INDEX. %t 



Mayers, W. F. , on the domestication of the goldfish in China, 389. 

 Mayhew, E., on the affection between individuals of different sexes 

 in the dog, 596. 



Maynard, C. J., on the sexes of Ghrysemys picta, 397. 



Meckel, on correlated variation of the muscles of the arm and 

 leg, 49. 



Medicines, effect produced by, the same in man and in monkeys, 7. 



MeduscE, bright colors of some, 295. 



Megalithic structures, prevalence of, 204. 



Megapicus validiis, sexual difference of color in, 521. 



Megasoma, large size of males of, 316. 



Meigs, Dr. A., on variation in the skulls of the natives of 

 America, 29. 



Meinecke, on the numerical proportion of the sexes in butter- 

 flies, 283. 



Melanesians, decrease of, 211. 



Meldola, Mr., colors and marriage flight of Golias and Pieris, 362. 



Meliphagidae, Australian nidification of, 517. 



Melita, secondary sexual characters of, 303. 



Meloe, difference of color in the sexes of a species of, 333. 



Memnon, young, 192. 



Memory, manifestations of, in animals, 83. 



Mental characters, difference of, in different races of men, 191; 

 faculties, diversity of, in the same race of men, 30; inheritance of, 

 31; variation of, in the same species, 31, 74; similarity of the, in dif- 

 ferent races of man, 203; of birds, 466; powers, difference of, in the 

 two sexes in man, 642. 



Menura Alberti, 461; song of, 421; menura superba, 461; long 

 tails of both sexes of, 513. 



Merganser, trachea of the male, 425; merganser serrator, male 

 plumage of, 446. 



Mergus cucidlatus, speculum of, 267; mergus merganser, young 

 of, 532. 



Metallura, splendid tail-feathers of, 503. 



Methoca ichneumonides, large male of, 316. 



Meves, M., on the drumming of the snipe, 428. 



Mexicans, civilization of the, not foreign, 164. 



Meyer, on a convoluted body at the extremity of the tail in a 

 Macacus and a cat, 25. 



Meyer, Dr. A., on the copulation of Phryganidae of distinct 

 species, 312. 



Meyer, Prof. L., on development of helix of ear, 16 et seq.; men's 

 ears more variable than women's, 253; antennae serving as ears, 318. 



Migrations of man, effects of, 53. 



Migratory instinct of birds, 119; vanquishing the maternal, 122, 128. 



Mill, J. S., on the origin of the moral sense. 111; on the "greatest 

 happiness principle," 135; on the difference of the mental powers in 

 the sexes of man, 644. 



Millipedes, 310. 



Milne-Edwards H., on the use of enlarged chelae of the male 

 Oelasimus, 303. 



Milvago leucurus, sexes and young of, 546. 



Mimicry, 366. 



