An Introduction to the Study of Zoology, Illustrated by the CrayfishAppleton, 1906 - 371 pagini |
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Pagina xiii
... SOMITE , COMPARATIVE VIEWS OF THE FIRST AND SECOND ABDOMINAL APPEN- DAGES OF THE MALE • • 245 · 63. Cambarus Clarkii · 248 99 64. Parastacus brasiliensis . 250 99 65. Astacoides madagascarensis 251 " 9 66. DIAGRAM OF THE MORPHOLOGICAL ...
... SOMITE , COMPARATIVE VIEWS OF THE FIRST AND SECOND ABDOMINAL APPEN- DAGES OF THE MALE • • 245 · 63. Cambarus Clarkii · 248 99 64. Parastacus brasiliensis . 250 99 65. Astacoides madagascarensis 251 " 9 66. DIAGRAM OF THE MORPHOLOGICAL ...
Pagina 5
... ; but the gills and the abdominal appendages present differences ; and the last thoracic somite is united with the rest in the lobster . ( See Chap . V. ) 66 cray- general hue may be red or blue . COMMON KNOWLEDGE OF THE CRAYFISH .
... ; but the gills and the abdominal appendages present differences ; and the last thoracic somite is united with the rest in the lobster . ( See Chap . V. ) 66 cray- general hue may be red or blue . COMMON KNOWLEDGE OF THE CRAYFISH .
Pagina 6
... somite . In this and in succeeding figures the numbers of the somites are given in Roman , those of the appendages in ordinary numerals . The animals may be seen walking along the bottom of the shallow waters which they prefer , by ...
... somite . In this and in succeeding figures the numbers of the somites are given in Roman , those of the appendages in ordinary numerals . The animals may be seen walking along the bottom of the shallow waters which they prefer , by ...
Pagina 21
... somite ; XVI . , sternum of the second abdominal somite . In the male , the 9th to the 14th and the 16th to the 19th appendages are removed on the animal's left side : in the female , the antenna ( with the exception of its basal joint ) ...
... somite ; XVI . , sternum of the second abdominal somite . In the male , the 9th to the 14th and the 16th to the 19th appendages are removed on the animal's left side : in the female , the antenna ( with the exception of its basal joint ) ...
Pagina 26
... somite ; arb . 8 , arb . 9 , arb . 13 , the posterior arthrobranchiæ of the second and third maxillipedes and of the third ambulatory leg ; arb ' . 9 , arb ' . 13 , the anterior arthrobranchiæ of the third maxillipede and of the third ...
... somite ; arb . 8 , arb . 9 , arb . 13 , the posterior arthrobranchiæ of the second and third maxillipedes and of the third ambulatory leg ; arb ' . 9 , arb ' . 13 , the anterior arthrobranchiæ of the third maxillipede and of the third ...
Alte ediții - Afișează-le pe toate
An Introduction to the Study of Zoology, Illustrated by the Crayfish Thomas Henry Huxley Vizualizare completă - 1895 |
An Introduction to the Study of Zoology, Illustrated by the Crayfish Thomas Henry Huxley Vizualizare completă - 1902 |
Termeni și expresii frecvente
abdomen abdominal appendages abdominal somites ambulatory limbs Amurland animals antenna antennule aperture appears artery arthrobranchiæ Astacine Astacus fluviatilis Astacus torrentium attached basal joint blastomeres blood body branchiæ branchial cavity carapace cardiac cavity cephalothorax cervical groove chelate chitinous corpuscles coxopodite cray Crustacea cuticle cuticular division ecdysis Écrevisses edge endopodite English crayfish epiblast epipodite exopodite exoskeleton eye-stalk fact female filaments fluviatilis.-A forceps front ganglia ganglion gastrolith gills give rise green gland hind-gut hinder hypoblast Illustrations inner integument lateral leptodactylus less lobster longitudinal male mid-gut middle modified morphological muscle muscular nerve fibres nobilis noble crayfish nucleated cells nuclei organs ossicle outer pairs plate pleura podobranchiæ portion posterior prawns present region ridge rostrum segments septal lines setæ side somite species spermatozoa spines sternal sternum stomach structure substance surface swimmerets telson tergal tergum terminal thoracic thoracic limbs thoracic somite tissue transverse wall yelk zone