424 



Index. 



^ginidse, 95. 



^ginopsis, 90, 95. 



^olidse, 283, 291, 304. 



^olis, 291. 



^quorea, 94. 



^quoridse, 94. 



jEschna, 405. 



^theria, 260. 



Agalma, 99, lOO. 



Agalmopsis, 100. 



Agamogenesis, 35. 



Agassiz, 69, 89, 95, 96, 106, 



109, 128, 137. 

 Agassizia, 148. 

 Agathistegia, 5 1 . 

 Agelacrinus, 128-9. 

 Ageronia, 412. 

 Aglaisma, 98. 

 Aglaura, 220. 

 Agnatha, 288, 312. 

 Agrion, 405. 

 Alee, 257, 345. 

 Alse, cordis, 354. 

 Alastor, 68. 

 Albertia, 198. 

 Albumen, 6. 

 Albuminoids, i. 

 Alcinoe, 106. 

 Alciope, 221. 

 Alcippe, 345. 

 Alcyonacese, 118. 

 Alcyonaria, 118. 

 Alcyonidse, no, 119. 

 Alcyonidiidse, 229. 

 Alcyonium, 119. 

 Alecto, 131. 

 Aleurodes, 400. 

 Alleogenesis, 91. 

 Allmann, 81, 90, 93, 94, 229. 

 Alpheus, 356. 



Alternation of generations, 90. 

 Alula, 407. 

 Alveopora, 116. 

 Amblyomma, 373. 

 Amblyura, 184. 

 Ambulacra, 124, 141. 

 Ambulacra! system, 124. 

 Ambulacral brains, 127. 

 Ametabolica, 398. 

 Ametabolous, 397. 

 Ammonites, 315. 

 Ammonitidse, 325. 

 Ammothea, 119. 

 Ammotrypane, 222. 



108, 



Amoeba, i, 57. 

 Amcebidse, 57. 

 Amoeboid motion, 2. 

 Amouroucium, 234, 241. 

 Amphibia, 46. 

 AmphibioticDe, 405. 

 Amphibola, 31 1. 

 Amphicorina, 223. 

 Amphiceteis, 223. 

 Amphicteneidse, 223. 

 Amphidetus, 147. 

 Amphidiscs, 76. 

 Amphileptus, 66, 71. 

 Amphiline, 17 i. 

 Amphilinidse, 171. 

 Amphinomidse, 220. 

 Amphinome, 220. 

 Amphipeplea, 3 1 2. 

 Amphipoda, 337, 3^9. 

 Amphiporidae, 164. 

 Amphiptyches, 17 1, 203- 

 Amphiroa, 98. 

 Amphistoma, 173, 176. 

 Amphistomidse, 176. 

 Amphitrema, 58. 

 Amphiura, 131. 

 Amphizoidae, 416. 

 Amphizonella, 57. 

 Ampullaria, 295. 

 Ampullariidae, 310. 

 Amussium, 268. 

 Anacharis, 421. 

 Anal valves, 319. 

 Analogous, 12. 

 Anatinidse, 257, 271. 

 Anatomus, 307. 

 Anceus, 361. 

 Anchinia, 340. 

 Anchorella, 348. 

 Ancillaria, 281. 

 Ancistropus, 193. 

 Ancorina, 77. 

 Ancula, 294. 

 Ancylus, 295, 296, 312. 

 Ancyracanthus, 184. 

 Andrena, 419. 

 Androphores, 99. 

 Anelasma, 346. 

 Angiostomum, 184. 

 Angle-band, 97. 

 Anguillula, 181—4. 

 Anguillulidae, 184. 

 Animal tissues, 9. 

 Animal matter in bone, 1 7 . 



