INDEX. 



ACANTHAHCHUS POilOTIS, 41o 

 Acantliocepbali, 105, 175 

 Acantlioglossus Bruijaii, 57u 

 Acarina, 359, 38G 

 Acliorutes nivicola, 304 

 Acineta, 34 

 Acipenser sturio, 437 



development of, 437 

 Acrania, 401, 405 

 Adheres Carpenter!, 398 

 Actinia, 74, 78 

 ActiuopUrj's sol, 27 

 Actinospliaerium, 20 • 



Actiaozoa, 74, 91 



bvidding of, 77 

 Adaptation of animals to tlieir 'sur- 

 roundings, 10 

 Adder, puff, 499 

 jEgineta, 63 

 ^olis pilata, 205 

 jEpyoniis, 538 

 Agamogenesia, 54 

 Agelacrinus, 108 

 Ai, 579 



Aix aponsa, 543 

 Albatross, 543 

 Albertia, 179 

 Alca irapennis, .541 

 Alcyonaria, 85, 91 

 Alectorides, 544 

 Aletia, 379 

 Alewife, 450, 451 

 Alligator Mississippiensis, 514 

 Alopecias vulpes, 430 

 Alosa sapidissiraa, 450 

 Alpheus, 315 



Alytes obstetricaus, 484 

 Amaroecium, 200 

 Ambergris, 593 

 Amblyopsis spelasus, 453 

 Amblyrliyncbus, 504 

 Amblystoma mavortium, 479 

 Amia calva, 433 

 Amiurus lynx, 443 

 Ammocoetes, 410 

 Ammonites, 280 

 Amceba, 3, 17, 23 

 Ampelis cedrorum, 555 

 Amphibia, 464 

 Amphioxus, structure of, 4C5 



development of, 407 

 Amphipoda, 305 

 Amphisbaina, 503, 503 

 Amphitrite cirrata, 330 



ornata, 239 

 Ampullae of Echinoderms, 97 

 Aiiabas scandens, 457 

 Anadromous fishes, 451 

 Analogy, 13 

 Anas bosclias, 543 



obscura, 543 

 Anchitherium, 002 

 Ancistrodon contortrix, 500 



piscivorus, 500 

 Andrena, 384 

 Andrias Scheuchzeri, 479 

 Anemone, sea, 74 

 Angle, facial, 030 

 Angler, 443, 400 

 AnguiUa acutirostria, 446, 

 Anguillula aceti, 170 



tritici, 170 



