An Introduction to the study of zoology, illustrated by the crayfishD. Appleton, 1901 - 371 pagini |
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Pagina ix
... TO SUR- ROUNDING CONDITIONS AND REPRODUCES ITSELF • CHAPTER IV . THE MORPHOLOGY OF THE COMMON CRAYFISH . THE STRUCTURE AND THE DEVELOPMENT OF THE INDIVIDUAL · PAGE xi 46 87 137 CHAPTER V. THE COMPARATIVE MORPHOLOGY OF THE CRAYFISH . THE.
... TO SUR- ROUNDING CONDITIONS AND REPRODUCES ITSELF • CHAPTER IV . THE MORPHOLOGY OF THE COMMON CRAYFISH . THE STRUCTURE AND THE DEVELOPMENT OF THE INDIVIDUAL · PAGE xi 46 87 137 CHAPTER V. THE COMPARATIVE MORPHOLOGY OF THE CRAYFISH . THE.
Pagina xi
... STRUCTURE OF THE STOMACH LONGITUDINAL SECTION OF THE STO- MACH ROOF OF THE STOMACH , FROM WITHIN DISSECTION FROM THE SIDE ( MALE ) . ALIMENTARY CANAL FROM ABOVE BLOOD CORPUSCLES 56 60 62 · 65 · · • · 68 70 · 72 76 83 TRANSVERSE SECTION ...
... STRUCTURE OF THE STOMACH LONGITUDINAL SECTION OF THE STO- MACH ROOF OF THE STOMACH , FROM WITHIN DISSECTION FROM THE SIDE ( MALE ) . ALIMENTARY CANAL FROM ABOVE BLOOD CORPUSCLES 56 60 62 · 65 · · • · 68 70 · 72 76 83 TRANSVERSE SECTION ...
Pagina xii
... STRUCTURE OF OVARY . 131 33 . 9 " " " " 34 . 99 99 99 STRUCTURE OF TESTIS SPERMATOZOA 132 • · · · 134 35 . 99 " " 36 . 99 " " " " 37 . ABDOMINAL APPENDAGES THE LAST THORACIC STERNUM IN THE MALE AND FEMALE • 136 142 · · 144 TRANSVERSE ...
... STRUCTURE OF OVARY . 131 33 . 9 " " " " 34 . 99 99 99 STRUCTURE OF TESTIS SPERMATOZOA 132 • · · · 134 35 . 99 " " 36 . 99 " " " " 37 . ABDOMINAL APPENDAGES THE LAST THORACIC STERNUM IN THE MALE AND FEMALE • 136 142 · · 144 TRANSVERSE ...
Pagina 27
... structure of the crayfish , there are some points which cannot escape notice , how- ever rough the process of examination may be . Thus , when the carapace is removed in a crayfish which has been just killed , the heart is seen still ...
... structure of the crayfish , there are some points which cannot escape notice , how- ever rough the process of examination may be . Thus , when the carapace is removed in a crayfish which has been just killed , the heart is seen still ...
Pagina 46
... structure of the animal , not only when adult , but at different stages of its growth ? Secondly , what are the various actions of which it is capable ? Thirdly , where is it found ? If we carry our investigations further , in such a ...
... structure of the animal , not only when adult , but at different stages of its growth ? Secondly , what are the various actions of which it is capable ? Thirdly , where is it found ? If we carry our investigations further , in such a ...
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