GENEBAL INDEX. 



313 



Cyathocrinus, :;7. 65; of Oryptoblastus, 64 ; of 

 Granatocrinus, 64 : of OropAoerinw*, 83, 64; of 

 l\-nir< mites, 65 ; of Schizoblastus, 64. 

 Crinaotanota, 1 II. 



Crinoidea, I, 2, 4. 6, 7, L3, is, 42, 68, 71 71. 77-88, 

 86, L13 L21, 264. 

 Ambulacra of, 22, 27. 28, 65, 82; basals of, 

 L8 L6, 71 ; radialaof, 22, 26 28. 

 Oryptoblastus, 4, 22, 88, 91, 106, 123, 125, L27, L34, 

 L36, 1 i7. 209, 210, 212, 218, 220 

 223, 225, 229 235, 244. 

 Ambulacra of, 55; covering-plates of, 

 04; deltoids of, 29, 105, 109, 111 : 

 hydrospires of, 49,231; lancet-plates 

 of, 55, 92, Ins. L09; side plates of, 55, 

 56 ; spiracles of 100, 105, 106, 108- 

 111, 231 ; summit-plates of, 04, 66. 

 Kirkwoodensis, 144. 



melo, 29, 55, 64, 84, 102, 103, 105, 

 106, 108-111, 124, 142, 227, 231, 

 232, 233 (PI. VII. figs. 14, 15). 

 pisum, 142. 

 projeetus, 233. 

 Cryptocrinus cerasus, 118, 119. 



Cryptoschisma, 9, 62, 89-91, 94, 105, 125, 127, 130, 

 133, 136, 147, 149, 200, 258, 272, 

 279, 280, 281. 

 Ambulacra of, 42, 56, S9 ; basals of, 12, 

 15, 20 ; calyx of, 11 ; deltoids of, 12, 

 29, 30, 32, 33, 39 ; hydrospires of, 

 87, 89-91, 279, 281, 282; lancet- 

 plates of, 89 ; radials of, 24 ; side 

 plates of, 56, 89 ; spiracles of, 89, 96, 

 97. 

 Schulzi, 11, 12, 15, 20, 24, 26, 27, 30, 

 39, 56, 57, 90, 97, 123, 140, 257, 

 281-283 (PL V. figs. 23-26; PI. XIII. 

 fig. 20 ; PI. XVI. figs. 3, 4 ; PL XVIII. 

 fig. 2). 

 Cryptoschismida?, 147, 258, 279. 

 Culicocrinus, summit-plates of, 72-74. 

 Cumberland, G., 7, 101, 151, 157, 186, 188, 234, 235, 

 236, 238, 243, 257, 263, 270, 283, 286, 290, 

 292, 293. 

 Cyathocrinus, interradials of, 10, 23, 37, 40, 107 ; 

 radial dome-plates of, 37, 65 ; summit-plates of, 

 37, 71, 74, 75. 

 Cystidca, 2, 4, 6, 56, 66, 71, 74. 79, 114-121, 260, 

 204, 2! 7. 

 Hydrospires of, 77-80 ; summit-plates of, 71, 

 74. 



Slastus, 1 1 7, 1 19. 



Defranoe, T. I.. If., 157. 



Deltoid plates, l. L0, 12,2- 88, 65, 58, •"■!'. 121; of 

 Acentrotremites, L05, l" s , L09, 111 ; of Astero- 

 blastus, L20 ; of Attroerinut, 32, 299 ; of Codas- 

 tor, 12, 23, 25, 29 33,58,261,263; of Crypto- 

 blast-us, 29, I""-, L09, 111; of Cryptoschisma, 

 12, 29, 3o, 32, 33, 39; oi Cystoblastus, 120; 

 of Elceacrinus, L2, 29, 35 39, 72 75, 1 L0, 111, 

 214, 215; of Eleutheroorinus, 25; of Qranato- 

 crinus, 12, 25, 29, 41, 58, 105-107, 241 ; of 

 Beteroblastus, 255, 256; of Heteroschisma, 30- 

 33; of Mesoblastus, 25, 30,58, 104; of Meta- 

 blastus, 111, !!':>. 200; of Orophocrinus, 25, 



29, 35,2sa; ; of Pentremites, 25. 29, 32, 34, 40, 

 43, 4 1. 58, L00-103, 155 ; »i Pentremitidea, 12, 



30, 58, 104, 170 ; of PhcmoscMsma, 12. 29, 30, 

 32, 33, 272; of Schizoblastus, 12. 25, 29,35, 

 58, 222; of Stephanocrinus, 26, 32, 34, 35, 73, 

 74; of Tricoslocrinus, 2!), 32, 111, 205; of 

 Troostocrimts, 12, 30, 37, 40, 111, 112, 192- 

 194. 



Devonian Period, Blastoidea of, 129-133, 136-140. 



Dewalque, O., 130. 



Dichocrinus, radials of, 22, 27. 



*Dimorphicrinus, 283, 286, 292, 293. See Oropho- 



crinus. 

 Dorsal axis, 13. 



Dorsocentral plate, 38, 71, 300. 

 Dory crimes, 38. 



Dujardin, R, and Hupe, H., 78, 149, 151. 157,165, 

 167, 168, 172, 183, 185, 186, 194, 206, 210, 

 216, 238, 248, 250, 251, 253,259,260,268- 

 270, 276, 277, 290, 292. 

 Echinoidea, 2, 3, 42, 74, 81, 86, 87, 113-115. 



Ambulacra of, 27, 42 ; ocular plates of, 22. 25. 

 27. 

 EchinospTwerites, 4. 

 Ecbinozoa, 115, 116. 

 Edriocrinus, 10. 

 Ekcacrinida>, 146, 210. 



Elceacrinus, 2-4, 6, 7, 12, 56, 118, 119, 121, 122, 125, 

 127, 131, 133, 130, 1 10, Ns, 149, 104, 

 193, 194, 205, 209, 210-222, 225, 229, 

 230, 235-238, 240, 258, 294, 300. 

 Ambulacra of, 42, 214; anal plato of, 12, 

 36, 38, 41, 126, 215 ; basals of, 12, 15 ; 

 calyx of, 11, 35, 36, 213-215 ; deltoids 

 ot',"l2, 29, 35-39, 72-75. 110, 111, 214, 

 215; lancet-plates of, 110; radials of, 

 25, 35 ; side plates of, 56 ; spiracles of, 



