INDEX 



163 



Psychic behaviour in sex reversal, 



130 

 Psychical changes at puberty, 59 

 Puberty, 58-9, 87-8, 98; in boys, 



58 ; in girls, 58 ; in animals, 



59 

 "Puberty gland," 94, 101, 111, 



112 

 Pubis, bone of, 15 

 Puerperal fever, 82 

 Puerperium, 77 ff., 81 



Quadruplets in man, 142 

 Quagga, telegony in, 121 

 QUAIN, 60 

 Queens, bee, 11 

 " Quickening," 75 

 Quintuplets in man, 



142 



Rabbit, 38-40, 47, 50-1, 56, 59, 62, 

 101-4, 107-9, 113, 138, 146; 

 medulla in, 110-11 ; ovary of, 27 ; 

 extracts of ovary of, 109 ; period 

 of gestation, 76 ; suprarenals, 

 110-11 ; uterus in, 30, 103 ; 

 virgin, 104-5 



Ram, 18, 137 ; filiform appendage 

 to penis in, 25 ; spermatozoa in, 

 7 ; see also Sheep, etc. 



Rat, 50, 59, 106, 108, 130, 139, 140, 

 143 ; cycle of, 49 ; kidney after 

 ovario -transplantation, 100 ; ova 

 in at birth, 146 ; ovarian trans- "^ 

 plantation, 130 ; period of gesta- 

 tion, 76 ; testicular transplanta- 

 tion in, 92 ; uterus of, 31 ; uterus 

 after ovariotomy, 99 ; vasec- 

 tomy on, 112 



Recessive characters, 116 



" Reduction division," 37 



Reflex, tail erect, in guinea-pigs, 

 130 ; kick guarding reflex, 130 



Regeneration of lost parts. 4 

 Rejuvenation and gonads, 111-13 ; 



testicular influence. 111; ovarian 



influence. 111 ; injecting extracts, 



111 

 Renal tubule, 100 

 Rennet, 83 

 Reproduction, sexual, 3 ; asexual, 



3 

 Reproductive cells, 3 ; dimorphic, 



6 

 Reproductive organs, 8 : change in 



size, 13 ; functions, restraint over, 



148 ; in higher animals. 15 if. 

 Reptiles, allantois in, 64 

 Rhinoceros, penis in, 25 

 Ringer's solution, 109 

 Robinson, 101 

 Rodents {Roderitia), 25. 41, 49 ; 



gestation in, 76 ; secretion of 



vesicular, 20 

 Roe-buck, experiments, 93 

 Rontgen buck, 93 ; rays, see X-Rays 

 Rouen drake, normal, 96 : duck, 



normal, 97 ; duck, ovariotomised, 



97 

 ROUTH, 80 

 Rut, 17, 24, 41, 113, 122; after 



castration, 88 ; see also Heat and 



CEstrus 



Sacculina, 130 



Sacral vertebrae, 15 



Sacrum, 15, 16 



Salamander, regeneration of lost 



parts, 4 ; inheritance in, 120 

 Salivary glands, 34, 85 

 Salts, 2^1 ; in milk, 83 

 Sand, 92, 112, 130 

 Sapphist, 128 

 Saturation, 121-2 



SCHAFER, 7 



Schroder, 57 



Scottish Blackface sheep, 49. 89 

 Scrotum, 16, 25 ; in insectivora, 17 ; 

 in rodents, 18 ; in man, 19, 41 



