An Introduction to the Study of Zoology, Illustrated by the CrayfishAppleton, 1906 - 371 pagini |
Din interiorul cărții
Rezultatele 1 - 5 din 41
Pagina 12
... modified to suit our knowledge of the thing as an aquatic animal . Now " crevis " is clearly one of two things . Either it is a modification of the French name " écrevisse , " or of the Low Dutch name " crevik , " by which the crayfish ...
... modified to suit our knowledge of the thing as an aquatic animal . Now " crevis " is clearly one of two things . Either it is a modification of the French name " écrevisse , " or of the Low Dutch name " crevik , " by which the crayfish ...
Pagina 78
... modified and has given off a large folded lamina from its inner and posterior face . The branchia now described are arranged in sets of three for each of the thoracic limbs , from the third maxillipede to the last but one ambulatory ...
... modified and has given off a large folded lamina from its inner and posterior face . The branchia now described are arranged in sets of three for each of the thoracic limbs , from the third maxillipede to the last but one ambulatory ...
Pagina 112
... modified by the amount and the condition of the blood supplied . On the other hand , a certain number of these stimuli are doubtless originated by changes within the various organs which compose the body , including the nerve centres ...
... modified by the amount and the condition of the blood supplied . On the other hand , a certain number of these stimuli are doubtless originated by changes within the various organs which compose the body , including the nerve centres ...
Pagina 119
... modification of its substance between the facets . The outer contour of each facet forms part C a b b cr . sp . B d op Α 9 . FIG . 28. - Astacus fluviatilis . - A . a vertical section of the eye - stalk ( x 6 ) ; B , a small portion of ...
... modification of its substance between the facets . The outer contour of each facet forms part C a b b cr . sp . B d op Α 9 . FIG . 28. - Astacus fluviatilis . - A . a vertical section of the eye - stalk ( x 6 ) ; B , a small portion of ...
Pagina 122
... alterna- tive appears to be the adoption of a modification of the theory of mosaic vision , propounded many years by Johannes Müller . Each visual pyramid , isolated from its fellows by its 122 THE PHYSIOLOGY OF THE COMMON CRAYFISH .
... alterna- tive appears to be the adoption of a modification of the theory of mosaic vision , propounded many years by Johannes Müller . Each visual pyramid , isolated from its fellows by its 122 THE PHYSIOLOGY OF THE COMMON CRAYFISH .
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