Acanthephyridæ, defined, 242
Acanthias vulgaris, devoured by
isopods, 344

Acanthocope, acutispina, spini-
cauda, 387

Acanthocyclus Gayi, 71
Acanthomunna proteus, 381
Acanthoniscus spiniger (family
Oniscidae), 432

Acanthoniscus (preoccupied) ty-
phlops (family Asellida), 378
Acanthoplax, 93

Acanthopus (preoccupied) clavi-
manus, habits of, 98
Acanthosoma, a larval Sergestes,
221

Acetes, 221; indicus, found in the
Ox-ray, 222

Achæus Cranchii, 106

Acicle, antennal scale or exopod,
146, 149, 155

ALT

Adamsia palliata, the hermit-crab's
associate, 167

Ega, 348; bicarinata, rosacea,
Strömii, tridens, 348; crenulata,
emarginata, Lovéni, monoph-
thalma, psora,
Schioedteana,
spongiophila, 349

Ægacylla, 349

Agathoa loliginea, 353

Ægidæ, how discriminated, 347
Agassiz, Alex., 29

Aka-oni-gani, 154

Alaotanais, priority of, considered,
324; serratispinosus, 327; lævi-
spinosus, 328

'Albatross,' U.S.S., 28, 30
Albunea symnista, 152
Albuneidæ defined, 152

Alcirona, insularis, Krebsii, 346
Alcironidæ defined, 346

Alcyonium butchered to make a
Maia's finery, 112
Alert,' H.M.S., 154
Alima, larval Squilla, 290
Alimerichthus,

290

larval Squilla,

ALT

barus, 209; suggested in Tana-
idæ, 327

Alternation of sex in Cymothoidæ,
350, 355

Amalopenæus elegans, 219
Amathia (pre-occupied) Carpen-
teri, 119

Amblyops, synonym of Amblyop-
sis, 269

Amblyopsis, abbreviata, crozetii,
269

Amboina, present from king of,
29; species of Gonoplax at, 92
Amorphopus, 102, 103
Amphiplectus, 234, 237
Amphipoda, name of, 8; where
found, 14, 16, 17, 22, 23; sizes
of, 30; place in classification, 8,
291; compared with isopods,
390; isopods parasites on, 400;
the suborder briefly defined,
436
Amphoroidea, australiensis, falci-
fer, typa, 365
Anamathia, 119

Anapagurus, 161, 165; chiroacan

thus, ferrugineus, Hyndmanni,
lævis, 161

Anarthrura, 325; simplex, linearis
(?), 328

Anaspis, recently discovered genus
of Schizopods, 257

Anceus, synonym of Gnathia, 300,
337, 338

Anchialus, 267; agilis, pusillus,
typicus, 274

Anchistia, migratoria, 248; scripta,
249

Ancinus depressus, 365
Anebocaris, 242
Aniculus, 160

Anilocra, asilus, 352; gigantea,
29, 352
Anilocridæ, 351
Annulosa, 2

Annulus ventralis of Cambarus,
208

Anomala, tribe of Brachyura, de-
fined, 133; tribe of Macrura,
defined, 149

Anomura, position of, 8; apterura,

ARI

52, 133; pterygura, 146; reason
for discarding, 147

Antennæ, first, alias antennules,
35; otoliths in, 36, 196, 248
Antennæ, second, alias outer,
under, 38; stridulating appara-
tus in, 39

Anthelura, 331; abyssorum, 333
Anthura, 331; flagellata, gracilis,
tenuis, 333

Anthuridæ defined, 330

Antilibinia Smithii, tenacity of,
117

Anuropidæ, suggested new family,
344

Anuropus, 342; branchiatus, 345
Aphareus inermis, 212

Apoda, order of Cirripedes, 11
Apodemes, 133

Appendages, a single pair to a
segment, 33, 42; names for the
parts of, 36, 43

Apseudes, 320; grossimanus, Lat-
reillii, simplicirostris,
321

Apseudidæ defined, 319

Apterura, meaning of, 133

talpa,

ARM

of, 77; on the crab with the
Pinna, 100; Carabos of, 195;
on name for the lobster used
by, 203; on a caridion in the
shell of a Pinna, 241
Armadillididæ defined, 432
Armadillidium, album, alpinum,

Davidi, esterelanum, Kochi,
Simoni, sordidum, vulgare, 434
Armadilloniscus, ellipticus, tuber-
culatus, 431

Armature, of Oplophorus, 244; of
claw and pleon in Squilla, 282;
of carapace in female Cumacea,
294; of species of Arcturus, 370
Arms, Miss J. M., on the crusta-
cean labium, 40; on the telson
of Porcellana, 47; on the gait
of a crab, 58

