C02 



INDEX. 



Anoplura, COS. 

 Antcilon, 2>'.>. 

 Anteunre, 84. 

 Antennal Gland of 



Thoracostraca, 4(Jl 

 Antennularia. 242. 

 Antliophora, "/.IS. 

 Anthozoa, 223, 229, 230. 

 Anthrax. 57(5. 

 Antimere, 25. 

 Antipatharia, 232. 

 Antipathep, 232. 

 Antliata, 572. 

 Ant-lion, 504. 

 Ants, 595. 

 Apathcon, 177. 

 Apatura, 585. 

 Aphalaspidrc, 177. 

 Aphaniptera, 578. 

 Aphides, Ecproduction 



of, 106, 128. 

 Aphis, 569, 570. 

 Aphodius, 5'JO. 

 Aphrodite, 379. ' 

 Aphrophora, 571. 

 Apical plate of Annelids, 



363. 

 Apical pole of Echindcr- 



mata, 2(58. 

 Apiocrimis, 289. 

 Apiocystites, 289. ' 

 Apion. 588. 

 Apis, 598. 

 Apnda, 299, 44C. 

 Apolemia, 246, 249. 

 Aporosa, 232. 

 Apseudcs, 456. 

 Apsilus, 401. 

 Apt era, 567. 

 A pus, 419. 

 Arachnida, 484. 

 Aradus, 572. 

 Araneida, 498. 

 Arcella, 1S6. 

 Archreoniscus, 451. 

 Archaiopteryx, 175. 

 Archegosaurus, 177. 

 Archenteron, 116, 117. 

 Archiannelida, 365, 376. 

 Arrhigetcs, 339. 

 Arenicola, 381. 

 Aretlmsa, 249. 

 Ar-jas. 495. 

 Aru-nlus, 43S. 

 Argyiinis, 5S5. 

 Argyroneta, 499, 504. 

 Arista, 573. 

 Aristotle, classification 



of, 132. 



Aristotle's lantern, 276. 

 Armadillo, 457, 460. 



Arrcnotokia, 5:3. 

 Artemia, 419. 

 Arterial, 73. 

 Artery, til'. 

 Arthropoda, 405. 

 Arthrostraca, 449. 

 Articulata, 289. 

 Ascalaphus, 564. 

 Ascaltis, 222. 

 Ascandra, 222. 

 Asearis, 347, 346, 351. 

 Ascetta, 222. 

 Ascilla. 222. 

 Ascomorpha, 404. 

 Ascon, 222. 

 Ascortis, 222. 

 Asculniis, 222. 

 Ascyssa, 222. 

 Asellus, 460. 

 Asilus, 576. 



Aspidochirota?, 298, 299. 

 Aspidiotus, 543, 569. 

 Asplanchna, 404. 

 Astacus. 477. 

 Astasia, 169. 

 Asteracanthion, 285, 



293. 



Asteriadae, 293, 279. 

 Asterias, 293. 

 Asteridea, 279, 292. 

 Asteroidea, 279, 290. 

 Astcrope, 427. 

 Astraea, 229, 232. 

 Astneiclac, 232. 

 Astroides, 233. ; 

 Astronyx, 294. 

 Astropecten, 275, 292, 



293. 



Astrophyton, 294. 

 Atax, 495. 

 Ateuchus. 590. 

 Athalia, 594. 

 Athorybia, 248, 249. 

 Atolls, 230. 

 Atrocha, 377. 

 Attacus, 5S4. 

 .Attagenus, 590. 

 Atypus, 504. 

 Auditory organs, 85, 

 Aulastcmum, 400. 

 Aurelia, 261. 

 Aiirclio ycvcrino, 133. 

 Auricularia. 281, 282, 



2S3, 29S. 



Autolytus, 372, 379. 

 Avc-s. vascular system 



of, 67. 



s, 206. 

 I'.aoteria, 2,j6, 557. 

 I'.aer, C. E. von, 137. 



Balaninus, 588. 

 Baianoglossus, 299, 302. 

 Balantidium, 205. 

 Balanus, 44(5. 

 Bark lice, 127. 570. 

 Barrier reefs, 230. 

 Bathybius, 186. 

 Bathycrinus, 289. 

 Bdella, 495. 

 Bear-caterpillars, 583. 

 Bed-bug, 572. 

 Bedeguar of roses. 594. 

 Bee-louse, 575, 599. 

 Bees, 597. 

 Beetle-mites. 495. 

 Bee-wolf, 599. 

 Bell Animalcule, 198. 

 Bembex, 596. 

 Beris, 577. 

 Beroe, 264, 266. 

 Bibio, 574, 577. 

 Biesrliegen, 576. 

 Biogenesis, 96. 

 Bipalium, 315. . 

 Bipiiinaria,2Sl,283, 292, 



293. 



Bird spider, 504. 

 Birgus, 478. 

 Bittacus, 563. 

 Bivium, 269. 

 Bladder- Worm, 332. 

 Blaps, 589. 

 Blastoidea, 289. 

 Blastopore, 114. 

 Blastosphere, 113. 

 Blastostyle, 236. 

 Blastotrachus, 227, 232. 

 Blatta, 557. 

 Blatthornkafer, 589. 

 Blattkafer, 588. 

 Blaulinge, 585. 

 Blendwanzen, 572. 

 Blood-corpuscles, 32. 

 Bockkafer, 588. 

 Body cavity, 50. 

 Body cavity, primary, 



50, 116. 



Bombardirkiifer, 590. 

 Bombus, 598. 

 I'.oiubycina, 583. 



Boinbvx, 581, 584. 

 r.i'iie, development of, 

 40, 42. 



ia, 392. 



t, 133. 



ice, 559. 

 s, 460. 

 Borkenkiifer, 5S8. 

 Borlasia, 340, 342, 343. 

 Bos taurus, origin of, 143. 



