An Introduction to the study of zoology, illustrated by the crayfishD. Appleton, 1901 - 371 pagini |
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Pagina 13
... close general similarity between the lobster and the crayfish ; but , as the latter lives in fresh water , while the former is a marine animal , they called the crayfish , in their Latin , Astacus fluviatilis , or the " river - lobster ...
... close general similarity between the lobster and the crayfish ; but , as the latter lives in fresh water , while the former is a marine animal , they called the crayfish , in their Latin , Astacus fluviatilis , or the " river - lobster ...
Pagina 13
... close general similarity between the lobster and the crayfish ; but , as the latter lives in fresh water , while the former is a marine animal , they called the crayfish , in their Latin , Astacus fluviatilis , or the " river - lobster ...
... close general similarity between the lobster and the crayfish ; but , as the latter lives in fresh water , while the former is a marine animal , they called the crayfish , in their Latin , Astacus fluviatilis , or the " river - lobster ...
Pagina 13
... close general similarity between the lobster and the crayfish ; but , as the latter lives in fresh water , while the former is a marine animal , they called the crayfish , in their Latin , Astacus fluviatilis , or the " river - lobster ...
... close general similarity between the lobster and the crayfish ; but , as the latter lives in fresh water , while the former is a marine animal , they called the crayfish , in their Latin , Astacus fluviatilis , or the " river - lobster ...
Pagina 15
... close relation , and the other their separate individuality -as John Smith , James Smith , Peter Smith , William Smith , & c . The same thing is done in Zoology ; only , in accordance with the genius of the Latin language , we put the ...
... close relation , and the other their separate individuality -as John Smith , James Smith , Peter Smith , William Smith , & c . The same thing is done in Zoology ; only , in accordance with the genius of the Latin language , we put the ...
Pagina 23
... close general resemblance to the hinder thoracic legs ; and hence , for distinction's sake , they are called outer foot- jaws , or external maxillipedes . If the head of a stout pin is pushed between these external maxillipedes , it ...
... close general resemblance to the hinder thoracic legs ; and hence , for distinction's sake , they are called outer foot- jaws , or external maxillipedes . If the head of a stout pin is pushed between these external maxillipedes , it ...
Termeni și expresii frecvente
abdomen abdominal appendages abdominal somite acid alimentary ambulatory limbs animals antenna antennule aperture appears artery arthrobranchiæ Astacine attached basal joint base become blastomeres blood body branchiæ branchial cavity branchial chamber branchial filaments branchiostegite canal carapace cephalic cephalothorax cervical groove chitinous convex corpuscles coxopodite crayfish Crustacea cuticle cuticular division ecdysis ectoderm ectostracum edge endopodite endosternites epiblast epimeral epipodite exopodite exoskeleton external fact fibres food-yelk forceps front ganglion gastrolith gills gives rise green gland hind-gut hypoblast inner lamina lateral less lobes lobster longitudinal male mandibles maxillipede membrane metameres morphological muscles muscular Nauplius nerve nobilis nucleated cells nuclei organs outer ovum pairs plate pleura podobranchiæ portion posterior present procephalic protopodite region ridge rostrum scaphognathite segments seta setæ side somite species spines stem sternal sternum stomach structure substance surface telson tergal tergum terminal thoracic thoracic limbs thoracic somite tissue transverse wall yelk