INDEX. 



ACANTHABCHUS POMOTIS, 443 



Acanthocepbali, 165, 175 

 Acanthoglossus Bruijnii, 573 

 Aciiiina, 339, 366 

 Achonites uivicola, 344 

 Acineta, 34 

 Acipenser stuvio, 427 



development of, 427 

 Acrania, 401, 405 

 Actheres Carpenter!, 278 

 Actinia, 74, 78 

 Actinoplirys sol, 27 

 Actinosphserium, 26 

 Actinozoa, 74, 91 

 Adaptation of animals to their 



surroundings, 10 

 Adder, puff, 499 

 ^glneta, 62 

 ^olis pilata, 345 

 ^pyornis, 538 

 Agalmopsis, 70 

 Agamogenesis, 54 

 Agelacrinus, 108 

 Ai, 579 



Aix sponsa, 543 

 Albatross, 543 

 Albertia, 179 

 Alca impennis, 541 

 Alcyonaria, 85, 91 

 Alectorides, 544 

 Alalia, 359 

 Alewife, 450, 451 

 Alligator Mississippiensis, 514 



Alopecias vulpes, 430 

 Alosa sapidissima, 450 

 Alpheus, 305 

 Alytes obstetricans, 484 

 Amarcecium, 300 

 Ambergris, 598 

 Amblyopsis spelaeus, 433 

 Amblyrhynclius, 504 

 Amblystoma mavortium, 479 

 Amia calva, 433 

 Amiurus lynx, 443 

 Ammoccetes, 410 

 Ammonites, 280 

 Amoeba, 3, 17, 23 

 Ampelis cedrorum, 555 

 Amphibia, 464 

 Amphioxus, structure of, 406 



development of, 407 

 Amphipoda, 285 

 Ampliisbaena, 503, 503 

 Amphitrite cirrata, 216 



ornata, 219 

 Ampullae of EcUinoderms, 97 

 Anabas scandens, 457 

 Anadromous fishes, 451 

 Analogy, 13 

 Anas boschas, 543 



obscura, 543 

 Anchitherium, 602 

 Ancistrodon contortrix, 500 



piscivorus, 500 

 Andrena, 364 

 Andrias Scheuchzeri, 479 