Artemia, the brine-shrimp, a Phyl-
lopod, 14

Arthrobranchiæ, 134
Arthropoda, definition of, 2;
classes of, 3

Asaphus tyrannus, a large trilo-
bite, 27

Ascension Island, land-crabs at, 14
Asellidæ defined, 376; notes by
Bovallius on, 377
Asellopsis preoccupied, 377
Asellota defined, 376

Asellus, 375; aquaticus, 13, 23,
377; communis, coxalis, 377
Aspidophryxus, peltatus, Sarsi,
399; Sarsi, parasitic Copepod
on, 400

Astacidæ, discarded as a family
name, 201

Astacidea defined, 199
Astacilla, 370; Cordiner's original
account of, 371; damnoniensis,
Deshayesii, dilatata, gracilis,
granulata, intermedia, longi-
cornis, 371; marionis, 372
Astacoides madagascariensis, 209
Astacopsis serratus, large Austra-
lian crayfish, 28, 210

Astacus, misuse of name, 201;
right use reasserted, 203; gam-
marus, americanus, 203
Astrurus crucicauda, 381

BAT

441

Atattut, name of cocoanut crab
in Amboina, 158
Atelecyclus, heterodon, septem-
dentatus, 75

Athanas nitescens, 232
Athelgue, alias Athelgus, Athelges,
409; guitarra, paguri, Prideauxii,
409; Cardonæ, cladophora, in-
termedia, lorifera, 410
Atya, remarkable hands of, 240;
bisulcata, scabra, serrata, sul-
catipes, 240
Atyephyra, 241
Atyidæ defined, 239
Atyoida, 240

Atys preoccupied, 240
Auditory apparatus, in first an-
tennæ of Macrura, 36; in uro-
pods of Mysidæ, 37; in Bra-
chyura, 52

Audouin, Savigny's plates de-
scribed by, 173; on Tylos La-
treillii, 424

Aurivillius, Dr. C. W. S., on the
manners and customs of the
Oxyrrhyncha, 113, 114; on the
associates of hermit-crabs, 168;
on glands in Eupagurus, 169
Autonomoa, classification of, 253;
Olivii, glaber, 253
Axiidæ defined, 187

Axius, 187; glyptocerus, 188;
stirynchus, 187

BACON, Lord, natural knowledge
in, 5
Bænosome, alias trunk, peræon, 45
Bait for Crustaceans, 21
Balanoglossus, position of, 2
Balanus, improvisus in fresh water,

17; psittacus of great size, 31
Barrois, Dr. Th., on Ozius Ed-
wardsi, 63; on catching crabs,
94; Syrian woodlice collected
by, 427

Barybrotidæ defined, 347
Barybrotes, agilis, Indus, 347
Basis, alias basipodite, second
joint, 43

Bate, Mr. Spence, on ear-cavity

BAT

of lobster, 36; on the telson,
46; on young Pagurids, 164;
on subdivision of Macrura, 180;
on sensory and respiratory ap-
paratus, 181; on the petasma,
215; on classification of the
Schizopoda, 223; on uniform
nomenclature, 255

Bate and Westwood, on Tanais
and Apseudes, 329; on the
Valvifera, 369

Bathymetrical distribution, 18
Bathynectes, longispina, superbus,
70; longipes, 71

Bathynomus giganteus, 29; eyes
and branchiæ of, 344

Bathyplax, 93; typhlus, oculiferus,
103

Bathytanais, 324
Bathytropa, 429

Beddard, Mr. F. E., report on the
Challenger' Isopoda by, 357;
on eyes of Serolidæ, 359
Bell, Thomas, on telson of prawn,
46; on the genus Cancer, 57;
on Vaughan Thompson, 59; on
Milne-Edwards, 60; on Portum-
nus and Platyonichus, 67
Bellia, 72

Bellon, Rondelet's criticism of, 281
Belt, Mr. T., on wide range of

freshwater species, 23

Beneden, M. P. J. van, finds Nau-
plius of Cerataspis, 220
Benedict, Mr. J., on the genus
Panopeus, 56

Bentheocaris exuens, an abyssal
species, 245

Benthesicymus, deep range of, 19;
pleocanthus, 219; eyestalk of,
220

Bentheuphausia amblyops, 264
subdivided sixth

Benthocetes,

joint in, 219
Benthonectes, subdivided seventh
joint in, 219

Betæus, 232; æquimanus, malleo-
digitus, microstylus, 233
Beurs-Krabbe, name explained,
158

Birgus the cocoa-nut crab, de-

BRA

scribed, 156; its names in va-
rious languages, 158; its specific
name latro originally belonging
to Pagurus, 159

Bithynis, a synonym of Palæmon,
246

'Blake,' U.S.S., giant isopod found
by, 29; Pylocheles Agassizii,
taken by, 160
Blepharis, 181

