An Introduction to the Study of Zoology, Illustrated by the CrayfishAppleton, 1906 - 371 pagini |
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Pagina 32
... substance , as the bone of one of the higher animals grows . Hence it follows , that the enlargement of the body , which actually takes place , involves the shedding and reproduction of its invest- ment . This might be effected by ...
... substance , as the bone of one of the higher animals grows . Hence it follows , that the enlargement of the body , which actually takes place , involves the shedding and reproduction of its invest- ment . This might be effected by ...
Pagina 39
... substance is formed terminate . The fecundating material itself is a thickish fluid , which sets into a white solid after extru- sion . The male deposits this substance on the thorax of the female , between the bases of the hindermost ...
... substance is formed terminate . The fecundating material itself is a thickish fluid , which sets into a white solid after extru- sion . The male deposits this substance on the thorax of the female , between the bases of the hindermost ...
Pagina 42
... substance , which is , as it were , smeared over them and the hairs with which they are " Der Monat ich - herausgegeben Insecten Belustigung . " Dritter Theil , p . 336. 1755 . + Bell's " British Crustacea , " p . 249 . " Joannis ...
... substance , which is , as it were , smeared over them and the hairs with which they are " Der Monat ich - herausgegeben Insecten Belustigung . " Dritter Theil , p . 336. 1755 . + Bell's " British Crustacea , " p . 249 . " Joannis ...
Pagina 49
... substances , both animal and vegetable ; but , so far as they are competent to nourish the animal permanently , these matters all agree in containing a peculiar nitrogenous body , termed protein , under one of its many forms , such as ...
... substances , both animal and vegetable ; but , so far as they are competent to nourish the animal permanently , these matters all agree in containing a peculiar nitrogenous body , termed protein , under one of its many forms , such as ...
Pagina 57
... substance as that which gives rise to all the other bodily movements of the crayfish , namely , muscle . The chief muscles which move it are four very strong bundles of fibres . Two of these are attached to the front crosspiece , and ...
... substance as that which gives rise to all the other bodily movements of the crayfish , namely , muscle . The chief muscles which move it are four very strong bundles of fibres . Two of these are attached to the front crosspiece , and ...
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