384 



INDKX. 



seminal receptacle of, 'JO}; somite 

 of, 182; sternal plastron of, 171, 174, 

 183; sternum of, 173, 184; stomach 

 of, 190, 200; stomach of Zoca. 20! I; 

 telson of Megalops, 21? ; telson of 

 Zoea, 207, 214; terguni of, 17-5; tc>ti> 

 of, 205; thoracic ganglia of, 20(i; 

 vas defereus of, 177, 205; Zoea of, 

 207. 



Cranium of Squid, 348. 



Crayfish, hard parts of, xix (see Lob- 

 ster). 



Crop of Earthworm, 145, 159 ; of Gra->- 

 hoppcr, 261 ; of Vorticella, 18. 



Cuticle of Earthworm, 152, 159; of 

 Paramceciurn, 9; of Vorticella, 17. 



Cyclas, gill of, 297. 



Cyclops, xxii. : abdomen of, 225, '2'2\, 

 230; antenna of, 225, 227, 230; an- 

 tenna of Nauplins, 23."; appendage* 

 of, 227 ; appendages of Xauplins 236 ; 

 carapace, 225 ; cephalothorax, 225 ; 

 digestive organs, 228; digeMive 

 organs of Xanplius 236 ; discharging 

 bodies of Spermatophore, 232 ; eye of, 

 225; fertilization of egg, 231; la- 

 brum of, 226; lahnim of Xauplius 

 234; male, structure of, 230; inau- 

 dible of, 227 ; maxilla of, 227; meta- 

 morphosis, xxii; metastoma of, 2'3> ; 

 mouth of, 226; Xauplius stage, 231; 

 ovary of, 229; oviduct of, 228,229; 

 ovisac of, 22(>; reproductive organs 

 of female, 228 ; reproductive organs 

 of male, 230; rostrum of, 225; seta- 

 of, 226; shell gland of, 220; sporma- 

 theca of, 229; spermatic duct of, 229; 

 spermatophore of, 232; spermatozoa 

 of, 233 ; style of, 226 ; testis of, 2:50 ; 

 thoracic appendages of, 228; thoracic 

 somites of, 225 : vas defercns of, 230. 



Cyst of Vorticella, 22. 



Dactylopodite, 176. 



Development of Echinodcrms, xiv; 

 of Hydro Medusa, viii. ; of Crab, xxi. ; 

 of Lamellibranchs, xviii. ; of Sea 

 Urchin, 126; of Squid, xxv. 



Digestive organs of Anodonta, 284 ; of 

 Crab, 199; of Cydopt, 228, 236; of 

 Earthworm, 143, 158; of Grasshop- 

 per, 259; of Leech, 163; of Paramee- 

 cium, 10 ; of Plutcus, 111, 114 ; of Sea 

 Urchin, 92, '.K5, !)l ; of Squid, 345; of 

 StarhMi, 63, 7-"' ; of Vorticella, 18. 



Dip net, use of, 37. 



Dipping tube, use of, 3. 



Direction cell of Lamellibranchs, 319; 

 direction cell of Sea Urchin, 104. 



Discharging bodies of spermatophore in 

 Cyclops, 232. 



Dorsal spine of Zoea, 208; dorsal sur- 

 face of Crab, 169; dorsal vessel of 

 Earthworm, 145; dorsal vessel of 

 Grasshopper, 258. 



Ear of Anodonta, 281 ; of Crab, 182, 

 206, 221; of Grasshopper, 264; of 

 Lobster, 190, 223; of Squid, 363, 

 368, 372. 



Earthworm, xv., xvi. : blood of, 1 12 ; 

 blood vessels of, 143, 145; cere- 

 bral ganglia, 146; ciliated funnel, 

 14S; crop of, 145, 159; cuticle of, 

 152, 159; digestive organs of, 143, 

 158; gizzard of, 145, 159; hepatic 

 glands of, 145, 15!); hypc>derinis of, 

 154; integument of, 152; intestine of, 

 145, 159; microscopic structure, xvi. ; 

 muscles of, 143, 1.V2, 151,156; ner- 

 vous system of, 146, 148, 157; oesoph- 

 agus of, 144, 159; ovary of, 152; ovi- 

 duct of, 152; perivisceral thud of, 

 143; pharynx of, 143, 158; repro- 

 ductive organs of, 149 ; segincntal 

 organs of, 148, 149; seminal recepta- 

 cle of, 151 ; seminal vesicle of, 149; 

 setae of, 157; setigerons gland of, 

 152; testis of, 144, 149; tubular 

 band of, 158 ; vas dcferens of, 

 150. 



Echinoderms, embryology and meta- 

 mprphosis of, xiv. 



Ectoderm of Hydro Medusa, 46, 48; 

 of 'Lamelhbrauch, 322; of Sea 

 Urchin, 108. 



