SUBJECT INDEX 



309 



Tritocerebrum of Arthropoda, 24, 

 25, 28, 30 



Trophic hormones, 9fF., 132 (see 

 also Endocrinokinetic hor- 

 mones) 



Tropic hormones (see Trophic 

 hormones) 



Tryptophane, 125 



Tyramine, 22, 38, 71, 73 



Uca, chromactivating hormones 

 of, 57 

 for black pigment, UDH and 



ULH, face 83, 98, 99 

 for red pigment, URCH and 



URDH, 89, 93, 98, 99 

 for white pigment, UWCH and 

 UWDH, 95, 96 

 Ultimobranchial bodies, 46, 47, 48, 

 49,241, 243ff., 251 

 compared with parathyroids, 244, 

 256fr. 

 Uhra-violet Hght and Ca, 246 

 Urea, 227, 234 

 Ureters, separate collection of 



urine from, 238 

 Uric acid, 237 



Urine, 214, 231, 234, 235, 237, 239 

 hypertonic, 238, 239 

 hypotonic, 206, 225, 227, 239 

 output, 216, 229, 238 

 Urochordata, 173 



Urodela (Necturus and sala- 

 manders), 35, 36, 41, 128, 193 

 Uterine glands, 128fr., 129 

 Uterus, face 62, 64,65, 151 



Vagal nerve endings, 239 



Vagus nerve, 45, 62, 64, 121, 123, 



124, 125, 127 

 Vas deferens gland, 5, 132 

 Vascular constrictor, 239 (and see 



Vasopressin) 



Vascular hormones, 3, 4, 6, 11, 19, 



20 et seq. 

 Vascular plexus, 36, 41, 42 

 Vascular plexus in cortex, 53 

 Vascular system, 67 

 Vascular tissue, 119 

 Vasoconstriction , 



in Cephalopoda, 116 

 in Vertebrata, 66, 67, face 68 

 Vasodilation, 66, face 68 

 Vasopressin, ADH, 58, 67, 157, 

 159, 211fn., 230, 234, 239 (see 

 also Antidiuretic hormone) 

 Venous plexus of pituitary, 36, 41 , 



42 

 Ventral gland, 30, 30, 133, 135 

 Vertebrata, 2, 7, 5, 11, 12 (and see 

 Agnatha, Amphibia, Aves, 

 Elasmobranchii, Fish, Mam- 

 malia, Reptilia and Teleostei) 

 and balance of Ca and P, 240, 

 241, 243ff., 247, 249, 250ff. 

 and balance of electrolytes and 

 water, 208, 209ff., 214, 216, 

 220, 225ff., 230ff., 238 

 and chromatophores, 83, 86, 87, 

 94, 102fr., 104, 106, 109, 110 

 and control of endocrine glands, 

 132, 133, 139ff., 145, 156, 

 157, 159, 160ff., 254, 255 

 and control of metabolic hor- 

 mones, 253, 254, 255, 257, 

 259 

 and exocrine glands , 66, 115,116, 

 117, 118, 120, 122, 123, 

 125, 128ff., 129, 130ff. 

 and intermediary metabolism, 

 185ff., 187, 188, 189, 190, 

 191ff., 195ff., 196, 205 

 and muscles, 56, 58, 59, 61ff., 



63ff., 70 

 and respiration, 167, 168, 169, 



173ff., 175, 176, 185 

 sources of hormones in {see 

 Sources) 



