312 



CATALOGUE OF THE BLASTOIDEA. 



Basal plates, 11-22, 28, 38, 39, 71, 72, 118, 119, 122; 

 of Acentfolremites, 12 ; of Astrocrinus, 22, 296; 

 of Codaster, 12, Hi, 18, 19; of Cryptoblastus, 

 22; of Cryptoschisma, 12, 15, 20; of Elcea- 

 crinus, 12, 15; of EleutJierocrinus, 15, 22, 295; 

 of Gfranatoorinus, 12, 15, 22, 241 : of Eyocrinus, 

 14; of Mesoblastus, 12, 15, 22; of Metoblastus, 

 197, 202; of OropTiocrinus, 12, 10, 19; of Pen- 

 tepJiyllum, 18, 296 ; of Pentremites, 12, 15, 18- 

 22 ; of Pentremitidea, 12, 15, 16, 18 ; of Plicmo- 

 schisma, 12, 16; of Platycrinus, 13, 14; of 

 Rkizocrinus, 15, 16; of Schizoblastus, 12, 15, 

 22; of Stephanocrinus, 10, 17, 20, 22, 118; of 

 Triccelocrinus, 16-18, 20, 22, 204; of Troosto- 

 crinus, 12, 16, 18-20, 22. 



Basiradial suture, 24, 40. 



Bathycrinus, 9. 



Behmnocrinus, 9, 130, 190, 201, 202. 



Belgium, Blastoidea of, 130, 134, 136, 139, 141. 



•Belocrinus, 196, 202. 



*Cottahli, 130, 197, 198, 201, 202. 



Bennie, J., 250, 279. 



Beyrich, E., 13. 



Billings, E., 6, 19, 27, 28, 31, 35, 42, 60, 66, 68, 76, 

 79-83,85,96, 120, 151, 157, 159, 102, 104, 

 107, 108, 210, 212, 214-210, 218, 259, 201, 

 262, 264, 271, 277, 278, 2S4-286, 288. 



Blastactinota, 1 14. 



Blastoidea, 1, 2, 4, 6, 10, 13, 66-71, 79-84, 113-110, 

 117, 118, 119-122, 136, 146-149, 153; dorsal 

 axis of, 13 ; zoological characters of, 113-128. 



Blastoidocrinus, 28, 120, 121, 129, 135. 

 Eadials of, 28. 



Bronn, H. G., 2, 114, 157, 105, 172, 194, 216, 218, 

 259, 260, 263, 269, 297, 298. 



Burmcister, H., 114, 115. 



Calyx, 10-12, 16, 71, 119; Irregularities of, 39-11 ; 

 of Astrocrinus, 1 1 , 299, 302 ; of Codaster, 11 ; of 

 Cryptoschisma, 1 1 ; of Elceacriwus, 1 1 , 35, 36, 21 3- 

 215 ; of Eleuiherocrinus, 11, 14, 15 ; of Oranato- 

 crinus, 10, 40, 41, 241; of Heteroblastus, 11, 

 255; of Mesoblastus, 10, 182; of Orophocrlnus, 

 11: of Pentremites, L0, 10, 11, 155; of Pentre- 

 mitidea, 11,17": of Phcenoschisma, 1] ; of Schi- 

 zoblastus, 221, 222; of Stephanocrinus, 11, 17; 

 of Troo ttocrinus, 1 1. 



(ill ifcrous Period, l;la>t<>iilra of, L33 136, L40 



1 I.'.. 



i r, P. H., 7, 8, 13, on, 71, 74, 87, L15, 1 17. 



274. 



Carpenter, 1'. H., anil Etheridge, 1!., jun.. 72, 



Caryocrinus, SO, 114. 



Ovarian pores of, 68. 

 Claus, C, 115, 116. 

 Clavati, 122, 148, 191. 

 Codaster, 2, 5-7, 02, 78, 87-91, 119, 122, 123, 125 

 127, 129, 132-130, 147-149, 176, 198 

 200, 204, 258, 259-265, 269-273, 281 

 283, 286, 294-296, 299, 300. 

 Ambulacra of, 22, 23, 42, 55, 56, 61, 262 

 basals of, 12, 16, 18, 19 ; calyx of, 11 ; del 

 toids of, 12, 23, 25, 29-33, 58, 261-263 

 hydrospires of, 22, 23, 30-34, 76-80, 88- 

 91, 201-203 ; lancet-plates of, 51, 55, 61 

 radials of, 22-27, 88 ; side plates of, 55, 

 56, 61, 262. 

 alternatus, 16, 19, 33, 138, 260, 262, 264- 



267. 

 alternatus, var. elongatus, 23, 34, S8, 138, 



262, 263, 265, 207 (PL X. figs. 19, 20). 

 Americanus, 138, 260, 264, 266. 

 gracilis, 34, L38, 264, 265 (PI. XVI. fig. 1). 

 *gratiosus, 135, 143, 265. 

 Hindei, 16, 23, 24, 30, 31, 33, 34, 61, 88, 



138, 170, 262 265 (PI. XII. figs. 4-7). 

 pentalobus, 129, 137, 198, 265. 

 pulchellus, 129, 137, 265, 200. 

 pyramidatus, 16, 23, 24, 30, 31, 33, 34, 88, 

 176, 260, 262-265, 266, 207 (PI. XII. 

 figs. 1-3). 

 subtruncatus, 1 38. 



trilobatus, 11, 10, IS, 20, 22-24, 30-34, 42, 

 01. 121, L41, 204, 257, 262-267, 268-271, 

 281 (PI. XII. fig. 8 ; PI. XIII. figs. 1-15 ; 

 PI. XVIII. fig. 1). 



var. acutus, 141, 205, 269, 270 (PL XIII. 

 figs. 9-12, 15 ; PL XVI. fig. 2). 

 White!, 135, 142, 200, 202, 203, 205-267, 

 269. 

 Codastorid*, 147, 257 ; hydrospires of, 76, 8S-91, 96, 



258. 

 *Codonaster, 259. 



*Codonites, 0, 19, 121, 123, 283-285, 294. See Oro- 

 phocrinus, 

 *campanulatu$, 287, 289. 

 grm it is, 287. 

 *stt lliformis, 288, 

 Comatula, In, 81. 

 Comal alidse, 115. 

 Conrad, T. A., 2,3, 209 213. 



Covering plates of the ambulacra, 37, 43, 63-65,82; 

 of Blastoidea, 37, 63-65; of Crinoidea, 65; of 



