712 



IND^X 



Coluridae, 242. 



colurus (Monura), 242. 



Comactinia, G23. 



Comasteridae, 622. 



Comatula, 622. 



Combs, in ctenophores, 150 ; 



in scorpions, 405. 

 Commercial sponges, 84. 

 commissuralis (Obelia), 



113. 

 Common star, 631. 

 communis (Asellus), 377. 

 communis (Chorioptes), 



440. 

 communis (Diplocardia), 



311. 

 communis (Lycosa), 433. 

 c(»npacta (Suberites), 79. 

 complanata (Alasmidonta), 



582. 

 complanata (Glossiphonia), 



318. 

 complanatus (Unio), 583. 

 Complementary male (in 



Cirripedia),358. 

 Compound eye, 324. 

 compressa (Ampelisca), 



368. 

 compressum (Gleno- 



dinium), 41. 

 compressum (Pisidium), 



587. 

 concava (Circinaria), 523. 

 concava (Kcenikea), 452. 

 concentrica (Neoliodes), 



443. 

 concharum (Cirolana), 374. 

 concharum (Polydora), 



293. 

 conchicola (Aspido- 



gaster) , 179. 

 Conchifera, 567. 

 Conchodenna, 361. 

 Conchoecia, 358. 

 Conchs, 548, 559. 

 concinna (Porella), 258. 

 Condylostoma, 59. 

 confoederata (Salpa), 662. 

 Congeria, 584. 

 conica (Creseis), 499. 

 conica (Cyqlosa), 425. 

 conicum (Paramphisto- 



raura), 182. 

 Conidae, 561. 

 Conjugation, 12. 

 conklini (Dinophilus), 280. 

 Conochilus, 234. 

 conradi (Thiacia), 601. 

 vonni}rrsa ((Jraphosa), 419. 

 constellatuni (Amarou- 



ciuni),670. 

 constricta (Difllugia), 17. 



contectoides (Vivipara), 



544. 

 contorta (Astasia), 33. 

 contracta (Corbula), 595. 

 Contractile vacuole, 12. 

 Conus, 561. 

 convallaria (Vorticella), 



65. 

 convexa (Callocardia), 591. 

 convexa (Crepidula), 539. 

 convexus (Cylisticus), 379. 

 Convolutidae, 159. 

 Copepoda, 339. 

 Copeus, 238. 

 cophocerca (Oikopleura) 



659. 

 Corallidae, 135. 

 Corallium, 135. 

 Corals, 132. 

 Coras, 431. 

 Corbula, 595. 

 Cordylophora, 95. 

 coriacea (Fontaria), 472. 

 Cornulariella, 134. 

 Cornulariidae, 134. 

 cornutus ( Autolytus), 287. 

 cornutus (Chondra- 



canthus), 351. 

 Corona, 230, 639. 

 corona (Difflugia), 18. 

 coronata (Doto), 504. 

 coronata (Ephelota), 68. 

 Coronatae, 127. 

 coronatum (Polystoma), 



176. 

 Coronula, 362. 

 Coronulidae, 362. 

 Corophiidae, 371. 

 Corophium, 371. 

 corticaria (Bifidaria), 510. 

 Corymorpha, 101. 

 Corymorphidae, 101. 

 Corynidae, 95. 

 Coryphella, 504. 

 costata (Alasmidonta), 



582. 

 costata (Pholas), 597. 

 costata (Siliqua), 595. 

 costata (Vallonia), 518. 

 Cothurnia, 67. 

 Cotylaspis, 179. 

 Cotylea, 171. 

 Cotylogaster, 178. 

 couthouyi (Tubularia), 103. 

 Cowries, 549. 

 Coxal plate, 448. 

 Cral) spiders, 427. 

 Crabs, 394. 



•cracherndi ( Ilallotis) , 532, 

 Cranchiidae, 612. 

 Crangon, 386. 

 Crangonidae, 386. 



Crania, 268. 

 Craniidae, 268. 

 Craspedacusta, 119. 

 Craspedomonadidae, 28. 

 Craspedsomidae, 470. 

 Craspedote medusa, 88. 

 crassa (Eunicea), 137. 

 Crassatellites, 577. 

 Crassatellitidae, 577. 

 crassicaudum (Tricho- 



soma), 221. 

 crassicolis (Taenia), 201. 

 crassicornis (Tealia), 143. 

 crassipalpis (Clubiona), 



429. 

 Crassobothrium, 196. 

 craticula (Membranipora), 



256. 

 cratoparis (Astcrophora), 



45. 

 Crayfish, 390. 

 crenatus (Balanus), 362. 

 Crenella, 572. 

 Crepidula, 539. 

 Creseis, 499. 

 Cribellum, 414. 

 Cribrella, 629. 

 Cribriform organs, 627. 

 Cribrilina, 256. 

 Cribrilinidae, 256. 

 Crinoidea, 619. 

 Crisia, 250. 

 Crisiidae, 250. 

 crispata (Zirphaea), 598. 

 crispatus (Ctenodiscus), 



627. 

 cristata (Arenicola), 299. 

 Cristatella, 264. 

 Cristatellidae, 264. 

 cristallinus (Lophopus), 



263. 

 crocata (Castianeira), 430. 

 crocea (Tubularia), 104. 

 Crossobothrium, 196. 

 crotali (Porocephalus), 457. 

 Crucibulum, 539. 

 Crustacea, 326. 

 Cryptochiton, 489. 

 Cryptodon, 585. 

 Cryptoglena, 32. 

 Cryptomonadidae, 35. 

 Cryptomonas, 36. 

 Cryptophialus, 358. 

 Cryptops, 475. 

 crystallina (Cothurnia), 67. 

 cry.stallina (Sida), 333. 

 Crystalline rod, 5(J6. 

 crystallinus (Oecistes), 234. 

 Ctenidia, 480, 565. 

 Ctenobranchiata, 534. 

 Ctenodiscus. 627. 

 Ctenophora, 150. 



