19(5 



INDEX. 



American continent from Hnronian to Ter- 

 tiary, i. llili. 



Ammodiscus tennis, ii. 104. 

 Ampharetidse, tubes of, ii. 50. 

 Amphihelia rostrata, ii. 152. 

 Amphinome Pallasii, ii. 54. 

 Ampliipods, ii. 49. 



Smith on tubes of, ii. 53. 

 Anadyomene, i. Si'. 

 Ananchytidse, i. 159 ; ii. 100. 

 Ancient types and oceanic dredgings, i. 155. 

 Anguilla, fossil mammals of caves of, i. 114. 

 -Anisonotus curvirostris, ii. 37, 38, oil. 

 Ankyroderma affinis, ii. 88. 

 Annelids, bathymetrical range of, ii. 53. 



E. Ehlers report on, i. xxi. 



littoral groups of, ii. 53. 



parasitic in corals, ii. 150. 



parasitic on Antipatb.es, ii. 156. 

 Annelid tubes, composition of, ii. 53. 



covering larg'e tracts, ii. 53. 



transported, ii. 54. 

 Anomalopus frontalis, ii. 37. 

 Anomura, ii. .'!'.). 

 Antarctic regions, Alpb. Milne-Edwards on 



fauna of, i. 121. 

 Antedon Hagenii, ii. 124. 

 Aritedon Sarsii, ii. 118. 

 Antedon spinifera, ii. 125. 

 Antedonin, i. 309. 

 Antennarius, ii. 31. 

 Anthenoides Peircei, ii. 103. 

 Antboptilum Tbomsoni, ii. 142, 143. 

 Antigua, island of, i. xix. 

 Antillia explanata, ii. 154. 

 Antillean continent, i. 11*5. 

 Antipatbes columnaris, ii. 155. 

 Antipathes spiralis, ii. 155. 

 Antipatbidfe, ii. 155. 

 Antique types, i. 150. 

 Aphrocallistes Bocagei, ii. 172. 

 Apbyonus mollis, ii. 25. 

 Apiocrinidse, ii. 116. 

 Apoda, ii. 84. 

 Appendicularia, i. 187. 

 Arago, i. 249. 

 Arbacia, i. 159. 

 Arbaciadse, ii. 92. 



spines of, ii. 92. 



Archaster mirabilis, ii. 102, 107. 

 Archaster pulcher, ii. 103. 

 Archasteridffi, ii. 102. 

 Archeocidaris, plates of, ii. 96. 

 Architeuthis princeps, ii. 62. 

 Arctic current, Bartlett on southern exten- 

 sion of, i. 279. 



Arctic current, course of, i. 121. 



influence of, i. 134. 



Arctic regions, warm climate of, i. 134. 

 Arctic species, cropping out of, i. 302. 

 Areas of depression, i. 120. 

 Areas of elevation, i. 126. 

 Argonauta, i. 191. 



Giglioli on, i. 193. 

 Argyope, i. 193. 

 Argyropelecus, ii. 22. 

 Ascidians, ii. 77. 

 Asiatic continent, relation of to East Indian 



Archipelago, i. 125. 

 Askonema setubalense, ii. 174, 175. 

 Aspidodiadema antillarum, ii. 90. 

 Aspidodiadema, sheathed pedicellariae of, ii. 



96. 



Aspidosiphon, ii. 52. 

 Astacidea, ii. 43. 

 Astacus zaleucus, i. 308. 

 Astarte, ii. 73. 



Astbenosoma, Grube on, ii. 94. 

 Asthenosoma hystrix, ii. 94, 95. 

 Astbenosoma, plates of test of, ii. 94. 



shape of, ii. 94. 



sheathed spines of, ii. 95. 

 Astrocnida, ii. 115. 

 Astrocnida isidis, ii. 5. 

 Astronyx Loveni, ii. 5. 

 Astropecten, ii. 103. 

 Astrophytid.se, ii. 109. 

 Astrophyton, ii. 114. 



from Baffin's Bay, i. 41. 



swimming of, i. 44. 

 Astrophyton coecilia, ii. 110, 111. 

 Astrorhiza limicola, ii. 161. 

 Astrorhiza, Sundahl, Dr., on, ii. 161. 

 Astroschema, ii. 5. 

 Atelecrinus, ii. 124. 



a larval form of Comatula, ii. 126. 

 Atborybia formosa, ii. 133. 

 Atlanta, i. 187, 265. 

 Atlantic and Pacific continents, i. 123. 

 Atlantic and Pacific, former connection of, 



i. 92. 

 Atlantic, eastern basin of, i. 242. 



hydrograpbic character of, i. 242. 

 Atlantic ooze, Bailey on, i. 45. 



composition of, i. 150. 

 Atlantic slope, profile of, i. 134. 

 Atlantic, western basin of, i. 242. 

 Atlantis, i. 126. 

 Atolla Bairdii, ii. 132, 133. 

 Atolla Wyvillei, ii. 132. 

 Aurelia, i. 180. 

 Aiistins, the, on Pentacrinidae, ii. 117- 







