An Introduction to the study of zoology, illustrated by the crayfishD. Appleton, 1901 - 371 pagini |
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Pagina xii
... APPENDAGES THE LAST THORACIC STERNUM IN THE MALE AND FEMALE • 136 142 · · 144 TRANSVERSE SECTION OF ABDOMEN 99 " " " " 38 . CONNECTION BETWEEN THORAX AND " " ABDOMEN 151 · 86 39 . " 9 99 CEPHALOTHORACIC STERNA AND EN- DOPHRAGMAL SYSTEM ...
... APPENDAGES THE LAST THORACIC STERNUM IN THE MALE AND FEMALE • 136 142 · · 144 TRANSVERSE SECTION OF ABDOMEN 99 " " " " 38 . CONNECTION BETWEEN THORAX AND " " ABDOMEN 151 · 86 39 . " 9 99 CEPHALOTHORACIC STERNA AND EN- DOPHRAGMAL SYSTEM ...
Pagina 6
... appendage ; XV , the first ; and xx , the last abdominal somite . In this and in succeeding figures the numbers of the somites are given in Roman , those of the appendages in ordinary numerals . The animals may be seen walking along the ...
... appendage ; XV , the first ; and xx , the last abdominal somite . In this and in succeeding figures the numbers of the somites are given in Roman , those of the appendages in ordinary numerals . The animals may be seen walking along the ...
Pagina 7
... appendage ; XV , the first ; and xx , the last abdominal somite . In this and in succeeding figures the numbers of the somites are given in Roman , those of the appendages in ordinary numerals . The animals may be seen walking along the ...
... appendage ; XV , the first ; and xx , the last abdominal somite . In this and in succeeding figures the numbers of the somites are given in Roman , those of the appendages in ordinary numerals . The animals may be seen walking along the ...
Pagina 7
... appendage ; XV , the first ; and xx , the last abdominal somite . In this and in succeeding figures the numbers of the somites are given in Roman , those of the appendages in ordinary numerals . The animals may be seen walking along the ...
... appendage ; XV , the first ; and xx , the last abdominal somite . In this and in succeeding figures the numbers of the somites are given in Roman , those of the appendages in ordinary numerals . The animals may be seen walking along the ...
Pagina 21
... appendages ; x . , XI . , XIV . , sterna of the fourth , fifth , and eighth thoracic somite ; XVI . , sternum of the second abdominal somite . In the male , the 9th to the 14th and the 16th to the 19th appendages are removed on the ...
... appendages ; x . , XI . , XIV . , sterna of the fourth , fifth , and eighth thoracic somite ; XVI . , sternum of the second abdominal somite . In the male , the 9th to the 14th and the 16th to the 19th appendages are removed on the ...
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