INDEX 



673 



Collar of New England Toruaria, formation 



of, 577 

 Collar-cavities, formation of, in Actinotrocha 



larva of Phoronis, 381 

 'Collar-coelom, formation of, in New England 



Tomaria, 575 

 Collar-pores, formation of, in Actinotrocha 



larva of P/wronis, 381 ; in Nassau Tornaria, 



580 

 Collar-skeleton, formation of, in New England 



Tornaria, 579 

 Collembola, 245 

 Columella, formation of, in Caryophyllia 



cyathus, 88 

 Columnal plates, formation of, in larva of 



Antedon rosacea, 548, 550 

 Comb of cilia in Beroe, 94 ; in embryo of 



Patella, 296 



Comb of scorpion, formation of. 240, 241 

 Comparative embryology, definition of, 29 

 Comparison of Bipiunaria and Ophiopluteus 



larvae, 491, 492 ; of development of 



Ophiothrix and Asterias, 503, 504 ; of 



larvae of Ophiothrix fragilis and of 



Echinus escidentus, 511 

 Compound eye in Insecta, 286 ; in Trilobita, 



Crustacea, Arachnida, 286 ; development 



of, in A stacus, 184 ; in Dysticusmarginalis, 



274-277 



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 Cynthia 



partita, 611 

 Copulatory spicules of A scaris megalocephala, 



438 



Coral, formation of, 87, 88 

 Cordylophora, development of gouophore of, 



62 

 Corueal fold, formation of in eye of Loligo, 



363, 367 



Corneal lens of eye of Astacus, 189 

 Corona in larva of Bugula, 395 ; in larva of 



Cyclostomata, 395 ; in larva of Lepralia, 



395 ; in larva of Membranipora, 390 ; in 



embryo of PedicMina, 400 ; in larva of 



Phylactolaemata, 395 

 Corpus epitheliale, formation of, in- Cephalo- 



pod eye, 367 



Corrosive sublimate, use of, 33 

 Cotylorhiza, development of, 73 

 Couples of mesenteries of Urticina crassi- 



coniis, 80 

 Coxal gland, formation of, of Agelena, 229- 



230 ; in Limulus, 236 ; in Scorpion, 241 

 Cruiif/on, larva of, 215 

 Crania, 414 

 Crepiil/ula, 291, 323 ; segmentation of egg 



of, 321 



Crepidula plana, eggs of, 10, 11 

 VOL. I 



Gribrella, 484, 656 ; development of, 481 



Cribrella oculata, 457, 459 



Crinoidea, 450, 523. 561, 562, 563, 564, 585, 



622 ; development of, 544-560 ; sperm of, 



used to cross-fertilize eggs of sea-urchins, 



17 



Criodrilus, 147, 162 



Ci-iinlriliis locniiin, development of, 157, 159 

 Cross-furrow in the egg of Patella, 292 

 Crural glands, formation of, in Peripatus 



capensis, 175 

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



development of, 177-220 

 Crystalline cone, formation of, in compound 



eye of Astacus, 189 ; in compound eye of 



Jjytiscus, 276 

 Crystalline sac, formation of, in Dreissensia, 



340 

 Crystalline style, formation of, in Dreissensia, 



340 

 Cteuophora, 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 Patella, 



296 



Ctenoplana, 115 

 Ctenostomata, 380, 394 

 Cucttmaria, 547 



Cucumaria planci, 529, 534, 535 ; develop- 

 ment of, 541 



Cucumaria saxicola, 530, 543, 544 

 Culicidae, 278 

 Cumacea, 177, 219 

 Cumulus primitivus in embryoof Scolopendra, 



282 



Cuticle of Peripatus capensis, 176 

 Cyathozooid embryo of Pyrosoma, 635, 640 

 Cydas, 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 

 Cyphonautes, larva of Membranipora, 401, 



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



387 



Cystoidea, 456 

 Cytotaxis, causing iuvagination in Echin- 



oidea, 527 ; in Polygardius, 139 



Decapoda (Crustacea), 177, 185, 203, 208, 



218, 219, 286 



Dehydration, definition of, 32 

 Delamination in Geryonidae, 67 

 Delobrauchiata, 221 



Demospongiae, 37 ; development of, 43-46 

 Dendrocoela, 102, 103 

 Dentalmm, 373, 375 ; development of, 325- 



329 

 Dental pockets, formation of, in larva of 



Echinus escidentus, 515 



2x 



