INDEX 



Niimhers in ordinary type refer to pages 

 list of referetices. 



those in italic refer to the 



AcanthQmyops flavus, 50 



Accipiter atricapillus , 123 



Adams, 3, i 



Adamson, 138 



Adenota leticotis, 183 



JEshna, 184 



Agouti, 66 



Agromyzid fly, 55 



AIgs, calcareous, 14, 29 



Allee, 129, 6 j 



Amblyrhynchus, 67 



American Bureau of Biological 



Survey, 6 

 Anacharis canadensis, 112 

 Anas creccay 24 

 Anax guttatus, 157 

 Animals, influence of, on plants, 16, 



22,30, 31, 51 



Ann AND ALE, 6 



Anopheles btfurcatus, 46 



— maculipennis, 46 



— plumbeus, 46 

 Ant, driver, 63 



Ants, 50, 51, 52, 125, 126 



Anurida maritima, 92 



Aphids, 63, 66, 96, 126, 128, 129, 



157, 158 

 Apode7nus sylvaticus, 12, 13, 43 

 Arbacia punctulata, 129 

 Army worm, 54, 55 

 Aru blackbird, 67 

 Asio flammeus, 119 

 Aspen, 48 

 Austin, 47, 57 



Bacteria, 78 

 Bacteriophage, 78 

 Bailey, 74 

 Baker, 15, 104 

 BalanuSy 24, 29 



Bamboo, flowering, 132 

 — rats, 132 

 Bandar, 152 

 Barnacles, 24 

 Barrows, 160, jj 7 

 Bats, 88 

 Baty, du, 60 

 Baxter, 131, 65 

 Bear, black, 90 

 — , Kamskatkan, 96 

 — , polar, 74, 121 

 Bear Island, 58 

 Beaver, 47, 138, 139 

 Beebe, 126, 154, 36, I2y 

 Bee-eater, 65, 122 

 Bell, i4g 

 Benthos, 13 

 Berg, 104, 113 

 Berlenga Island, 114 

 Bird migration, 152, 160 

 Birds and cold winters, 131 

 Birds as dispersal agents, 155 

 Birge, 70, 174, 93 

 Bison, American, 105, 106 

 Blackberry, iii 

 Boar, wild, 140 

 Bombus lapidarins, 51 

 Bos caffeTy 145 

 BoYSON, yy 

 Brehm, 6S 

 .Brooks, 140, 80 

 Brown, 19 



Buffalo, African, 67, 145 

 — , Burmese, 46 

 Bulstrode, yi 

 Buteo galapagoensiSy 184 

 Butorides sundevalli, 126 

 Butterflies, 109, 128 

 Buxton, 88, 2 

 Buzzard, 124 



