SUBJECT INDKX 



743 



Lycaon pictua, breeding season of, 50 sq. ; 

 period of gestation in, 51 



Lygceus bicrucis, X chromosome in, 673 ; 

 Y chromosome in, ib. ; synapsis, ib. ; 

 number of chromosomes in, ib. ; di- 

 morphism of spermatozoa in, ih. 



Lymantrin, intersexuality in crosses of 

 species of, 694 



Lyre-bird, phenomena associated with 

 breeding in, 27 



Lysine, 288, 304 sq. 



M 



Macacos, cestrous cycle in, 57 sq. ; period 

 of gestation in, 59 ; menstruation in, 

 89*7. 



Macacua cynomolgus, menstruation in, 58 



Macacus fascicularis, menstruation in, 58 



Macacus nemeatrinua, cestrous cycle in, 

 58 ; period of gestation in, 59 ; pro- 

 chorion of, 406 



Macacus rhesus, 269 ; breeding season in, 

 57 sq. ; menstruation iu, 58 ; menstrual 

 cycle in, 84 sqq. 



Macacus ainicua, menstruation in, 58 



Mackerel, spermatozoa of, 306 



Mocropua ruficollis, breeding season in, 36 



Macrocytes, 97 



Magnesium, in egg of fowl, 278 ; meta- 

 bolism of, during pregnancy, 519 ; in 

 foetus of man, 547 ; in pregnancy, 550 ; 

 in milk, f>94 ; in ash of pup, 595 ; in 

 milk of dog, ib. ; in serum of dog, ib. 



Maize, in- breeding in, 217 



Mojo, aquinado, vitellorubin in egg of, 

 294 ; pigment in egg of, ib. ; vitello- 

 lutein in egg of, ib. ; lipochromes of, 

 ib. sq. 



Malayan hedgehog, oestrous cycle in, 55 



Mammae in pregnancy, 559 



Mammalia, breeding season in, 24, 365 

 iq. ; periodicity in breeding in, 29 sq. ; 

 "rpus luteuin of, 146; fertilisation in. 

 182; cross-fertilisation in, 211 ; poly- 

 embryony in, 229; prostate gland in, 

 '2 \ 7 : respiratory quotient of embryos 

 of, 286 ; corpus luteum in non-placental, 

 :{(7 ; sex-determination in, 678; her- 

 maphroditism in, 689; longevity in. 

 722 



Mammary and foetal growth, relation 

 between, ti'i'.i .^(/i/. 



Mammary i_'lan<l. .">*<; ; cycle of, 372 aq. ; 

 numl>er of, in Centitea, 586 ib. ; in man, 

 ib. ; in guinea-pig, ib. ; in rabbit, ib. ; 

 position of, in Primates, ib. ; in Cheirop- 

 tera, H>. ; in Sircnia, ib. : in elephants, 

 -'/). : in sloths, ih. ; in Ungulata, ib. aq. ; 

 in (Vtaeea. .">86 ; of cow, ib. ; of sow, 



587 aq. ; of Monotremata, 587 ; of i 

 Echi'hiii. i/>. -. of male, ib. ; structure of. 



588 sqq. ; pigment of, ib. ; alveoli of, 



589 ; theories of secretion of, 5!>1 /'/. : 



normal growth of, 605 sqq. ; growth of, 

 in rabbit, ib. ; growth of, in horse, 606 ; 

 growth of, in man, 607 ; during preg- 

 nancy, in man, 608 ; development of, 

 during extra-uterine pregnancy, till; 

 effect of foetal extract on, ib. sqq. ; 

 secretion of, in virgins, 614 aq. ; during 

 pseudo-pregnancy, 616 sq. ; of pseudo- 

 pregnant rabbit, 617 ; in pseudo- 

 pregnancy, and in pregnancy, 617 sq. ; 

 growth of, in latter part of pregnancy, 

 618 ; before ovulation in rabbit, 619 ; 

 before ovulation in polyocstrous animals, 

 ib. ; correlation of, with generative 

 organs in guinea-pig, ib. sq. ; effect 

 of pituitary gland extract on, 621 ; 

 effect of placenta extract on, ib. 



Mammary growth, factors concerned in, 

 608 sq.' 



Mammary secretion, theories of, 591 sqq. ; 

 factors concerned in, 608 ; after 

 menopause, 615 



Mammary tissue of virgin rabbit, U 1 7 



Man, menstruation in, 59 sqq., 358 sqq. ; 

 oestrus in, 64, 132 ; evidence of 

 primitive breeding season in, 64 sqq. ; 

 menstrual cycle in, 74 sqq. ; uterine 

 mucosa in, 77, 81, 492 ; ova of, 123 aq., 

 tnl. I'.il. I'.U, 498; number of chromo- 

 somes in, 126 ; ovulation and menstrua- 

 tion in, 132 sq. ; discharge of ova into 

 Fallopian tube in, 135 ; formation of 

 corpus luteum in, 140 ; degeneration 

 of corpus luteum in, 147 ; cells of 

 Sertoli in, 163 ; spermatid in, ib. ; 

 spermatozoa of, 168 ; artificial in- 

 semination in, 170. 647 .*/. ; movements 

 of spermatozoa in, 173 aq. ; length of 

 vas deferens in, 239 ; uterus masculinus 

 in. 242 ; composition of ash in, 297 ; 

 composition of semen in, ib. ; effect 

 of castration in, 321 ., 323 ; ovario- 

 tomy in, 340, .'547 : transplantation of 

 ovaries in, 348 ; ovariotomy during 

 pregnancv in. :?7U ; yolk-sac in, 415, 

 425 sq. ; '- Haftstiel ' of. 4 -2:5. U4, 500 ; 

 embryo of, 426, 500; tubal pregnancy 

 in. t!)2 ; placenta of, ib. sqq. ; dccidna 

 serotina of, 493, 502; implantation 

 cavitv in. t!>:{ ; blastocyst of, 493, 

 496, " 498 ; < J< 'ucbspilz " of, 493 ; 



hypoblast of, ib. ; mesoblast of. ib. ; 

 trophoblast of, I'.il. r.ti; *</., 499; 

 syncytium of, 4!U ></. ; uterus of. (luring 

 pregnancy, l!C> ; " I Vt ritus/.oiic " of, 

 I'.Mi ; implantation cavity of. J'.tT ; 

 decidua of, 4!>7. I'.i'.i : mnpacta of, 498 

 sq. ; spongiosa of, 4!lh ; M Kikammer " of, 

 I'.i'.i ; L'lainls ilurin^ prc^naiic'v in, ib. ; 

 Xclls.iulen" of. r>(H; ' 11 a ft /.otten " 

 of, .">dl ; syiicytium of, 502 ; syinplasma 

 o|. il>. ; ' i'ihrinstreifen "' of, ib. ; 

 decidiial cells of, ib. ; titerine glands of, 

 '''. : glycogen metabolism in placenta 

 of, 503 ; fat metabolism in placenta of, 



