INDEX 



153 



Caul, 77 



Cautery, 102 



Cell multiplication, 124 



Cells, 1, 2 ; outer layer of, 1, 2 ; 



inner layer, 2 ; specialised, 3 : 



division of, 10 

 Cephalopod molluscs, 12 

 Cerebro-spinal fluid, 109 

 Cervix uteri, 32, 47, 74, 77, 82, 



107 

 Chadwick, 75 

 Chaffinch, 134 

 Chamfy, 129, 135 

 Chance in gametic union, 12 

 Character-pairs, 1 18 

 Cheek of cat after castration, 90 

 Chemotoxis, 10 

 Chick, intersexuality in, 132 

 Chimpanzee's testis, 94 

 Chlorides in milk, 83 

 Chlorophyll, 140 

 Choiio-allantoic membrane, 132 

 Chorion, 62-4, 66-7, 70, 72-3, 131-2 

 Chorionic membranes, 131 ; villi, 



72-3 

 Chi-omatin, 35, 115; filaments, 



116 

 Chromosomes, 35-6, 115-16, 118-19, 



121, 124-7, 129-30, 132-3, 135, 



140, 141 

 Cilia, 28, 60 

 Ciona intestinalis, 11 

 Circulatory system, influence on 



testis, etc., 92 

 Circumcision, 119 

 Cirrhipede, Sacculina, 130 

 Climacteric, 58, 98 

 Clitoris, 33, 38, 127-8; in sex 



reversal, 130 ; in free-martins, 131 

 Cock, castrated, ovarian implanta- 

 tion, 130 

 " Cock-feathering " of hens, 128 

 Cod, spawning of, 146 

 Ccelom, 62-3, 66 

 Coition, 38-40, 55-6, 143-4 ; during 



pregnancy, 142 ; normal, 39 ; 



likelihood of fertile, 56 

 Cold, effect on sexual instincts, 13 



Colloid concretions, 21 



Colostrum, 83 



Colour by maternal impressions, 



122 

 Colouring of birds and insects, 



126 

 Colpoda steini, 6 

 Comb of birds after castration, 90-1, 



95 ; after injections, 93 

 Conception, maternal impressions, 



122 

 Conjugation, 4, 6, 11, 37, 115, 123-4 ; 



rejuvenating influence of. 5 

 Connective tissue, 27-9, 43, 47, 94 

 Constipation, 75 

 Consummation of sexual act, 38 

 Contraceptive practices, 40, 148 

 COPEMAN, 93 

 Copulation, 12 ; during cestrus, 



136 

 Corals, 3 

 Cornea uteri, 30 

 Corner, 46, 53, 56, 105-6 

 Coipus cavernosum, 22, 24 

 Corpus luteum, 27, 29, 43-5, 48-51, 



53, 55, 74, 81, 84, 100, 106, 108-9, 



113, 131; function of, 101; as 



organ of internal secretion, 101 

 Corpus luteum spurium, 48, 74, 84, 



103-6, 108 

 Corpus luteum verum, 48, 109 

 CoT'pus spongiosum^ 22, 24 

 Corpus uteri, 30 

 COURRIER, 101, 129 

 Courtship, 38 

 Cow, 41, 45, 50, 59, 70, 74, 84, 101, 



142-3 ; corpus luteum of, 108 ; 



head of castrated, 94 ; period of 



gestation, 76 ; teats, 34 ; twins 



m, 130, 132 ; uterus in, 30 

 Cowper's glands, 22 

 Crab, parasitic castration of, 129 ; 



spermatozoa in, 7 

 Cramer and Mottram, 111 

 Crew, 128-9, 133 

 Cross-breeding, 140-1 

 Cross-fertilisation, 11 

 Cross-sterilitv, 141 



