SUBJECT INDEX 757 



castration, 736-740 



hypophysectpmy, total, 705, 710-720, 713, 714, 715, 720 

 and pituitary transplants, 717-720 

 and thyroid extract, 714, 716-719, 720 

 of posterior lobe, 719-721 

 ovariectomy, 73S-739 

 parathyroid extract, 697-699 

 thyroid feeding, 664-677, 668, 670, 671, 691 

 thyroidectomy, 661, 677-697, 679, 682, 684, 686, 691, 692 

 before gland ablations, 658-663, 661, 679, 682, 684, 686, 705, 707, 714, 720, 735 

 maternal instincts and reactions among dogs, 11, 289—291 

 mating instincts among dogs, 70 

 and skull type, possible correlation of, 151, 273 

 whelping reactions, abnormal, 2S9-291 



Behavioral types, abnormal, effect of crossbreeding on, 637 

 English bulldog as an, 614, 616 

 cases of, 629 

 nature of, 614 

 summary of, 623 

 difficulties using salivary response in classification of, 539 

 discussion of, in salivary experiments, 568—575 



in motor experiments, 578—594 

 excitable, discussion of, 571, 591 



reaction of, to conditioned avoiding situation, 577, 578-590, 579, 586, 588, 

 605 

 to conditioned salivary situation, 540, 541, 542, 545, 546, 548, 550, 553-560, 

 555, 556 

 summary of, 632 

 intermediate, in bassethound-German shepherd hybrids, 605, 606, 609, 609 

 reaction of, to conditioned avoiding situation, 577, 579, 586, 589, 590-594, 

 605 

 to conditioned salivary situation, 560-568, 561, 563, 565, 566, 567, 617 

 lethargic, discussion of, 570, 593 



reaction of, to conditioned avoiding situation, 578—590, 579, 588, 605 



to conditioned salivary situation, 539-553, 540, 541, 542, 543, 544, 545, 

 546, 548, 550 

 summary of, 632, 640 

 mixed, effect of hybridization on production of, 636—637 

 nature of, 610 



systemic variation in, 642, 642 

 role of glands in production of, 746-747 



Birds, 27, 47-1 



Bloodhound, 13 



Body form, (see also growth, structural deviations) 

 as affected by castration, 19 

 and parathyroid pattern, 481-488, ol8-.")22 



