INDEX 



265 



G. 



Galium cruciatum, 55 



Callus bankiva, 158 



GAUDKY(A.), on palarontological argu- 

 ments for evolution, 28 ; on varia- 

 bility among molluscs, 169 



GAUTIER (ARMAND), on chemical 

 variation accompanying colour- 

 variation in grapes, 61 



Gentians, colour-variation, 54 



GEOFFROY SAINT HILAIRE, on en- 

 vironment, 19; on experimental 

 transformism, 43, 44 ', on dimensional 

 variation, 74 ; on civilization and 

 domestication, 169 



Geological record, imperfection, 25 



Geranium batrachioides, 54 ; G. sylva- 

 ticum, 55 



GERARD, on colour-variation in bees, 

 53 ; on colour-variation in plants, 53 



GIARD (A.), on parasitism and sexu- 

 ality, 108 ; on parasitary castration, 

 220 



Gill-arches, 32 



Glanders, 124 



GODRON, on seasonal colour-variation, 

 52 ; on variation in the form of 

 Ranunculus leaves, according to 

 environment, 97 ; on Ranunculus, 

 97 



GOODALE (G. L.), on plants suitable 

 for cultivation, 172 



Grape-vines from the Rhine valley 

 yield Madeira wine in Madeira, 219 



Grapes, differently coloured in the 

 same bunch, 60', colour-variation 

 and chemical variation, 63 



Grapsus transferred to fresh water, 188 



GRATACAP, on differences of resistance 

 of different insects to various in- 

 jurious processes, 120 



GRAY (AsA), on cultivation and its 

 results, 251 



GRUBER (W.), on muscular variability, 

 105 



H. 



HAECKEL (E.), on evolution, 31 



Haliotis transferred to fresh water, 

 186 



HARNACK and MEYER, on the in- 

 fluence of pilocarpin on green and 

 brown frog, 132 



Heat, influence on germinating seeds, 

 137 ; on different bacteria, 183 : 

 molluscs living in warm water, 205, 

 206 



Helianthus annuus, dwarfed, 75 



Helicidce, dimensional variations, 74 



Hellebore, 135 



Hemp, proportion of sexes, 107 ; muti- 

 lated, 108 



Heredity, 225 ; predominant, 245, 247; 

 bilateral, 247 ; direct and crossed, 

 eq^lal and unequal, 247 ; atavistic, 

 247 ; through influence, 248 ; homo- 

 chronous, 248 ; rein-verted, 249 ; 

 homotopic, 249 ; heterotopic, 249 ; 

 in general, 255 ; of mutilations, or 

 abnormalities, 255 



HERMBSTAEDT, on the influence of 

 food on chemical composition of 

 plants, 118 



HKRTWIG (R. and O.), on segmenta- 

 tion, 197 



HEUSINGER, on colour- variation, 67-69 



HILGENDORF and HYATT, on the 

 Planorbis of Steinheim, 27 



Hippuris -vulgaris, differences in 

 aquatic and aerial leaves, 209 



HOFMANN, on sexuality, 108 



HOLMGREN, on structure of the 

 stomach and its variations accord- 

 ing to food, 105 



Holothuria cucumaria transferred to 

 fresh water, 188 



HOOKER (SiR JOSEPH), on Tasmanian 

 species suitable for cultivation, 172 



Horse, colour and fecundity, 68 ; do- 

 mestic forms, 165 



HULST, on colour-variation among 

 Arctias, 51 



HUNTER (JOHN), on visceral varia- 

 bility in sea-gulls, 104 



HUXLEY (Tn. H.), three hypotheses 

 concerning the present world, 7 ; on 

 evolution, n 



HYATT, see HILGENDORF ; on varia- 

 bility of Planorbis, 149 



Hybrids, colour in, 64 ; between grape- 

 vines, 246 ; new experiments must 

 be performed, 249 



Hydra, possible influence on Lym- 

 na?a, 204 



Hyla, 112 



Idiosyncrasy, 125 



Immunity, comparative, to different 

 diseases among different species, 124 



Inanition, loss of weight in inverte- 

 brates, 77 



Insular animals smaller than conti- 

 nental, 73 



Integumentary variation, 89 ; in poul- 

 try, 89 ; in sheep, 89 ; in the length of 

 the wool, 89 ; in the amount of hairy 

 covering among plants, 91 ; in the 

 spines of plants, 92 



IRVINE and WOODHEAD, on the pro- 

 duction of lime by animals, 202 



1 'satis tinctoria, 91 



Isoetes lacustris, variability, 10 



