An Introduction to the Study of Zoology, Illustrated by the CrayfishAppleton, 1906 - 371 pagini |
Din interiorul cărții
Rezultatele 1 - 5 din 46
Pagina 8
... attached to the under face of the first two rings of the tail , which are turned forwards between the hinder legs , on the under side of the body ( fig . 3 , A ; 15 , 16 ) . In the female , there are mere soft filaments in the place of ...
... attached to the under face of the first two rings of the tail , which are turned forwards between the hinder legs , on the under side of the body ( fig . 3 , A ; 15 , 16 ) . In the female , there are mere soft filaments in the place of ...
Pagina 10
... attached be- neath the tail , and look like a mass of minute berries ( fig . 3 , B ) . In May or June , these eggs are hatched , and give rise to minute young , which are sometimes to be found attached beneath the tail of the mother ...
... attached be- neath the tail , and look like a mass of minute berries ( fig . 3 , B ) . In May or June , these eggs are hatched , and give rise to minute young , which are sometimes to be found attached beneath the tail of the mother ...
Pagina 20
... Attached to the sternal side of every ring of the abdomen of the female there is a pair of limbs , called swimmerets . In the five anterior rings , these are small and slender ( fig . 3 , B ; 15 , 19 ) ; but those of the sixth ring are ...
... Attached to the sternal side of every ring of the abdomen of the female there is a pair of limbs , called swimmerets . In the five anterior rings , these are small and slender ( fig . 3 , B ; 15 , 19 ) ; but those of the sixth ring are ...
Pagina 21
... exception of its basal joint ) and the 5th to the 14th appendages on the animal's right are removed ; the eggs also are shown attached to the swimmerets of the left side of the body . be chelate . The two hindermost pairs , on the. xi.
... exception of its basal joint ) and the 5th to the 14th appendages on the animal's right are removed ; the eggs also are shown attached to the swimmerets of the left side of the body . be chelate . The two hindermost pairs , on the. xi.
Pagina 32
... attached under the abdomen , only two inches long , and therefore , probably , in her second year . The males are commonly larger than females of the same age . The hard skeleton of a crayfish , once formed , is incapable of being ...
... attached under the abdomen , only two inches long , and therefore , probably , in her second year . The males are commonly larger than females of the same age . The hard skeleton of a crayfish , once formed , is incapable of being ...
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