304 



SUBJECT INDEX 



Pituitrin, 



and calcium, 245, 246, 249 



antidiuretic fraction, 210, 211 



oxytocic fraction, 68 

 Plant hormones, 2, 3 

 Plasmosol phase, 74 

 Platyhelminthes (flat worms), 12 

 Plecoptera (stone flies), 30 

 Pleuronectidae (flat fish), 83, 110 

 Pores, ultramicroscopic, and ADH, 



233, 235, 239 

 Porifera (sponges), 4, 167 

 Post-commissure organs, 24, 25, 



29,90 

 Potassium, K+ {see Ions) 

 Pouch, from fundus of stomach, 

 119, 121, 122 



from pylorus, 119, 120 

 Precursors of hormones, 91, 140 

 Pregnancy (and gestation), 64, 150, 



151, 152 

 Preoptic nucleus, 33 

 Pro-, meso-, and meta-adenohy- 



pophysis, 40 

 Progesterone, 



actionsof,64, 128ff., i29, 152, 153 



endocrinokinetic control of, 133, 

 150ff., 157, 162 



source of, 50 

 Prolactin, LSH, 128, 129, 130, 150, 



152, 153, 157, 160, 161 

 Pronephric ducts, 52, 227 

 Protective, coloration, 70, 84 



responses, 259 

 Protein, 



anabolism, 199, 201 



catabolism, 205, 249, 250, 251 



contraction of molecules, 80, 82 



digestion of, 125 



in moulting crabs, 202, 204 



metabolism, 10, 11, 135, 189, 

 190, 199ff., 200, 202, 252 



of chromatophores, 74 



restraint of catabolism of, 190, 

 199ff., 204, 254, 257 



synthesis, 190, 203, 205, 249, 

 252, 253, 254, 255 

 Prothoracic gland hormone (se 



Moult-promoting) 

 Prothoracic glands, 



and metabolism, 183ff., 190, 195, 



241, 251 

 as source of ecdysone, ^,18, 30, 



38 

 endocrine control of, 133, 135if., 

 255, 258 

 Prothoracotrophin, 12, 136, 137, 

 156, 184, 258 (see Intercere- 

 brum, for source) 

 Protocerebrum, of Arthropoda, 22, 



24, 25, 30, 31 

 Protochordata, 47, 173, 174 

 Proventriculus of birds, 122 

 Pupae, in diapause, 137, 184, 185 



Reflecting cells, 77 



Regeneration, 8, 11, 135 



Release mechanisms for secretions, 



258 

 Renal calculi, and Ca metabolism, 



243 

 Reproduction, 148flf., 151ff. 

 Reptilia, 33, 36 (see also Chelonia, 

 Lacertilia and Ophidia) 

 and kinetic hormones, 74, 83, 85, 



94, 107, 109, 110, 124 

 and metabolic hormones, 169y 

 193,205,215,237 

 Respiration, 8, 10 

 aerobic, 209 

 and cytochrome c, 182 

 cyanide stable, 182 

 decreased rate of, 168, 169, 171, 



178ff. 

 increased rate of, 8, 168ff., 169, 

 172 

 Respiration-inhibiting hormone, 

 178, 179, 180, 254 



