668 



INDEX. 



Agnus, 2432. 

 Agoniates, 2172. 

 Agonoinalus, 242^. 

 Agonopsis, 242-. 

 Agonostomus, 231-. 

 Agonus, 2422. 

 Agoutis, 6352. 

 Agrauiimis, 242'. 

 Agriochoerus, 578, 585'. 

 Agriopus, 242'. 

 Ahlia, 2251. 

 Ai, 5442. 

 Ailia, 2212. 

 Aipichthys, 239'. 

 Aipysurus, 370'. 

 Air-bladder, occurrence 

 and function of in 

 Teleostei, 200, 204. 



Air-sacs, Balaena, 513 ; 

 birds, 444. 



Aistopoda, 315i. 



Akodon, 634'. 



Akysis, 2212. 



Alactaga, 6342. 



Alauda, 4752. 



Alausa, 2142. 



Albacore, 2382. 



Albatross, 461'. 



Albula, 206, 2142. 



Albulichthys, 2192. 



Alburnus, 2202. 



Alca, 468'. 



Alcedo, 471'. 



Alces, 5892. 



Alcidea, 242'. 



Alcyone, 471i. 



Aldrovandia, 2272. 



Alectis, 2392. 



AlepidosauruR, 226'. 



Alepisaurus, 226'. 



Alepocephalus, 2142. 



Aleposomus, 2142. 



Alestes, 2172. 



Algiroides, 353'. 



Allacodon, 5412. 



Allantoic artery and 

 vein, 521. 



Allice-shad, 2142. 



Alligator, 3832. 



Alligatorellus, 3822. 



Alligatorium, 3822. 



Allodon, 5412. 



Allosaurus, 385'. 



Allotheria, 541. 



Allulandina, 3682. 



Alopecias, 125, 152'. 



Alopias, 152'. 



Alopoglossus, 3522. 



Alosa, 208, 2142. 



Alouata, 657'. 

 Alpaca, 587'. 

 Alsophylax, 349'. 

 Altrices, 451. 

 Alula, 424. 

 Alutera, 247'. 

 Alytes, 264, 293, 395, 



29(J, 310'. 

 Amastridium, 368' . 

 Ambassis, 2342. 

 Ambergris, 562 1. 

 Ambliceps, 2212. 

 Ambloplites, 2341. 

 Amblotheriuiii, 5402. 

 Amblycephalus, 371'. 

 Amblyodipas, 3682. 

 Amblyopsis, 227' ; 

 habits, 92. 



Amblyopus, 241'. 



Amblyornis, 477'. 



Amblypharyngodon, 

 2192. 



Amblypoda, 603. 



Amblyrhynchichthvs, 

 2192. 



Amblyrhynclius, 3502. 



Amblystoma, 260, 27i 

 280, 306'. 



Ameiurus, 2212. 



Ameiva, 345, 3522. 



Ametrida, 6482. 



Amia, 160, 161, 

 164, 166, 182 ; 

 nection of testis 

 kidney, 89. 



Amiichthys, 2342. 



Amioidei, 180. 



Amitra, 2422. 



Amiurus, 2212. 



Animocoetes, 9t 

 lU. 



Ammocrypta, 2342. 



Ammodorcas, 591 1. 



Ammodytes, 231'. 



Ammopleurojis, 2402 



Amnion, false, 518. 



Amorjjhochilus, 648' 



Ampelis, 4762. 



Ampliiardis, 3662. 



Amphibamus, 315'. 



Amphibia, 263. 



Amphibolurus, 350'. 



Amphicoelous, 59. 



Amphictis, 6202. 



Am]ihicyon, 622'. 



Ani])liianathodon, 

 31 iC 



Amphilestes, 540'. 



Amphimeryx, 585'. 



162, 

 con- 

 to 



113, 



Amphioxvis, 10, 13, 31 ; 



connective tissue of, 



15 ; fin-rays of, 16 ; 



development of, 31 ; 



habits, 1 1 ; oral cirri, 



1 1 ; metaiileural folds, 



12 ; atrial ])ore, 12. 

 Amphiperatherium, 



539'. 

 Amphi]mous, 200, 20G, 



2222. 

 Amphiprion, 2372. 

 Am ] ihiproviverra, 541 ' . 

 Amjihisbaena, 335, 353^> 



353. 

 Amphisile, 229'. 

 Amphistium, 239'. 

 Amphistylic, 63. 

 Amiihitherium, 540, 



540'. 

 Amphitragulus, 5892. 

 Amphiuma, 269, 280, 



290, 305. 

 Ani]ihodus, 3112. 

 Amplorhinus, 3682. 

 AmpuUary canals, 79. 

 Aravnodon, 6OI2. 

 Anabas, 183, 232' r. 



breathing, 92. 

 Anableps, 196, 227'. 

 Anacanthini, 232. 

 Anaconda, 3652. 

 Anacrytus, 2172. 

 Anadia, 3522. 

 Anadromous, 91. 

 Anaides, 306'. 

 Anampses, 238'. 

 Anapterus, 226'. 

 Anaptomorphus, 653'. 

 Anarhynchus. 467'. 

 Anarosaurus, 3972. 

 Anarrhichas, 244'. 

 Anarrhichthys, 244'. 

 Anas, 463'. " 

 Anastomus, 217'. 

 Anchilophus, 598'. 

 Ancliip]>odus, 608'. 

 Aiichisaurus, .:^.S'^, 365. 

 Anchithcrium, 5972, ,595, 

 Anchovia, 214'. 

 Anchovy, 214'. 

 Ancient living genera, 

 150, 234, 258, 4132, 

 563, 571, 5811, 5932^ 

 6011,6201, 6221, 624i. 

 Ancistrodon, 3712. 

 Ancodus, 5832. 

 Ancylodon, 2352. 

 Ancylopoda, 609. 



