426 



Index. 



Arenospongia, 77. 

 Areolar tissue, 15. 

 Areolae, 18. 

 Argas, 372. 

 Argentea externa, 322. 

 Argentea interna, 321. 

 Argonauta, 283, 315. 

 Argonautidae, 326. 

 Argulinids, 348. 

 Argulus, 330, 348. 

 Argus, 374. 

 Argyroneta, 374. 

 Arhagea, 162. 

 Arhynchea, 161. 

 Ariciidae, 222. 

 Aricia, 222. 

 Arion, 283, 296, 311. 

 Arista, 407. 



Arm of Cephalopods, 3 1 ; 

 Arm supports, 248. 

 Armadillo, 362. 

 Armadillidium, 362. 

 Armata, 193. 

 Amstein, 14. 

 Artemia, 351. 

 Arteries, 32. 

 Arterial blood, 32. 

 Arthracantha, 198. 

 Arthrogastra, 375. 

 Arthronomalus, 382. 

 Arthropoda, 47, 327. 

 Articulamentum, 307. 

 Articulata, 130. 

 Articuli, 307. 

 Arum, 92. 

 Asbjomsen, 134. 

 Ascaridae, 185. 

 Ascaris, 185. 

 Ascidia, 237, 240. 

 Ascomorpha, 197. 

 Ascones, 78. 

 Asellidas, 362. 

 Asellus, 362. 

 Asiliidae, 409. 

 Aspergillum, 257, 271. 

 Aspidisca, 72. 

 Aspidobranchiata, 301. 

 Aspidocephalus, 184. 

 Aspidochir, 153. 

 Aspidochirotae, 150. 

 Aspidogaster, 172. 

 Aspidosiphon, 193. 



Aspidosiphonidae, 193. 

 Asplanchna, 197. 

 Astacidae, 355. 

 Astacus, 354-5. 

 Astarte, 269. 

 Astartidte, 269. 

 Astasia, 55. 

 Astasiidae, 55. 



Asteracanthion, 127, 136, 137. 

 Asterina, 137. 

 Asterinid^, 137. 

 Asteroidae, 134. 

 Asteromorpha, 133. 

 AsteronjTi, 133. 

 Asteroporpa, 133. 

 Asteropsis, 137. 

 Asteroschema, 133. 

 Asthenosoma, 138. 

 Astraea, 117. 

 Astrseaceae, 117. 

 Astraeidae, 117. 

 Astrceinas, 117. 

 Astraeopora, 116. 

 Astrangiacea, 117. 

 Astrogonium, 137. 

 Astrolithinae, 63. 

 Astropecten, 127, 334. 

 Astropectinidae, 137. 

 Astrophyton, 133. 

 Astropyga, 138-9. 

 Astrorhiza, 53. 

 Atax, 373. 

 Ateuchus, 417. 

 Athalia, 421. 

 Athorybia, 99, lOO. 

 Athorybiadae, 1 00. 

 Atlantic ocean, 45. 

 Atlantidae, 294, 306. 

 Atolls, 118. 

 Atta, 420. 



Atropos (Troctes), 400. 

 Atypus, 374. 

 Atys, 305. 



Auditory organ (insects), 388. 

 Audouinia, 222.* 

 Aulacantha, 62. 

 Aulacanthidae, 62. 

 Aulacognatha, 288, 312. 

 Aulacostomum, 201, 204. 

 Auliskia, 77- 

 Aulophora, 116. 

 Aulosphaera, 62. 



* By mistake spelled Andoninia, 222. 



