924 



INDEX. 



of embryo, 136-137 ; plate 



and description, 284-287. 

 Anomodontia, 392. 

 Ante-clitelliani, 207. 

 Antedon, development, 576. 

 Antennae, Insectan, 138, 140, 



141, 145, 147, 498 ; Astacus, 



163, 168-9, J 7 2 5 Arthro- 



poda,49i ; Myriapoda,5i5 ; 



Crustacea, 532. 

 Antennary gland of Crustacea, 



536 ; v. Green gland. 

 Antennules, 163. 

 Anthomedusae, 759-760. 

 Anthozoa, 724-726 ; v. Tealia. 

 Antiambulacral surface, etc., 



190. 



Anticlinal vertebra, 7. 

 Antipatharia, 737. 

 Anti-spadix of Nautilus, 457. 

 Antitrochanter, 61. 

 Antlia, 156. 

 Anura, 409 ; v. Rana. 

 Apatemys, 42. 

 Apex of Shell, 107. 

 Aphaniptera, 511. 

 Apical system of Echino- 



dermata, 544, 554, 556, 



563, 567- 

 Apis, figure and description 



of mouth-parts, 301. 

 Aplysinofulvin, 805. 

 Apneumona, 553. 

 Apoda, 553. 

 Apodemata, 170. 

 Aporosa, 743. 

 Appendages, table of, in Ar- 



thropoda, 173. 

 Appendicularidae, 447. 

 Apterygogenea, 449, 509. 

 Aptychus, 456 n., 464. 

 Aqueductus vestibuli of Elas- 



mobranchs, 420. 

 Arachnida, 522-531. 

 Araneidae, 529. 

 Area, figure, etc. of circula- 

 tory system, 289. 

 Arcacea, 490. 

 Arcella, 905 ; gas bubbles in, 



901. 

 Archaeopteryx, 63 et seqq., 



380 ; v. Aves, Columba. 

 Archenteron, xxvi. 

 Archerina, 916. 

 Archi-annelida, 210, 613-616. 

 Archi-chaetopoda, 609-610. 

 Archicoele, xxix. 

 Archigetes, 665. 

 Archizoea, 304. 

 Arctoidea, 368. 

 Arcyothrix, 904. 

 Argillornis, 381. 

 Argonauta, 465. 



Arion, shell-sac, 473. 



Aristotle's lantern, 560. 



Arms of Cephalopoda, 456. 



Arthrobranchia, 182. 



Arthropoda, 490-497 ; plate 

 and description, 298-305. 



Articular, v. Lower jaw. 



Artiodactyla, 368. 



A scan's nigrovenosa, v. An- 

 giostomum. 



Ascidia, dissection of, 102- 

 107. 



Ascidiacea, 447. 



Ascidiadae, 447. 



Ascidiozooid, 441, 446. 



Asconidae, 809. 



Aspergillum, 484 ; mantle 

 cavity, 129. 



Aspidochirotae, 553. 



Astacus, 162-190 ; external 

 characters, 162-164 ; in- 

 tegument, 164-166 ; ce- 

 ment glands, 1 66 ; ecdysis, 

 167, 171 ; appendages, 167- 

 176; circulatory system, 

 179-181 ; branchiae, 182, 

 183 ; digestive system, 178, 

 1 83-1 85; green gland, 185; 

 reproductive system, 186; 

 nervous system, 187-189; 

 plate and description, 306- 



309- 



Asterias, 190-196 ; external 

 characters and skeleton, 

 190-192; perisome, 192; 

 water- vascular system, 193 ; 

 blood vascular system, 

 194 ; internal anatomy, 

 195, 196 ; plate and de- 

 scription, 310-313; orien- 

 tation, 312. 



Asterina gibbosa, develop- 

 ment of mouth and anus, 

 549 5 cf. 312. 



Asteriscus, 86. 



Asteroidea, 563-566 ; v. As- 

 terias. 



Astragalus, v. Tarsus. 



Astrorhizidae, 895. 



Astroides, development, 739. 



Atlantacea, 482. 



Atrial cavity, Asctdia, 103. 



Atrial pore of Urochorda, 



443- 



Atrium (Medusa), 247. 

 Atrochae, 605. 

 Auditory vesicles, v. Otocyst. 

 Auricularia, 548. 

 Autophagi, 380. 

 Autostylic, 96. 

 Autozooid, 730. 

 Aves, 373-381 ; teeth of, 



375 ; v. Columba. 



Avicularium, 237. 

 Axifera, 732. 

 Azygobranchia, 482. 

 Azygos fins,v. Fins unpaired. 



B. 



Balanoglossus, v. Entero- 

 pneusta. 



Bartholini, glands of, 36. 



Basi-branchial, 93. 



Basi-branchio-stegal, 93. 



Basi-hyal, 93. 



Basipodite, 163. 



Basitemporals, 62. 



Basommatophora, explana 

 tion of name, 120; 483. 



Bathybius, 920. 



Batoidei, 430. 



Bdellostoma, 437. 



Belemnitidae, 465. 



Beroidae, 720, 724. 



Bidder's organ, 406. 



Bipinnaria, 548, 566. 



Birgus, lungs of, 541. 



Birotulate spicules, 250. 



Bivium, 191, 550. 



Blastocoele, xxv. 



Blastoderm, xxvi. 



Blastoidea, 577-578. 



Blastomere, xxv. 



Blastopore, xxvi, xxviii ; per- 

 sistent, Vertebrata, 335. 



Blastostyle, 246, 757, 762. 



Blastula, xxv. 



Blood, acid in Caterpillar, 

 150. 



Bone in Teleostei, 102. 



Bonellia, dimorphic male, 

 623. 



Botryllidae, 447. 



Botryoidal tissue of Hiru- 

 dinea, 215, 630. 



Brachiolaria, 548, 566. 



Brachiopoda, 691-703. 



Branchiae, dermal, of Aster- 

 oidea, 564. 



Branchiae of Trilobite, 524. 



Branchial arches, Teleostei, 

 93 ; Elasmobranchii, 273 ; 

 Vertebrata, 338, 349 ; Rep- 

 tilia, 383 ; Amphibia, 397 ; 

 Pisces, 414; of Cyclostomi, 

 433. 



Branchial sense organs, 345, 

 393,394, 396,4io; in Te- 

 leostei, 85. 



Branchiobdella, 6 1 1 n. 



Branchiopoda, 539. 



Branchiostegal rays, 93, 414. 



Branchiostegite, 163, 536. 



Brood-capsules, 231. 



' Brown body,' Polyzoa, 709. 



