INDEX 



707 



Antedon, 622. 

 Antedonidae, 621. 

 Antenna (in arthropods), 



323. 

 Antennal scale, 363. 

 Antennal sinus, 357. 

 antennina (Antennularia), 



109. 

 Antennularia, 109. 

 Antennule, 327. 

 Anterior canal, 529. 

 Anthobothrium, 196. 

 Anthomedusae, 93. 

 Anthophysa, 28. 

 Anthozoa, 132. 

 Anthuridae, 374. 

 antillarum (Centrechinus), 



643. 

 Antipatharia, 139. 

 Antipathes, 139. 

 Antipathidae, 139. 

 Ant-like spider, 436. 

 Anura?a, 239. 

 Anuraeidae, 239. 

 Aperture, of snail shells, 



492, 506. 

 Apex, of snail shells, 506. 

 Aphanostoma, 159. 

 Aphrodita, 284. 

 Aphroditidae, 284. 

 Aphrothoracida, 22. 

 apicata ( Stoma toca), 98. 

 apiculata (Cha^topleura). 



487. 

 Aplaeophora, 483. 

 Aplexa, 511. 

 Aplysia, 499. 

 Aplysiidae, 499. 

 Aplysina, 85. 

 Aplysinidae, 85. 

 Aplysioidea, 499. 

 Apodidae, 331. 

 Aporosa, 147. 

 Aporrhais, 549. 

 Appendicularia, 658. 

 Appendiculariidae, 658. 

 appendiculatus (Diophrys), 



63. 

 appendiculatus 



(Hemiurus), 187. 

 appendiculatus 



(Polygordius), 281. 

 Apus, 331. 

 aquatica (Limnochares), 



448. 

 aquaticus (Gordius). 227. 

 Arabella, 290. 

 Arachnida, 402. 

 Arachnoidea, 400. 

 Araneae, 413. 

 Araneida, 413. 

 Araneus, 425. 



Arbacia, 643. 

 Arbaciidae, 643. 

 arborea (Zonitoides), 526. 

 arborescens (Dendronotus), 



501. 

 arbuscula (Chalina), 82. 

 arbuscula (Zoothamniuni), 



66. 

 Area, 571. 

 Arcella, 18. 

 Arcellidae, 17. 

 Archeocytes, 73. 

 archeri (Diplophrys), 21. 

 Archiannelida, 280. 

 architecta (Phoronis), 271. 

 Architeuthis, 610. 

 Arcidae, 570. 

 arctica (Cyanea). 130. 

 arctica (Limacina). 498. 

 arctica (Saxicava), 596. 

 arenaria (Mya), 594. 

 arenaria (Ocypoda), 399. 

 arenarius (Clitellio), 310. 

 arenarius (Haustorius), 



368. 

 arenata (Caudina), 650. 

 arenata (Molgula), 665. 

 Arenicola, 299. 

 arenicola (Asterias). 631. 

 arenicola (Cythereis), 356. 

 arenicola (Lycosa), 433. 

 Arenicolidae, 299. 

 Argas, 445. 

 Argasidae, 445. 

 argentea (Thuiaria), 107. 

 Argiope, 425, 

 argo (Argonauta), 612. 

 Argonauta, 612. 

 Argonautidae, 612. 

 Argulidae, 351. 

 Argulus, 352. 

 argus (Palinurus), 392. 

 Argyrodes, 421. 

 Aricia, 292. 

 Ariciidae, 292. 

 Ariollmax, 528. 

 Arion, 527. 

 Arionidae, 527. 

 Arm comb, 636. 

 Armadillididae, 380. ^ 

 Armadillidium, 380. 

 armata (Funiculina), 138. 

 armata (Trachelomonas), 



32. 

 armifera (Bifidaria), 516. 

 armigera (Dalyellia), 162. 

 armigera ( Segmentina ) , 



513. 

 Arrhenurus, 452. 

 Artemia, 331. 

 Arthrobranchs, 384. 

 Arthropoda, 323. 



Arthrostraca, 364. 

 orthusa (Pluniatella) , 263. 

 Articulamoutum. 484. 

 Articulata, 3. 4, 326. 

 articulata (Opercularia), 



67. 

 articulatus (Astropecten), 



626. 

 Ascaridae, 224. 

 Ascaris, 224. 

 Ascidia, 667. 

 Ascidiacea, 663. 

 Ascidiae compositao, 668. 

 Ascidiae luciae, 671. 

 Ascidiae simplices, 664. 

 Ascidiidae, 667. 

 Ascon type of sponge, 72. 

 Aftcortis, 76. 

 Asellidae, 377. 

 Asellus, 377. 

 asollus (Oniscus), 379. 

 asensoriatum 



(Stichostemma), 212. 

 asperata (Misumena), 428. 

 aspersa (Helix), 519. 

 Aspidisca, 64. 

 Aspidobothridae, 178. 

 Aspidobranchiata, 529. 

 Aspidocotylea, 178. 

 Aspidogaster, 179. 

 Asplanchna, 236. 

 Asplanchnidae, 236. 

 Asplanchnopus, 237. 

 Astacidae, 390. 

 Astacidea, 389. 

 Astacus, 390. 

 Astarte, 577. 

 Astaftidae, 577. 

 Astasia, 33. 

 Astasiidae, 32. 

 Asteracanthion, 631. 

 Asterias, 631. 

 asterias (Isocrinus), 621. 

 Asteridae, 631. 

 Asterina, 629. 

 Asterinidae, 629. 

 asteriscus (I'yramidula), 



522. 

 Asteroidea. 623. 

 Asterophora, 45. 

 Asteropidae, 628. 

 Astigmatea, 661. 

 Astraeidae, 148. 

 Astrangia, 148. 

 astreoides (Porites), 147. 

 Astropecten, 626. 

 Astrophytidae, 638. 

 Astyris, 557. 

 Asymmetron, 673. 

 Atax, 451. 

 Atlanta, 552. 

 Atlantic palolo worm, 290. 



