INDEX 



Adaptations, 105, 155 



Adder, 2, 146 



Advertisement, coloration as, 73 



Affection, origin of^ 131 



Afterbirth, i65 



Agoraphobia, 234 



Agouti, 320 



Albatross, 104 



Albumin in milk, 185 



Alcohol, 186, 234, 336 



Alligator, 144, 196 



Alpaca, 46, 93, 218 



Alytes, brood-care, 141 



Amblystoma, 60 



AmcEba, 5, 233 



Amphiuma, breeding habits, 140 



Anaconda, 197 



Ancestral and adaptive characters, 8, 



323 

 Andrena, 33 



Angler, marbled, nesting habits, 137 

 Aniline dyes, 112 

 Animalcula, tropisms of, 234, 235 

 Anteaters, 163, 178, 230 

 Antelopes, 46, 75, 115, 170, 171, 219 



American, 91 



angas, 91 



striped, 78 



tragelaphine, 89 



coloration, 88 



rump patches, 71 



sexual coloration, 69 



skin glands, 184 

 Antennarius marmoratus, 137 

 Anthophora, 33 

 Antlers of deer, 12, 46 

 Ants, 73, 128, 132, 205 



C.A. 



Ants, white, 135 



Anura, 18 



Apes, consciousness, 353 



milk of, 188 



tricks of, 253 



anthropoid, 38, 39, 148, 165 

 Aphides, 133 

 Appetite, 193 

 Apteryx, 104, 153 

 Aquarium, 233 

 Aristotle, 137 

 Armadillo, 8r, 179, 220 

 Armour of extinct mammals, 81 

 Arrau-turtle, 143 

 Arthropods, 30 

 Ascidian, 20 



Ash of milk and flesh, 186 

 16, Aspredo, 138 



Asses, 45, 75, 95, 172, 217 

 Attention, 202, 250 

 Auk, 149, 154 

 Automatism, 6, 228, 229 

 Avocet, 102 

 Axis deer, 92 

 Axolotl, 60 



Babirussa, 93 

 Baboons, longevity, 39 

 Background, patterns matching, 78 

 Bacteria as external parasites, 82 

 Bactrian camel, 93 

 Badgers, 42, 79, 87, i6g 

 Bandicoot, 129 

 Banteng, 88 

 Barasingha deer, 92 

 Barbets, 153 



Barley-water for diluting milk, igr 

 257 R 



