An Introduction to the Study of Zoology, Illustrated by the CrayfishAppleton, 1906 - 371 pagini |
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Pagina 21
... 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.
... 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 38
... basal joint with the next . The other limbs also readily part at the joints ; and it is very common to meet with crayfish which have undergone such mutilation . But the injury thus inflicted is not permanent , as these animals possess ...
... basal joint with the next . The other limbs also readily part at the joints ; and it is very common to meet with crayfish which have undergone such mutilation . But the injury thus inflicted is not permanent , as these animals possess ...
Pagina 39
... basal joint of the hindermost pair of legs of the male a small aperture is to be seen ( fig . 3 , A ; vd ) . In these , the ducts of the apparatus in which the fecundating substance is formed terminate . The fecundating material itself ...
... basal joint of the hindermost pair of legs of the male a small aperture is to be seen ( fig . 3 , A ; vd ) . In these , the ducts of the apparatus in which the fecundating substance is formed terminate . The fecundating material itself ...
Pagina 75
... basal joints of the thoracic limbs , from the last but one to the second ( second maxillipede ) inclusively ( fig . 4 , p . 26 , pdb , and fig . 17 , A , B ) ; and eleven ( arthro- branchia ) are fixed to the flexible interarticular mem ...
... basal joints of the thoracic limbs , from the last but one to the second ( second maxillipede ) inclusively ( fig . 4 , p . 26 , pdb , and fig . 17 , A , B ) ; and eleven ( arthro- branchia ) are fixed to the flexible interarticular mem ...
Pagina 77
... basal joints of the legs , play the same part , but differ a good deal in the details of their structure from those which are fixed to the interarticular membranes . Each con- sists of a broad base ( fig . 17 , A and B ; b ) beset with ...
... basal joints of the legs , play the same part , but differ a good deal in the details of their structure from those which are fixed to the interarticular membranes . Each con- sists of a broad base ( fig . 17 , A and B ; b ) beset with ...
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