Lactation, dependence on stimulation, in males; regulation of
Laevifolia, Oenothera
Lamarck
Lamarckian theory
Lane-Claypon, Miss; and Starling, on ovaries of rabbit
Larvae of insects
Lata, Cenothera
Leghorn, White
Lemon-dab
Leopold and Ravana
Lepidoptera, castration in
Leptinotarsa
Limantria dispar
Limon
Linnæus
Lode
Loeb, on "blind fish; on blindness in cave animals;
on tadpoles and thyroid
Lop-eared rabbits, grafting experiments
Lotsy, Professor; on crossing
Lutein, of corpora lutes
Male characters in female
Mallard crosses
Mammary glands; origin of rudimentary in male
Marshall; and Jolly
Marsupials, relation of foetus to pouch; scrotum of
Masked crab
Meisenheimer; thumb-pad of frog
Mendel's Principles of Heredity
Mendelism; and castration
Menstruation
Metamorphosis; in Flat-fishes; causes of; and hormones;
and diagnostic characters
Michaux,
Midwife toad,
Milk glands,
Mole, eyes of,
Monotremata, origin of milk glands,
Morgan, T. H., on blindness in cave animals, on mutations, on sex:,
on sex-linked heredity, on sexual dimorphism in Drosophila,
on variation,
Mutations, in antlers,
Natural selection,
Nuptial plumage,
Nussbaum,
Nyssia zonaria
O'Donoghue, development of milk glands, OEnothera, mutations, grandiflora, lata_, Lamarckiana, Onagra, species of, Origin of Species, Darwin's, Ornithorhyncus, corpus luteum Orthogenesis, Otariidae, scrotum, Ovaries, position of, Ovary, in birds, Ovulation,
Pangenesis, Parthenogenesis, Parturition, Pearson, Karl, Pheasant, male, gynandramorphism in Phillips, John C., Philosophie Zoologique Phoeidae, testes, Physiology of Reproduction, Picotee Sweet Pea, Pigeons, Pigment, absence in cave animals, Pile fowls, Pintail duck, crosses, Plaice, Pleuronectes flesus, glacialis, platesca, Plymouth Rock fowl, Pole-dab, Poll, Preformation, Problems of Genetics, Prong buck, Pro-oestrus, Proteus, eyes of, Prototheria, milk glands in,
Rabbits, lactation in,
Recapitulation, absence of, and mutations,
Reptiles, corpora lutea in,
Reversal, in Flat-fishes,
Rhinoderma darwinii,
Ribbert,
Rieger,
Rodents, testes,
Romanes, GJ
Röntgen rays, effect on testes,
Rose comb, in fowls,
Rotifers, heredity of sex in,
Rubricalyx, Oenothera,
Rubrinervis, Oenothera,
Sacculina,
Salamanders, transplantation of eye,
Sandes,
Schuster, Edgar,
Scrotum, origin, of,
Sea-horse,
Secondary sexual characters,
Selheim,
Semilata, Oenothera,
Sertoli's cells,
Sex, chromosomes; Mendelian theory of,
Sex-Linked heredity,
Sexual Dimorphism,
Sexual dimorphism, in Rajidae, in Plaice,
Shattock and Seligmann,
Silkworm,
Silky fowl, plumage of,
Sirenia, absence of scrotum,
Slow-worm,
Smith, Geoffrey,
Snakes, absence of limbs,
Sociology,
Somatic sexual characters,
Species, conception of, origin of, characters of, sterility and hybridism,
Spermatogenesis, in man,
Starling and Lane-Claypon, on lactation,
Steinach, heredity of milk glands,
Sternum, carina of,
Swallows,
Sweet Pea,
Swifts,
Tadpoles, effect of thyroid in
Tandler and Gross
Taxonomies
Teleosteans; corpora lutea in; ovarian follicles
Testes, descent of
Tetraploidy
Thayer
Thumb-pad of frog
Thyroid-gland feeding
Tortoise-shell colour in cats
Tosa fowls, Japanese
Transplantation of gonads
Typhiogobius
Uhlenhuth
Urodela, larva
Variations Vespa vulgaris; germanica Vries, De