196 
American continent from Huronian tö Ter- 
tiary, i. 166. 
Ammodiscus tenuis, ii, 104. 
Ampharetidie, tubes of, ii. 56. 
Amphihelia rostrata, ii. 152. 
Amphinome Pallasii, ii. 54. 
Amphipods, ii. 49. 
Smith on tubes of, ii. 53. 
Anadyomene, i. 52. 
Ananchytidse, 1. 159; ii. 100. 
Ancient types and oceanie dredgings, i. 155. 
Anguilla, fossil mammals of caves of, i. 114. 
Anisonotus curvirostris, ii. 97, 98, 59. 
-Ankyroderma affinis, 11. 88. 
Annelids, bathymetrical range of, ii. 59. 
E. Ehlers report on, i. xxi. 
littoral groups of, 1i. 53. 
parasitic in corals, ii. 156. 
parasitic on Antipathes, ii. 156. 
Annelid tubes, composition of, ii. 53. 
covering large tracts, ii. 53. 
transported, ii. 54. 
Anomalopus frontalis, ii. 37. 
Anomura, ii. 20. 
Antarctic regions, Alph. Milne-Edwards on 
fauna of, i. 121. 
Antedon Hagenii, ii. 124. 
Antedon Sarsii, ii. 118. 
Antedon spinifera, ii. 125. 
Antedonin, i. 309. 
Antennarius, ii. 31. 
Anthenoides Peircei, ii. 105. 
Anthoptilum Thomsoni, ii. 142, 1 3. 
Antigua, island of, i. xix. 
Antillia explanata, ii. 154. 
Antillean continent, i. 116. 
Antipathes columnaris, ii. 155. 
Antipathes spiralis, ii. 155. 
Antipathidee, ii. 155. 
Antique types, i. 156. 
Aphrocallistes Bocagei, ii. 172. 
Aphyonus mollis, ii. 25. 
Apioerinide, ii. 116. 
A poda, ii. 84. 
Appendienlaria, i. 187. 
Arago, 1. 249. 
Arbacia, i. 159. 
Arbaciadie, ti. 92. 
spines of, ii. 02. 
Archaster mirabilis, ii. 102, 107. 
Archaster pulcher, ii. 103. 
Archasteride, ii. 102. 
Archeocidaris, plates of, ii. 06. 
Architenthis princeps, ii. 62. 
Aretie eurrent, Bartlett on southern exten- 
sion of, i. 279. 
INDEX. 
| 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. 126. 
Areas of elevation, i. 126. 
Argonauta, i. 191. 
Giglioli on, i. 193. 
Argyope, i. 193. 
Argyropeleeus, ii. 22. 
Ascidians, ii. 77. 
Asiatic continent, relation of to East Indian 
Archipelago, i. 125. 
| Askonema setubalense, ii. 174, 175. 
| Aspidodiadema antillarum, ii. 96. 
| Aspidodiadema, sheathed pedicellariæ of, ii. 
| 96. 
| Aspidosiphon, ii. 
' Astacidea, ii. 43. 
| Astacus zaleucus, i. 308. 
Astarte, ii. 75. 
Asthenosoma, Grube on, ii. 94. 
52. 
| Asthenosoma hystrix, ii. 94, 95. 
| Asthenosoma, plates of test of, ii. 04. 
| shape of, ii. 04. 
sheathed spines of, ii. 95. 
| Astroenida, ii. 115. 
' Astroenida isidis, ii. 5. 
Astronyx Loveni, ii. 5. 
Astropecten, ii. 103. 
Astrophytidze, 11. 109. 
Astrophyton, ii. 114. 
from Baffin's Day, i. 41. 
swimming of, i. 44. 
Astrophyton cecilia, ii. 110, 111. | 
Astrorhiza limieola, ii. 161. 
Astrorhiza, Sundahl, Dr., on, ii. 161. 
Astroschema, ii. 5. 
Atelecrinus, ii. 124. 
a larval form of Comatula, ii. 126. 
Athorybia formosa, ii. 133, 
Atlanta, 1. 187; 205. 
Atlantic and Pacific continents, i. 125. 
Atlantic and Pacific, former connection of, 
i. 92. 
Atlantic, eastern basin of, i. 242. 
hydrographie character of, i. 242. 
Atlantie ooze, Bailey on, i. 45. 
composition of, i. 150. 
Atlantie slope, profile of, i. 134. 
Atlantie, western basin of, i. 242. 
Atlantis, i. 126. 
Atolla Bairdii, ii. 132, 133. 
Atolla Wyvillei, ii. 192. 
Aurelia, i. 186. 
Austins, the, on Pentacrinide, ii. 117. 
