetrium, armatum, fractum,
Haswelli, inerme, 379
Stenoniscus pleonalis, 432
Stenopidæ, 211

Stenopidea defined, 211

Stenopus, hispidus, 211; spinosus,
212

Stenorynchus, spelling of, 105;
Phalangium, tenuirostris, 105
Stephanomma Goësii, unusual eye
of, 302

SYS

Stereomastis, meaning of the
name, 201; Suhmi, 200
Stiliform, origin of the word, 250,
311

Stilomysis, 267; grandis, 274
Stimpson, distinction of two
species by, 59; Latin descrip-
tion by, 418

Stochasmus, a conjecture rather
than a genus, 250

Stomach, on structure of, Dr. E.

Nauck, 47; M. F. Mooquard, 147
Stomatopoda, a sub-order of the
Podophthalma, 8; defined, 279
St. Paul's Rocks, land crabs at, 94
St. Peter's Sand, great crabs at,
26

Strauchia taurica, 308

Streets, Dr. T. H., on climbing
crabs, 158

Stridulating apparatus, 39, 64, 85,
92, 161

Strongylura, 325; arctophylax,
cylindrata, 328

Studer, Professor, on habits of
Serolidæ, 357
Stylamblys, 199, 255
Stylocerite, 188

Stylocheiron, longicorne, masti-
gophorum, 265

Stylodactylidæ defined, 250
Stylodactylus serratus, 250
Styloniscus, 421

Stymphalus dilatatus, 421
Subchelate, 45

Subgenera criticised, 107, 129,
208

Suicide by a crab, alleged, 158
Sweden, marine fauna of lakes in,
23, 272, 372

Swimming appendages, 45, 66,
180, 256, 279, 294, 383
Symbiosis, 168

Sympagurus, 166

Synarmadillo clausus, 435

Synaxes, 191, 197; hybridica, 198
Synaxidea, 46, 191

Syscenus infelix, 348
Syspasti, 425

Syspastus, a synonym of Helleria,
425