Boas, Dr. J. E. V., on the first an-
tennæ, 36, 37; on the position
of the vulvæ, 139; the euky-
phota of, 224; on the order
Squillacea,' 278; on the legs.
of the Isopoda, 316

Boddam-Whetham, Mr. J. W., on.
cocoanut crabs, 157
Bodotria arenosa, 302

Boeck, Axel, numbering of leg-
joints by, 43

Bondaroy, Fougeroux de, on Bo--
pyri, 392

Bonnier, M. Jules, on parasites of
Macrura anomala, 174; his key
to species of Galathea, 175: on
Uroptychus rubrovittatus, 178
Bopyri, allusion to, 13, 128, 174
Bopyridæ defined, 408
Bopyrina, hippolytes, nitescens,.
ocellata, virbii, 416
Bopyroides, acutimarginatus, 417
Bopyrus, Fougerouxi, Helleri, pa-
læmonis, Rathkei, squillarum,.
treillianus, xiphias, 415; (?)
alphei, 416
Boreomysis obtusata, deep range
of, 19; arctica, scyphops, 268;
range and size of, 269
Boreophausia, synonym of Rhoda,
inermis, Jardineana, Raschii,
263

Bosc, L. A. G., legend accepted
by, 25; on crabs in Carolina,

91
Bovallius, Dr. C., on Thranites,
70; on Glossobius, 354; on Asel-
lidæ, 377

Brachycarpus, 247

Brachyura, the suborder, 8; de--
fined, 51; subdivisions of, 53, 54-

443

BRA

Brady, Dr. G. S., on Ostracoda, 31
Brain, the, 33, 48, 299
Branchiæ, 4, 45; in Ocypode, 87;
Sesarma, 97; distinguishing
names of, 134; in Thalassina,
182; wanting in Mysidæ, 267;
of the Squillidæ, 279; of the
Cumacea, 296; in Bathynomus,
344; in Tylos, 423; in Helleria,
425
Branchiopoda, order of Entomos-
traca, 9

Branchiura, sub-order of Branchio-
poda, 10

Breathing apparatus, of Gnatho-
phausia, 259; of Cumacea, 295;
of cheliferous isopods, 318, 320;
of Epicaridea, 394
Bregmocerella, synonym of Cerato-
cephalus, tricornis, 365
Brongniartia, synonym of Serolis,
trilobitoides, 357

Brook, Mr. G., on larval Euphau-
siidæ, 265

on

Brooks, Professor W. K., on range
of Squillidæ, 19, 280; develop-
ment of Penæus, 217;
characters of Squillidæ, 281;
on larval Squillidæ, 288
Browne, Patrick, on West Indian
land-crabs, 80, 83; on the Turtle-
Crab, 95; Oyster-crab, 101:
Mamma Shrimp, 145; Mother
Lobster, 192

Budde-Lund, G., on the terrestrial
Isopoda, 421, 423-426, &c.
Bullar, Mr. J. F., on alternating
sexes in Cymothoidæ, 350
Burrowing crustaceans, Chelura
terebrans, 17; American Lady-
Crab, 67; the Masked Crab, 73;
Thia residuus, 75; American
fiddler-crabs, 90, 91; Sesarma,
97; the mole-like Hippa, 150;
Callianassa, 183; Upogebia, 185;
Cambarus, 208; Squillidæ, 280;
Lysiosquilla, 285; Limnoria lig-
norum, 367

Bythocaris, 234; leucopis, nana,
Panschii, Payeri, simplicirostris,
237

Calappa, depressa, gallus, granu-
lata, 124

Calappidæ defined, 123
Calathura, 332

Callianassa, branchiæ of, 180;
early description of, 183; lati-
cauda, Stimpsoni, subterranea,
183
Callianassidæ defined, 183
Callianidea, pleopods of, 184
Calliaxis adriatica, 187
Calling Crab, the, 89

Calocaris, larval form of, 186;
Macandreæ, habits of, 190
Calyptopis, larval stage of Eu-
phausiidæ, 266
Calyptura (preoccupied), carnea,
366

Cambaroides accepted as

ge-

nus, 208; dauricus, japonicus,
Schrenkii, 208

Cambarus, 207; alternating forms
of male in, 209; argillicola,
Bartonii, Diogenes, dubius, pel-
lucidus, 208

Campbell, Lord George, on land-
crabs, 94

Campecopea, hirsuta, mimicry by,
16, 363; Cranchii, 363
Camptoplax, 93

Campylaspidæ, 295, 313; defined,
306

Campylaspis, nodulosa, last legs

deficient in, 293; carinata, cos-
tata, rubicunda, 307
Cancer, great restriction of the
genus, 57; irroratus, pagurus,
58; borealis, 59; residuus, 75;
ruricola, 80; marmoratus, 94;
dormia, dormitator, 135; caninus,
raniformis, 143; crumenatus,