An Introduction to the Study of Zoology, Illustrated by the CrayfishAppleton, 1906 - 371 pagini |
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Pagina xii
... SEGMENT OF THE ENDOPHRAGMAL • SYSTEM LONGITUDINAL SECTION OF CEPHALO- 159 43 . " 99 " 9 THORAX . • • 162 44 . 99 99 " THE THIRD MAXILLIPEDE . · 164 FIG . 45. Astacus fluviatilis . THE FIRST AND SECOND xii LIST OF WOODCUTS .
... SEGMENT OF THE ENDOPHRAGMAL • SYSTEM LONGITUDINAL SECTION OF CEPHALO- 159 43 . " 99 " 9 THORAX . • • 162 44 . 99 99 " THE THIRD MAXILLIPEDE . · 164 FIG . 45. Astacus fluviatilis . THE FIRST AND SECOND xii LIST OF WOODCUTS .
Pagina 6
... maxillipede ; 10 , forceps ; 14 , last ambulatory leg ; 17 , third abdominal ap- pendage ; 20 , lateral lobe of the tail - fin , or sixth abdominal appendage ; XV , the first ; and xx , the last abdominal somite . In this and in ...
... maxillipede ; 10 , forceps ; 14 , last ambulatory leg ; 17 , third abdominal ap- pendage ; 20 , lateral lobe of the tail - fin , or sixth abdominal appendage ; XV , the first ; and xx , the last abdominal somite . In this and in ...
Pagina 21
... maxillipede ; 9 , third or external maxillipede ; 10 , forceps ; 11 , first leg ; 14 , fourth leg ; 15 , 16 , 19 , 20 , first , second , fifth , and sixth abdominal appendages ; X. , XI . , XIV . , sterna of the fourth , fifth , and ...
... maxillipede ; 9 , third or external maxillipede ; 10 , forceps ; 11 , first leg ; 14 , fourth leg ; 15 , 16 , 19 , 20 , first , second , fifth , and sixth abdominal appendages ; X. , XI . , XIV . , sterna of the fourth , fifth , and ...
Pagina 26
... maxillipede , in B the epipodite , to which the line points , is partly removed ; 8 , second maxillipede : 9 , third maxillipede ; 10 , forceps ; 14 , fourth ambulatory leg ; 15 , first abdominal appendage ; xv . , first , and xvI ...
... maxillipede , in B the epipodite , to which the line points , is partly removed ; 8 , second maxillipede : 9 , third maxillipede ; 10 , forceps ; 14 , fourth ambulatory leg ; 15 , first abdominal appendage ; xv . , first , and xvI ...
Pagina 62
... , right antennule ; 4 , left man- dible ; 9 , left external maxillipede ; 10. left forceps ; 15 , first , 16 , second , and 20 , sixth abdominal appendages of the left side . importance to recollect this distinction by - and - by.
... , right antennule ; 4 , left man- dible ; 9 , left external maxillipede ; 10. left forceps ; 15 , first , 16 , second , and 20 , sixth abdominal appendages of the left side . importance to recollect this distinction by - and - by.
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