INDEX 



313 



Dididte, 127 



Diptera, 262 



Diversity in animal structure, 2 



Dog-fish, spiny, 179 



Dogs, sexual gesture of, 61 



Dohrn, on appendages of Gnathia, 274 



Dragonet, 199 



Dremotlierium, 76, 85 



Drilus flavescens, 162 



Dromceus, 162 



Dynastides, horns of, 253 



Eared pheasant, 114 



Echidna, 107 



Echinodermata, 5, 308 



Eclectus polychlorus, 156 



Eel, fresh-water, 186 



Eggs of Birds, 29 



Ehlers, on Nereidse, 297 



Eimer, G. H. T., on male preponder- 

 ance, 35 



Eisothistos, 272 



Elasmobranchs, 180 



Eledone, 292 



Elephants, 107 ; hairlessness of, 51 



Elephant seal, 65 



Elymnias cottonis, and undularis, 229 



Embiotocidse, 225 



Emeus, 162 



Emperor moth, 250 



Epicalia, 243 



Euchceta marina, 282 



Euplceinae, 229 



Eusyllidinae, 301 



Exogoninae, 301 



Experiment illustrating formation of 

 crest of newt, 171 



Falconiformes, 151 



Fatio, on spawning habits of bream, 186 



Faxon, Walter, on the dimorphic 



males of Cambarus, 269 

 Fischer, Joh. von, on indecent gestures 



of baboons, 59, 60, 61 

 Fijians, 50 

 Fishes, 178 

 Flat - fishes, evolution of, 21, 22 ; 



dimorphism of, 188 

 Florisuga mellivora, 132 

 Flounder, specific characters of, 8, 9, 



10 ; development of, 22 ; scales of, 



192 

 Flying squirrels, marsupials, 15 

 Fowler, G. H., on castration of deer, 



87 

 Fraser, on caruncle of Cephalopterus, 



146 

 Freycinet's edition of Peron's Voyage, 



Frog, common, 19, 175 

 Fuligulinse, 158 



Gadow, Hans, vii., on larynx of 



howling monkeys, 63 

 Gallinse, 118 

 Oallus bankiva, 112 

 Gambusia, 184 

 Gambusiinae, 184 

 Game birds, 108 

 Gasco, on courtship of Molge alpestris, 



173 

 Gasterosteus, 217 ; G. pungitius, 218 ; 



G. spinachia, 219 

 Geddes, Patrick, and Arthur Thomson, 



on unisexual characters, 34 

 Gedge, Joseph, on Macrodipterus, 135 

 Gelasimus, 267 

 Geophagus, 225 

 Gephyrea, 307 

 Gesner, on the mandrill, 58 

 Gill-slits, gill -arches, 17 

 Girelle royale, G. de Geoffroi, 223 

 Glow-worm, 259 

 Gnathia maxillaris, 2? '3 

 Gobiidse, 199 

 Gobius minutus, 21 4 

 Gold pheasant, 113 

 Gonoplax angulatus, 267 

 Gorilla, 45 



Gould, on habits of Menura, 149 

 Gourret, P., on Coris julis, and O. 



giofredi, 222 

 Grant, Ogilvie, on Crossoptilon, 114 ; 



on Turnix, etc., 118 

 Grassi and Calandruccio, on eels, 188 

 Grinnell, Elizabeth, on humming-birds, 



133 

 Guanacoes, 104 

 Guinea-fowl, 115 

 Guitel, on habits of Gobius minutus, 



215 

 Giinther, on Arnoglossus lophotes, 194 ; 



on Pseudorhombus ocellatus, 196 

 Gyge, 279 

 Gymnoderinse, 142 



Hair, absence of, in children, 53 

 Harpactidse, 281 



Heard Island, elephant seals of, 67, 69 

 Hectocotylus, 288 

 Heliconidse, 242 

 Hemiarthrus, 279 

 Hemipodii, 118 

 Hemiptera, 262 



Heredity, 12, 13 ; of acquired char- 

 acters, 37, 41, 42 

 Herons, 154 

 Heterolocha acutirostris, 139 



