Abalone, 232 

 Acanthia lectularia, 395, *3g6 

 Acanthocephala, 87 

 Acarina, 209 

 Achroia grisella, 196 

 Acipenserida;, 247 

 Acropora muricata, *67 

 Actinozoa, 67 

 Adaptation, 346 

 Adelochorda, 237 

 Adoxus viiis, 466 

 Aegcria tipuliformis, *^6g 

 African tick fever, 356 

 Agelina sp., *2og 

 Agkistrodon cantor trix, 270 



A. piscivoris, 270 

 Agrilus sp. injury, *5i3 



A. politus, 513 



A. ruficollis, 468 

 Alee americana, 303 

 Aleurodes citri, 451 



A. nubifera, 452 



A. howardi, 452 

 Alfalfa weevil, 502, *$O3 

 Alligator mississippiensis, 264 

 Alligators, 264 



Alternation of generations, 65 

 Alosa, 249 



Alsophila pometaria, 429 

 Amblyomma variegatnm, *2ii 

 Amblystoma tigrinum, '257 

 Ammophila, *i83 

 Amoeba, structure and habits, 



* 2 6 

 Amceba dysentercz, 350, *35i 



A. mcleagridis, 351 

 Amcebic dysentery, 350 

 Amphibia, 239, 256, 257 

 Amphineura, 222 

 Amphipoda, 121 

 Anarsia lineatella, 435 



INDEX 



(Numbers marked with * indicate illustrations.) 



Anasa tristis, 487 

 Anas boschas, 332 



A. cinereus, 332 



A. cygmoides, 332 

 Anchovies, 250 

 Anguillidas, 249 

 Anguillula sp. *jg 

 Animals, branches and classes, 54 



classification, 48, 55 



domesticated, 321, 7 



denned, i 



names, 50 



Ankylostomiasis, 84 

 Annelida, 98 

 Anolis principally, 265 

 Anopheles, larvae, *37i 



A. maculipennis, *36o, *372 



wing, *372 

 Anosia plexippus, metamorphosis, 



"151 



Anseres, 280 

 Ant-eater, 300, 301 

 Antelope, 303 



Antennae, different kinds, *i3o 

 Anthonomus grandis, *4g8 



A. signatus, 473 

 Anthrenus scrophiilaritz, *4oi 

 Antilocapra americana, 303 

 Ant-lion, 167 

 Ants, 199, 398 



Argentine, 398, *399 



black, 399 

 25, nest, artificial, *2os 



pavement, 399 

 Anura, 256, 257 

 Aphididae, 437 

 Aphids, 437 

 Aphis, *4io 



grain, 496 



green, 439 



peach, 442 

 Si? 



