INDEX 



Gi > 

 /o 



Collar of New England Tornaria, formatioii 



of, 577 

 Collar-cavities, formation of, ill Actinotrocha 



larva of I'liorouis, 381 

 Collar-ooeloin, formation of, in New England 



Tornaria, 575 

 Collar-pores, formation of, in Actinotroeha 



larva of I'/wriihin, 381 ; in Nassau Tornaria, 



580 

 Collar-skeleton, formation of, in New England 



Tornaria, 579 

 Collembola, '245 

 Columella, formation of, in L'<(i'(/<~ij.>hylUa 



c//iif/iii.-i, 88 

 Columnal plates, formation of, in larva of 



Antci/ini ri'sucea, 548, 550 

 Comb of cilia in Beroe, 94 ; in embryo of 



J'ufcllii, 296 



Comb of scorpion, formation of. 240, 241 

 Comparative embryology, definition of, 29 

 Comparison of Bipinnaria and Ophiopluteus 



larvae, 491, 492 ; of development of 



n r li '<ntlir is and J.-Vir/cs, 503, 504 ; of 



larvae of Ojjliiof/iri.i- fruyilis and of 



Echinus esculeiitns, 511 

 Compound eye in Inseeta, 286 ; in Trilobita, 



Crustacea, Arachnida, 286 ; development 



of, uiAxtactt-s, 184 ; in Dyatii-nx mm-ijinaUs, 



271-277 



Conjugation, definition of, 2 

 Copepoda, 177, 185, 649, 651, 655, 662 ; 



ancestral origin of, 213 ; development of 



(formation of layers), 195 ; larval history 



of, 196-200, 206-208 



Copepodid larva of Adheres ambloplitis, com- 

 pared to normal Copepod, 206, 208 

 Copulation path of nucleus in egg of (Jynfliiii 



purlitu, 611 

 Copulatory spicules of A scar is megalocephala, 



438 



C'oral, formation of, 87, 88 

 Cordylophora, development of gonophore of, 



62 

 Corneal fold, formation of in eye of Zo//</, 



363, 367 



Corneal lens of eye of Astacus, 189 

 Corona in larva of llni/n/a, 395 ; in larva of 



Cyclostomata, 395 ; in larva of LeprIi<i, 



395 ; in larva of J//'//^/v /<//>'</<', 390 ; in 



embryo of Pedicellina, 400 ; in larva of 



Pliylactolaemata, 395 

 Corpus epitheliale, formation of, in Cephalo- 



jiod eye, 367 



Corrosive sublimate, use of, 33 

 <.'nt//Jni-]i!~n, development of, 73 

 Couples of mesenteries of Urticina croxxi- 



<"/// /X 80 

 Coxal gland, formation of, of Ai/eleita, 229- 



230 ; in Li in u! as, 236 ; in Scorpion, 2-11 

 Ci'itiii/uti, larva of, 215 

 Crania, 414 

 Crej/iilulH, 291, 323 ; segmentation of egg 



of, 321 

 Crepidula . plana, eggs of, 10, 11 



VOL. I 



Cribrella, 484, 656 ; development of, 481 



(.'rilnr//<i in'iiliitii, 4."i7, 459 



Crinoidea, 450, 523, 561, 5C2, 563, 564, 5s5, 



622 ; development of, 5 1 1-fiiiU ; sperm of, 



used to cross-fertilize eggs of sea-urchins, 



17 



Criodrilus, 147, 162 



('/jiit/i-i/iix l<t<-itiiiii, development of, 157, 159 

 Cross-furrow in the egg of I',ii,-Un, 292 

 Crural glands, formation of, in I'eripaliis 



<<// nsis, 175 

 Crustacea, 22, 169, 244, 254, 280, 286 ; 



development of, 177-220 

 Crystalline cone, formation of, in compound 



eye of A.xttx'ii.s, 189 ; in compound eye of 



Dytiscux, 276 

 Crystalline sac, formation of, in Dreissc*i<t, 



340 

 Crystalline style, formation of, in Dreisseiixio, 



340 

 Ctenophora, 53, 115, 116, 117, 126, 127, 



148, 164, 166, 167, 296, 309, 416, 529, 



561, 562, 659, 661 ; development of, 88-95 

 Ctenophore stage in the embryo of ]'<it<'II,i, 



296 



Cteniiji/iiiin, 115 

 Ctenostomata, 380, 394 

 Cucumaria, 547 



Qucumaria jitum-i, 529, 534, 535 ; develop- 

 ment of, 541 



Cucumaria xa.i.'icvla, 530, 543, 514 

 C'ulieidae, 278 

 Cumacea, 177, 219 

 Cumulus primiiivus in embryo of AV.i/iy/r mini, 



282 



Cuticle of I'l-i-ipfitux < /ifusis, 176 

 Cyathozooid cmViryo of Pyrosoma, 635, 640 

 Cyclas, 349; formation of pericardium of, 



350 

 Cyclops, 200, 201, 206; larval history of, 



196-200 



Cyclopsinidae, larvae of, 200 

 Cyclostomata (Polyzoa), 386 ; larva of, 395 : 



(Fish), 569, 662 



Cynthia partita, 631, 632, 645; develop- 

 ment of, 609-619 

 Cyphouautes, larva of Membranipora, 101, 



405, 406 ; hatching of, 389 ; rearing of, 



387 



( 'ystoidea, 456 

 Cytotaxis, causing imagination in Kcliin- 



oidea, 527 ; in Polygordius, 139 



Decapoda (Crustacea), 177, 1^.203,208, 



218. 219, 286 



Dehydration, definition of, 32 

 Delamination in Ceryonidae, 67 

 Delobranchiata, 221 



Demospoiigiae, 37 ; development ol, 13-46 

 Dendroeoe'la, In2, 103 

 Dentalium, ''>!'', 37"' : development nf, 325- 



329 

 Dental pnekets, toiiuation of. in larva of 



Ei-tiiiinx , nulentus, 515 



2x 



