314 



SEXUAL DIMORPHISM 



Heteronereis, 295 



Heteropoda, 288 



Hippocampus, 226 



Hippopotamus, hairlessness of, 51 



Holothurians, 309 



Holt, B. W. L., vi., on Arnoglossus 



laterna, 195 ; on courtship of 



dragonet, 200 ; on sexes of Ooris 



julis, 222 

 Homoptera, 262 

 Hoplopterus armatus, 154 

 Houbara, 152 

 Horns, 79, 97 

 Horses, 104 ; horned, 105 ; exostoses 



of, 86 

 Huia, 139 



Hume, A. G., on Turnix taigoor, 119 

 Humming-birds, 108, 132 

 Hydrelaphus, 76 

 Hydrozoa, 310 

 Hymenoptera, 260 

 Hypolimnas bolina, and misippus, 232 



Ibla, 284 



Idiosepion, 292 



Indians, North American, 50 



lone, 280 



Irritation, 14 



Isopoda, 272 



Jenynsia, 184 



Juan Fernandez, elephant seal on, 66 



Julis mediterranea, qiofredi, 222 



Kallima, 244 



Kerguelen's Land, elephant seal on, 67 



Kudu, 98 



Labridae, 219 



Labrus maculatus, 219 ; L. mixtus, 220 



Lacertilia, 165 



Laertes pammon, mimicry of, 230 



Lagopus scoticus and albus, 116 



Lamarckian views, 28 



Lamellibranchiata, 288 



Lamellicornia, 253 



Lampyris noctiluca, 259 



Larvae of insects, 24 



Lasiocampa Quercus, 252 



Leguat, Francois, on the Solitaire, 127 



Lepidoptera, 228 



Leptocephalus, 188 



Lesson, on elephant seal, 67 



Lethrus cephalotes, 256 



Leuthner, on variation in mandibles of 



Lucanidae, 258 

 Lion, mane of, 65 

 Lobivanellus lobatus, 154 

 Longicornia, 253 



Lophobranchii, 226 



Lophonectes g alius, 197 



Lucanidae, 255 



Lucanus cervus, 255, 258 



Lung- fish, 50 



Lydekker, on ancestors of deer, 76 ; on 

 the Sambar, 78 ; on extinct rumi- 

 nants, 78 ; on horns of Prong-buck, 

 101 ; on horns in female Bovidae, 94 



Lyre-bird, 148 



Macacus inuus, 62 ; M. rhesus, nemes- 



trinus, 59 ; M. cynomolgus, 60 

 Macgillivray, on voice of drake, 158 

 Machetes pugnax, 154 

 Macpherson, Rev. H. A., on shedding 



of antlers, 74 

 Macrodipteryx vexillarius and macro- 



dipteryx, 135 

 Macropsalis, 136 

 Macrura, 268 

 Magdalena, sheep of, 52 

 Malacodermata, 259 

 Male preponderance, 36 

 Mallard, common, 158 

 Mammoth, fur of, 51 

 Man, 46 

 Mandrill, 54 

 Mariquita, cattle of, 52 

 Marshall, Milnes, on ancestral stages in 



development, 17 

 Marshall, on habits of JDanais chrysip- 



pus, 236 

 Marsupials, 107 

 Masked crab, 267 

 Mastigophorus, 252 

 Medusa, 310 

 Meldola, Raphael, on pairing of certain 



butterflies, 250 

 Meleagris, 16 



Menelaides aristolochoe, and hector, 230 

 Menura superba, 148 ; M. Alberti, 149 

 Metamorphosis, 2, 16 

 Mimicry, 228 

 Mitua, 118 

 Mivart, St. George, on male characters, 



34 

 Mobius, on thread-forming secretion 



in O aster osteus spinachia, 219 

 Molge palmata, vulgaris, cristata, 169 ; 



M. aspera, 174 

 Moller, on shedding of horn-sheath, 



102 

 Mollienisia petenensis, 183 

 Mollusca, 5, 286 

 Monkeys, 47 

 Moose deer, 89 

 Morgan, Lloyd, on growth of feathers, 



28 



