INDEX 



(Figures i through ii referred to in index will be found 



in center section of book.) 



Abdominal pores, 243 f . 

 Acadian disturbance, 86 f. 

 Acanthodii, 55 

 Acipenser, see Sturgeon 

 Actinopterygii, 71, 89 

 Adaptation, evolutionary, 15, 



17 f., 20 

 Adenohypophysis, 257 

 ADH, SEE Antidiuretic hor- 

 mone 

 Adolph, E. F., 160 

 Aglomerular fishes, 47 



fresh- water, 113 



list of. 111 

 Aglomerular kidney 



evolution, 105 f. 



function, 107 

 Agnatha, 27, 55 

 Air bladder, 84 

 Albatross (Diomedea), 169 f. 

 Alcohol, diuretic action, 145 

 Algoman revolution, 21 

 Allosaurus, 128 

 Alps, 8, 137, 179 

 Amia, see Bowfin 



p-Aminohippuric acid, 50 

 Ammonia excretion, 254-55 

 'Ammonotelic,' 253 

 Amniotes, 121 

 Amniotic egg, 120 

 Amphibia, 72, 85-86 



bibhography, 255 



Carboniferous, 93 



Devonian, 92 



evolution, Figure 8 



Permian, 93 



and pituitary gland, 257 



role of skin in salt and wa- 

 ter balance, 98 f . 



and salt water, 101 



salt and water balance, 41 

 Amphibioidei, 252 

 Amphioxus, 233 f ., 239, 243 f. 

 Anahas, 89 

 Anaspida, 27, 53 f. 

 Andes, 179 

 Anglaspis, 28 



Anguilla, see Eel, common 

 Animals that Live without 

 Water, 147 



