INDEX. 



ABATUS, 143. 

 Abdominalia, 345. 

 Abiogenesis,, 9. 

 Ablastica, 79. 

 Abranchia, 239. 

 Abranchiata, 299, 303. 

 Abyla, 98. 



.1 zone, 44. 

 Acanthin, 8, 13, 60. 

 Acanthobdella, 198. 

 Acanthobdellidae, 203. 

 Acanthobothrium, 171. 

 Acanthocephala, 187. 

 Acanthochiasminae, 63. 

 Acanthocystis, 59. 

 Acanthodesmiaceae, 62. 

 Acanthodoris, 305. 

 Acanthometra, 60. 

 Acanthometrida!, 60, 63. 

 Acanthospongia. 

 Acaridae, 372. 

 Acarina, 371, 

 Acarus, 36;. 

 Accphala, 160-255. 

 Accra, 311. 

 Aceridae, 160. 

 Acetabula, 385. 

 Achatina, 312. 

 Achatinella, 312. 

 Acherontia, 412. 

 Acheta, 404. 

 Achthcrcs, 348. 

 402. 



:n.i. 311. 

 Aciculidac, 311. 

 -' 



. 69. 



ACOCICS, 220. 



Acraeinae, 412. 

 Acraspeda, 102. 

 Acrididae, 389, 404. 

 Acrocyst, 93. 

 Acroloxus, 295. 

 Acrophalli, 185. 

 Acrosoma, 375. 

 Actaeonia, 293, 306. 

 Acaeonidae, 306. 

 Actineria, 115. 

 Actinia, 1 14. 

 Actiniadse, 1 14. 



Actiniinae, 1 14. 



Actinocephalus, 65. 



Actinodendron, 115. 



Actinomma, 63. 



Actinophryna, 58. 



Actinophrys, 50. 



Actinopsis, 1 14. 



Actinopyga, 148, 153. 



Actinosphaerium, 59. 



Actinottocha, 192. 



Actinozoa, 109. 



Actinozoa, development of, in time, 



Actinula, 90. 



Aculcata, 419. 



Anna, 304. 



A'l.uiilailuiT.il pieces, 134. 



Adnmsia, I 14. 



Addiu , 261. 



.'Ionic, 86. 

 Adrlsbng 



373- 

 ^07. 



ualis, 250. 



ncta, 90. 



