594 



INDEX. 



Albumen glands of Oli- 

 gochaeta, 505. 



Alcinoe, 208. 



Aloiopa, 479. 



Alciopina, 479. 



Alcyonacea, 178. 



Alcyonaria, 175. 



Alcyonella, 568. 



Alcyonidium, 556, 567. 



Alcyonium, 179. 



Alderia, 385, 413. 



Alecto, 566. 



Alectona, 97. 



Alexia, 415. 



Algol, 94. 



Alicia, 187. 



Alitta, 479. 



Allantonema, 277, 290. 



Allmaniella, 478. 



Alloiocela, 220. 



Allolobophora, 503, 512. 



Allomorphina, 13. 



Allopora, 129. 



Alloposus, 420, 446. 



Allostomura, 220. 



Alluroides, 508. 



Alhirus, 512. 



Alma, 511. 



Alophota, 156. 



Alternation of genera- 

 tions, 121. 



Alvania, 511. 



Alveopora, 197. 



Alwisia, 17. 



Amalthaea, 130, 131. 



Amathia, 567. 



Amaurochaete, 17. 



Amber-snail, 416. 



Ammocharidae, 484. 



Ammodiscus, 13. 



Ammoconidae, 98. 



Ammonactis, 188. 



Ammonites, 417, 444. 



Ammothea, 179. 



Ammotrypane, 487. 



Amoeba, 11. 



Amoeboidea, 11. 



Amoebosporidia, 69. 



Amoebosporidium, 63. 



Amoebulae, 17. 



Ampharete, 486. 



Amphianthus, 187. 



Amphibdella, 236. 



Amphibleptula, 95. 



Amphiblestrum, 565. 



Ampbibola, 361, 375, 

 414, 415. 



AmpMchaeta, 509. 



Amphichoerus, 219. 



Amphicodon, 131. 



Amphicora, 491. 



Amphicorinidae, 490. 

 Ampbicoryne, 14. 

 Amphicteis, 486. 

 Amphictene, 486. 

 Ampliidisc, 92. 

 Ampliidiscophora, 92. 

 Amphiglena, 466. 

 Amphihelia, 195. 

 Amphil aphis, 182. 

 Amphilectus, 96. 

 Amphileptus, 45, 46. 

 Amphiliua, 255, 256. 

 Amphinema, 131. 

 Amphilonche, 23. 

 Amphimonadina, 31. 

 Ampbineura, 352. 

 Amphinoma, 480. 

 Amphipeplea, 415. 

 Amphiporns, 271. 

 Amphiporus splendens, 



268. 



Amplnptyches, 255, 256. 

 Amphiroa, 149. 

 Amphisia, 49. 

 Amphisolenia, 35. 

 Amphisphyra, 406. 

 Amphistegina, 15. 

 Amphistomum, 225, 238. 

 Amphitretus, 446. 

 Amphitrite, 485. 

 Amphitrocha, 475. 

 Ampliius, 97. 

 Amphi/oneila, 11. 

 Amphoriscus, 90. 

 Ampullaria, 374, 37S, 



380, 395, 396, 399. 

 Anabacia, 196. 

 Anachaeta, 495, 509. 

 Anacropora, 197. 

 Anaitis, 479. 

 Anal cirri, 49. 

 Anamixilla, 90. 

 Anarthropora, 566. 

 Anatina, 349. 

 Anatmacea, 340, 342, 



349. 



Anatmacea, 328. 

 Ancillaria, 386, 397. 

 Ancistrum, 47. 

 Ancorina. 94. 

 Ancula, 410, 412. 

 Ancylus, 375, 416. 

 Ancyracantlms, 289. 

 Ancyromonas, 30. 

 Andvakiadae. 188. 

 Anemonia, 187. 

 Angela, 156. 

 Anguillula, 281, 291. 

 Anguillnlidae, 282. 

 Anguinella, 567. 

 Anisoceras, 480. 



Anisonemina, 31. 



Anisopleura, 392. 



Annadrilus, 511. 

 ! Annelida, 447. 

 j Anocelis, 221. 



Anodonta, 329, 342, 343, 

 347. 



Anomalina, 14. 



Anomia, 321, 330, 331, 

 336, 345. 



Anomiacea, 345. 



Anomiidae, 328, 341. 



Anomocladidae, 95. 



Anonymus,211, 217, 223. 



Anoplia, 95. 

 Anoplocephala, 261. 

 ! Anoplodium, 220. 

 | Anoplosyllis, 476. 



Anoplophrya, 47. 



Antenna Rotifera, 300. 



Antennularia, 133. 



Anteus, 511. 



Anthastra, 94. 



Anthelia, 178. 



Anthemiphyllia, 194. 



Anthemodes, 153. 



Antheomorphe, 187. 



Anthobothrium, 259. 



Anthocotyle, 235. 



Anthogorgia, 182. 



Antholoba, 187. 



Anthomastus, 179. 



Anthomedusae, 130. 



Anthophysa, 30, 153. 



Anthopleura, 187. 



Anthopodium, 178. 



Anthoptilum, 181. 



Aiithothela, 182. 



Anthozoa, 168. 



Antipatliaria, 190. 



Antipathella, 190. 



Antipatbes, 190. 



Antispadix of Nautilus, 

 422. 



Aperture of shell, 361. 



Apex of shell, 325, 361. 



Aphanipathes, 190. 



Aphanostomuin, 219. 



Aphodus, 78. 



Aphrocallistes, 93. 



Aphrodite, 459, 465, 478. 



Aphrothoraca, 19. 



Apiosoma, 63. 



Aplacopliora, 352. 



Aplustrum, 406. 



Aplysia, 362, 371, 385, 

 404, 407. 



Aplysiella, 407. 



Aplysilla, 93. 



Aplysina, 98. 



Aplysinopsis, 98. 



