INDEX. 



Pages on wliicli tlie descriptive aeeounts of families, genera and species occur are indicated by blacli- 

 faced type. 



abyssicola (Cliirodota), 110. 

 " (Echinosoma). 179. 



" (Protanliyra). 22, 25, 99, 105. 



" (Synapta), 1(I5. 



" (Trochostoma), 157. 



acantliia (Leptosynapta), 87, 92. 



" (Synapta), 82. 



Acanthotroclius, 12, 1.3, 17, 22, 46, .52, 127, 129, 130, 



131, 133. 

 Acaudina, 20, 22, 135, 13(i, 15(5, 178, 186, 187. 

 Achiridota, 17, 22, 112, 126, 131, 1.33. 

 .\ctinopoda, 13, 135. 

 .\ctinopodida, 13. 

 aeuleata (Protanlvyra), 99, 101, 105. 



" (Synapta), 104. 



acutuni (.\nkyroderma nuisculus), 165. 

 aflfinc (Ankyroderma), 163. 

 aflinis (Molpadia), 31, 1.5S, 163, 164. 

 agassizii (Ankyroderma), 169. 



" (Molpadia). 159, 169. 



" (Synapta), 78. 



albatrossi (Protankyra), 100. 

 albicans (Caudina), 37, 173, 17i, 175. 

 (Synapta), 88. 



" (Trocliostoma), 37, 174. 

 albopuiictata (Chondrocl(i>a), 84. 

 alcocki (Gephyrotliuria), 22, 186. 

 amboinensis (Chiridota). 117, 118. 



" (Cliirodota), 117. 



amorpha (Molpadia), 31, 158, 164. 

 Anactinopocla, 13. 

 Anactipoda, 13. 



Anapta, 12 13, 16, 17, 22, 71. 109, 111. li'.l, 133. 

 andamanense (Trocliostoma), 162. 

 andamaneiisis (Haplodactyla), 182. 



(Molpadia). 1-58, 162, 163, 168, 170. 

 Ankyroderma, 12, 13, 18, 19, 142, 156. 

 antaretiea (Molpadia), 32, 36. 144, 159. 16:;, 168. 

 antareticiim (Trochostoma), 162, 168. 

 Aphelodactyla, 20, 22, 143, 149. 1.53, 1.54. 1.55, 156, 



180, 186, 187, 188. 

 Apneumona, 11, 12. 

 Apneumones, 11. 

 Apoda, 12, 13. 

 Apodes, 11, 13, 14. 

 Apodia, 11. 

 arctica (Haplodactyla), 169. 



(Molpadia), 31. 32, 36, 1.59, 163, 16S. 169. 

 arctieiim (Trochostoma), 169. 

 arenata (Caudina), 22, 36, 37, 38, (1. 1:15. 146, 147. 



149, 1.50, 1.51, 1.52, 154. l" 

 (Thirodota), 20, 171. 



17:i. 174, 177, 185. 



arcuicola (Liosoma), 145, 171. 



(Molpadia), 33, 1.59, 171. 

 " (Trochostoma). 171. 



armata (Caudina arenata), 37, 174, 175. 

 aspera (Chondrocloea), 85. 

 Aspidochir, 113. 

 AspidoehirotiP, 21. 

 astrolabi (Synapta), 78. 

 asymmetriea (Protanlcvra), 100, 107. 



" (Synapta), 107. 



australiana (Chiridota), 17. 



" (Chirodota), 122, 124. 



australianus (TiPniogyrus), 22, 29, 121, 122, 125. 

 australis (Aphelodact.vla), 181, 182. 

 " (Haplodactyla), 182. 



" (Molpadia), 20, 175. 



autopista (Protankyra), 99, 103. 



" (Synapta), 103. 



ayresi (Synapta), 88. 

 " (Trochostoma), 157. 



bachei (Synapta), 87. 



bankensis (Protankyra), 100, 108. 



" (Synapta), 108. 



benedeni (Protankyra), 100, 106. 



" (Synapta). 106. 



bergensis (Synapta), 91, 92, 

 beselii (Chondrocloea), 78. 



" (Synapta), 15, 78, 79. 

 bicornis (Protankyra), 26, 98, 101. 

 bidentata (Protankyra), 99, 102. 



" (Synapta), 102. 



bifaria (Synapta), 88. 

 blakei (Molpadia), 33, 159, 168, ir,9. 



" (Trochostoma), 168. 

 borealc (Trochostoma),-^32, 160, 169. 

 liorealis (Molpadia), 31, 36, Kin, Kis. 

 brevicanda (Caudina coriacea), 175, 176. 

 brevicaudata (Molpadia), 160, 171. 

 brevieaudatum (Ankyroderma). 171. 

 brevis (Chiridota), 128. 

 briareus (Thyone), 180. 

 brychia (Protankyra), 25, 99, 103, inl. 



(Synapta"), 103. 

 buskii (Labidoplax), 22, 44, 57. 94. 



" (Synapta), 94. 



cacrulea (Moliiadia parva). 36. 

 californica (Caudina), 37, 173. 177. 

 caudata (Caudina). 175. 



■' (Microdaclyla). 175. 



caudatvun (Trochosti>in:i i-uinnlnr). 161. 



