478 



ROBERT TRACY JACKSON ON ECHINI. 



Cidaris (continued). 



laevispina, 255, 256. 



muensteriamis, 280. 



munsteriana, 280. 



nerei, 262. 



panamensis, 34. 



papillala, 61, 182. 



rossicus, 263. 



sceptifera, 95. 



scrobiculata, 255, 256. 



urii, 276, 277 



vemeuiliana, 245. 



!)e<MS(a, 277, 278, 279. 

 cidaris, Cidaris, 96, 100, 182. 

 cidaris, Echinus, 96. 

 Cidarites munsteriamis, 280. 



nerei, 262. 



prisons, 276, 274. 



protei, 262. 



rossicKs, 263. 



tennesseae, 258, 449. 

 Cidaroida, 29, 78, 79, 91. 92, 93, 94, 95, 100, 101, 102, 103, 

 116, 123, 125, 146, 1.52, 174, 178, 181, 182, 183, 186, 

 188, 192, 194, 196, 200, 201, 209, 211, 212, 213, 214, 

 217, 220, 221, 223, 227, 238, 244, 245, 249, 379, 

 454. 

 Cidarotropus, 256, 257. 



biangulata, 273. 



hallianus, 279. 



megaslylus, 273. 



norwoodi, 270. 



pizzulana, 272. 



rossica, 263. 



trauscholdi, 448. 



wortheni, 259. 

 cincta, Salenia, 112, 157. 

 einctus, Plexechinus, 70. 

 Cirrhopoda, 28. 

 Cirriped, 27. 

 Clark, A. H., 200. 

 Clark, H. L., 39, 92, 96, 116. 



Clark, H. L. See Agassiz, Alexander, and Clark, H. L. 

 clarki, Salenia, 111. 

 clavata, Archaeocidaris, 2.59, 282. 

 clavatus, Echinocrinus, 282. 

 clavigera, Xenocidaris, 288, 454, 455. 

 Clypeaster, 18, 25, .53, 73, 74, 78, 188. 



rosaceus, 73, 185, 196, 197. 



subdepressus, 196, 197. 

 Clypeastrina, 29, 188, 189, 196, 197, 198, 204, 209, 217, 218. 

 Clypeastroids, 18, 26, 29, 32, 53, 56, 62, 65, 69, 70, 71, 72, 



73, 74, 78, 85, 167, 179, ISO, 196, 200, 210, 218. 

 cobosi, Porocidaris, 34, 61, 89, 414. 

 Coelopleurus floridanus, 116, 158. 

 coUetti, Lepidesthes, 28, 31, 34, 53, 54, .59, 75, 172, 174, 



234, 416, 420, 425, 431, 443. 

 CoUyrites, 33, 56, 69, 72, 86. 

 Colobocentrotua, 45, 77, 187, 217. 



atratus, 35, 45, 147, 163, 217. 



coloradensis, Archaeocidaxis, 237, 258, 267, 274. 



conifera, Xenocidaris, 455. 



conoideus suevicus, Tiaris, 455. 



Conolampas sigsbei, 198. 



corallinus, Pelanechinus, 444. 



coranguineum, Micraster, 54, 148. 



coreyi, Lepidesthes, 25, 32, 415, 423, 424. 



OUgoporus, 304, 351, 353, 355. 

 eoronata, Cidaris, 95, 96, 100, 148. 

 Coronula diadema, 27. 

 corveyi, Lepidesthes, 423. 

 costata, Spatangopsis, 458. 

 Cottaldia, 104. 



granulosa, 155. 

 Cotteau, Gustave, 112, 152, 457. 



cotteaui, Koninckocidaris, 11, 224, 225, 237, 284, 285, 286. 

 colleaui, Lepidechinus, 285. 

 [cotteaui], Perischodomus, 285. 

 crassus, Melonechinus, 364, 367. 

 crassus, Melonites, 367. 

 cratis, Archaeocidaris, 237, 258, 272. 

 crenulare, Glyptocidaris, 113, 186, 214, 215. 

 crenulare, Phymosoma, 112, 186. 

 crenularis, Hemicidaris, 103, 154, 164. 

 Crinoidea, 200, 362. 

 Crinoids, 16, 35, 200, 362. 

 cylindrica, Discoidea, 189. 



Xenocidaris, 454, 455, 456. 

 Cystechinus, 219. 

 Cysticaroidea, 250. 

 Cystocidaridae, 250. 

 Cystocidaris, 250, 252. 



pomum, 252. 



uva, 252. 

 Cystocidaroida, 250. 

 Cystoidea, 200, 458. 

 Cystoids, 35. 



Dalmanites limulurus, 286. 



danae, Melonites, 356. 



[da7iae], Melonopsis, 356. 



danae, Oligoporus, 54, 228, 229, 230, 231, 304, 335, 350, 



351, 353, 356, 491. 

 danae, Palaechinus, 356. 

 Day, George, 249. 

 decorata, Acrosalenia, 112, 157. 

 delamarei, Phymosoma, 113, 158. 

 dentata, Rotula, 70. 

 depressus, Strongylocentrotus, 129, 162. 



Tripneustes, 123, 161. 

 Dermatodiadema, 84, 85, 398. 



antillarum, 81, 104, 154. 



horridum, 1.54. 

 Desor, Edouard, 10, 262, 263, 265. 

 desori, Diplocidaris, 95, 96, 101. 



Lepidocentriis, 287, 457. 

 dcacalionis, Cidaris, 263. 



Echinocrinus, 263. 

 devonicans, Lepidesthes, 236, 415, 420, 432. 



