286 



SUBJECT INDEX 



Blood-salts, 206, 214 



concentration of, 208, 209ff., 



220ff.,240ff., 242,242 

 dilution of, 208, 218ff., 228ff., 

 241, 247, 247ff., 252 

 Blood-sugars, 67, 130, 142, 190 

 decrease of, 195fi., 196, 198 

 increase of, 189fT. 

 in Crustacea, 189ff., 192 

 in Insecta, 191, 195, 251 

 in Vertebrata, 191ff., 194, 195ff., 

 196, 198, 253 

 Blood supply, 



of adrenal cortex, 52, 53 

 of neurohypophysis, 35 

 of pituitary, 36, 41 , 42 

 of thyroid glands, 48 

 Blood transfusion, 13, face 62, 73 

 Blood vessels, 



hormonal control of, 67, face 68, 



230 

 hormones released into, 20, 34, 

 38, 39, 52, 180 

 Body fluid in Teleostei, 235 

 Bone, calcium in, 240, 247 

 phosphates in, 249, 252 

 Brachyura, 25, 80, 87, 93, 94, 95, 

 98 (and see "crab" in Animal 

 Index) 

 Brain, action in diapause, 137, 183 

 Brain as source of kinetic hormones, 

 in Crustacea, 22, 24, 25, 59, 69, 



87,98 

 in Insecta, 5, 30, 31, 61, 62, 63, 



75, 156 

 in Octopoda, 73 

 in Vertebrata, 33ff., 64, 106 

 Brain as source of metabolic hor- 

 mones, in Crustacea, 168, 169, 

 178, 191, 254 

 in Insecta, 190, 203ff ., 208, 222ff ., 

 223, 224, 254 

 Brain as source of prothoracotro- 



phin, 22, 136, 137, 184, 258 

 Brain, development of, 48 



neurosecretion from, 61, 62, 63, 



139 

 neurosecretory cells of, face 23, 

 24, 25, 26, 30, 31, 62, 136, 

 138, 188, 203, 223 

 sectioning nerves from, 61, 62, 

 183, 257 

 Brain-extract, 25 



in Crustacea, 168, 186 

 in Insecta, 102, 223, 224 

 Brain hormones (see Brain as source 



of hormones) 

 Brain structure, 



in Crustacea, 23ff., 24, 26 

 in Insecta, face 23, 29ff., 30 

 in Vertebrata, 33ff., 34, 36, 48 

 Breeding season, 149ff., 259 

 Brownian movement, 74 

 Brunner's glands, 126, 127 



Calcareous kidney stones, 243 

 Calcium, balance of, 240ff., 241 

 decrease in blood, 247ff. 

 increase in blood, 240ff., 245 

 in Crustacea, 135, 240ff., 242, 



247ff., 248 

 in Insecta, 243 

 in Vertebrata, 130, 142, 243ff., 



247, 248 

 ions, Ca++ (see Ions) 

 seasonal variations in, 244 

 Calcium-decreasing hormone, 248 

 Carausius-darkening hormone, 75ff , 



76, 108, 153 

 Carausius -lightening hormone, 77 

 Carbon-dioxide, as parahormone, 2 

 Carbohydrate metabolism, 8, 144, 

 189ff., 190, 205 (and see Blood- 

 sugars) 

 Carnivora (carnivores), 194, 194 



(and see Canis and Felis) 

 Carrier, for hormone, 21, 28, 35 



for ions, 206 

 Cell membrane, 196, 206 



