308 



PKOF. P. M. DUNCAN S EEVISION OF THE 



Hagenowia, 210. 

 Haimea, 174. 

 Hamataxitus, 226. 

 Hardouinia, 183. 

 Hebertia, 50. 

 Heliechinus, 132. 

 Heliocidasis, 119. 

 Hemiaster, 225, 229. 

 Hemicidaridffi, 48. 

 Hemicidaris, 49, 

 Hemidiadema, 50. 

 Hemipatagus, 222. 

 Hemipedina, 63. 

 Hemipneustes, 209, 

 Hemipygios, 49, 

 Heteraster, 220. 

 Heterobrissus, 242. 

 Heterocentrotus, 116. 

 Heterocidaris, 75, 76, 77, 123. 

 Heterodiadema, 65. 

 Heterolampas, 221. 

 Heterosalenia, 47. 

 Hipponoe, 132. 

 Holaster, 207. 

 Holectypoida, 25, 135. 

 Holectypus, 136. 

 Holopneustes, 114. 

 Homalampas, 275. 

 Hybochinus, 17. 

 Hyboclypiis, 198. 

 Hypechinus, 149. 

 Hypodiadema, 33, 50. 

 Hypopygurus, 294, 305. 

 Hyposalenia, 46. 

 Hypsoclypeus, 194. 

 Hypsopatagus, 239. 



Ilariona, 178. 

 Infraclypeus, 198. 

 Infulaster, 210. 

 Isaster, 217. 

 Isopneustes, 241, 255. 



Jeronia, 207. 



Kleinia, 248. 

 Koninctocidaris, 9. 



■Laganidge, 156. 

 Laganum, 156. 

 Lampadaster, 208. 

 Lanieria, 168. 

 Leiocidaris, 27, 31. 

 Leiocyphus, 104. 

 Leiopedina, 129. 

 Leiopneustes, 243. 

 Leiosoma, 87. 

 Lenifca, 163. 

 Lepidesthes, 16. 

 Lepidocentrus, 9. 



Lepidocidaris, 12. 

 Lepidopleurus, 104. 

 Leptocidaris, 34, 55. 

 Leskia, 278. 

 J'Leskiidis, 278. 

 Leucaster, 229. 

 Linopneustes, 223, 257. 

 Linthia, 233. 

 Lissonotus, 275. 

 Lobophora, 159. 

 Loncophorus, 252. 

 Loriolia, 65. 

 Lovenia, 263. 

 Loxechinus, 121. 



Macraster, 218. 

 Macropneustes, 239, 254, 255. 

 Magnosia, 66. 

 Maretia, 252. 

 Megalaster, 221. 

 MelecMnus, 15. 

 Mellita, 161. 

 Mellitella, 162. 

 Melonites, 15. 

 'Melonitid^, 15. 

 Meoma, 243. 

 Mespilia, 110. 

 Metalia, 245. 

 Metaporhimis, 204. 

 Micraster, 240. 

 Microcyphus, 111. 

 Microdiadema, 62. 

 Microlampas, 195. 

 Micropedina, 75. 

 Micropeltis, 87. 

 Micropsis, 89, 91. 

 Micropyga, 70. 

 Microsoma, 88. 

 Milletia, 191. 

 Miotoxaster, 219, 221. 

 Moira, 238. 

 Moiropsis, 238. 

 Monophora, 161. 

 Monostychia, 153. 

 Mortonia, 146, 163. 

 Moulinsia, 147. 



Nacospatangus, 256. 

 Neocatopygus, 186. 

 Neolampas, 195. 

 Neopneustes, 268. 

 NucleoUtes, 176. 

 Nucleopygus, 172. 



OflFaster, 208. 

 Oligopodia, 176. 

 Oligoporus, 16. 

 Oligopyginse, 173. 

 Oligopygus, 174. 

 Oolaster, 206. 



