An Introduction to the study of zoology, illustrated by the crayfishD. Appleton, 1901 - 371 pagini |
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Pagina 3
... called Natural History , from whence there is but a step to that which used to be termed Natural Philosophy , and now passes by the name of Physical Science . In this final stage of knowledge , the phenomena of nature are regarded as ...
... called Natural History , from whence there is but a step to that which used to be termed Natural Philosophy , and now passes by the name of Physical Science . In this final stage of knowledge , the phenomena of nature are regarded as ...
Pagina 12
... , we should not have called a crayfish , a crayfish , except for the Norman conquest . On the other hand , if " crevik " is the source of our THE TECHNICAL NAME OF THE CRAYFISH . 13 word , 12 THE NATURAL HISTORY OF THE COMMON CRAYFISH .
... , we should not have called a crayfish , a crayfish , except for the Norman conquest . On the other hand , if " crevik " is the source of our THE TECHNICAL NAME OF THE CRAYFISH . 13 word , 12 THE NATURAL HISTORY OF THE COMMON CRAYFISH .
Pagina 13
... called the crayfish , in their Latin , Astacus fluviatilis , or the " river - lobster , " by way of distinction ; and this nomenclature was re- tained unfil , about forty - five years ago , an eminent French Naturalist , M. Milne ...
... called the crayfish , in their Latin , Astacus fluviatilis , or the " river - lobster , " by way of distinction ; and this nomenclature was re- tained unfil , about forty - five years ago , an eminent French Naturalist , M. Milne ...
Pagina 13
... , we should not have called a crayfish , a crayfish , except for the Norman conquest . On the other hand , if " crevik " is the source of our THE TECHNICAL NAME OF THE CRAYFISH . 13 word , 12 THE NATURAL HISTORY OF THE COMMON CRAYFISH .
... , we should not have called a crayfish , a crayfish , except for the Norman conquest . On the other hand , if " crevik " is the source of our THE TECHNICAL NAME OF THE CRAYFISH . 13 word , 12 THE NATURAL HISTORY OF THE COMMON CRAYFISH .
Pagina 13
... called the crayfish , in their Latin , Astacus fluviatilis , or the " river - lobster , " by way of distinction ; and this nomenclature was re- tained until , about forty - five years ago , an eminent French Naturalist , M. Milne ...
... called the crayfish , in their Latin , Astacus fluviatilis , or the " river - lobster , " by way of distinction ; and this nomenclature was re- tained until , about forty - five years ago , an eminent French Naturalist , M. Milne ...
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