INDEX. 



Abdominalia, 260. 

 Abiognesis, 38. 

 Abiological sciences, J. 

 Acanthobdella, 189. 

 Acanthocepbala, 55-3, OH. 

 Acanthoteutbis, 465. 

 Acarina, 329. 

 Achetidee, 3T8. 

 Acbtberes, 241. 

 Acineta mystacma, J4. 

 AcinetiB, 89. 93, 94, 99-101. 

 Acrididse, 37S. 

 Actinia, 53, 140, 141, 154. 



holsatica, 139. 



Actinid*, 140 141 L 145. 

 Actinophrys, 83, 8b 9<5. 

 ActinospbJerium Eicbbornii, 83, 85 



Actinozoa, 55, 110, 137, 146, U9, 150. 

 Actinula, 132. 

 ^Eginidse, 136. 

 iEthalimn septicum, id. 

 etiology, 16, 37. 



Air-breathing Arthropoda, 320. 

 Alaurina, 157. 

 Albertia, 170. 

 Alcippe lampas, Zbl. 

 Alcyonium, 143. 

 Alectoromorphse, b9. 

 Algae, 14, 20, 82, 97 

 Alimentary apparatus, do. 



Allantois, 67. fi7 



Alternation of generations, 3b, b<, 



Ambulacral vessels, 54. 



Ametabola, 361. 



Ammonitidae, 459. 



Ammotbea pycnogonoides, 66L. 



Amnion, 67. 



Amoeba radiosa, 86. 



sphaerococcus, 8b. 



Amcebae, 13, 86, 103. 



Amouroucium prohferum, 5ib. 



Amphibia, 58, 59, 64, 70, 86. 

 Amphidiscus, 108. 



Ampbidotus cordatus, 491. 

 Ampbioxus, 57, 59. 

 Amphipoda, 313. 

 Amphithoe, 311. 

 Ampullaria, 60. 

 Anatomy, 16, 17. 

 Anenterous invertebrates, I d i (. 

 Anguillula brevispinus, 545. 



scandens, 550. ._ 



Animals, characters, 44; morphology, 47; 



physiology, 54 ; natural orders, 562. 

 Anisonema, 90. ftfl „ ft7 



Annelida, 50, 51, 66 164 171, 19o, 206, 207, 

 212, 219, 416, 575, 580, 586. 



Annuloid series, 580. 



Annulose differentiation, 52. 



Anodonta, 407, 408, 412, 416, 417. 



Anomia, 411, 417. 



Anomura, 293, 294. 



Anthophysa, 90. 



Antinophrys Eichhornu, ltf. 



Antipathidae, 145, 146. 



Aphis, 36, 37, 380-384. 



pelargonii, 364. 



Aphroditidae, 210. 



Apoda, 260. 



Aporosa, 146, 147, 150, 153. 



i^ndSria!-53, 510-518, 576. 



flabellum, 511. 



Aprocta, 158. 



Aptychus, 459, 460. 



Apus, 220, 223, 226 242-245. 



. cancriformis, 243. 



glacialis, 245. 



Arachnida, 59, 221, 224, 320, 573. 



Araneina, 326. 



Area, 417. 



Arcella, 86. 



Arctisca, 334. 



Argonauta argo, 4bl, 4b- 



Argulus, 241. 



" Aristotle's lantern," 492. 



fcsssstfa «A*a ^ 66 ' M8 ' 



206, 219-225, 320, 573, 574, 580, 58b. 

 Arthrozoic series, 580, 



