INDEX 



267 



lacustris, ic6 ; on the influence of 

 currents on aquatic plants, 207 



MII.LAKDET, on hybrids between 

 grape-vines, 246 



MILNE-EDWARDS, on chemical differ- 

 ences between the bones of man and 

 woman, 121 



MILTON, special creation theory ex- 

 pounded in Paradise Lost, 7 



MIVART, SAINT GEORGE, 103 



Moina, see Daphnia 



MOLESCHOTT, on the influence of 

 oxygen on pigments, 220 



MONNIER, on the influence of brucin 

 on green and brown frog, 130 



MOQUIN TANDON, on changes in the 

 colour of plants due to environment, 

 53 ; on dimensional variations, 74 



Morphological argument for evolution, 

 38 



MORTON (LORD), on mating a mare 

 with a quagga, 248 



MOYNIER DE VILLEPOISE, on the pro- 

 duction of lime by marine organisms, 

 202 



MCLLER, on sexuality, 108 



Muscular system, variability, 105 



Mutilations and sexuality, 220 ; here- 

 dity of, 255 



MUNTZ and GIRARD, on chemical 

 differences of the wool of different 

 breeds of sheep, 117 



Myosotis sylvatica, 55 



Myriophyllnm, variation, 98 



My til us transferred to fresh water, 186 



NAEGELI, internal forces tending to 

 develop new forms, 150 



Narcissus, sudden variation, 153 



NATHUSIUS, on length of gestation in 

 different breeeds of sheep, 167 



Natural selection (anticipated by 

 Naudin), 20 



NAUDIN, his paper on selection (1852), 

 20, 21 ; on climate, 55 ; on varia- 

 tion in fruits, 62 ; on physiological 

 differences between Echhun of differ- 

 ent climate, 115 ; internal forces tend- 

 ing to develop new forms, 150 



Nautilus has hardly varied since very 

 remote epochs, 169 



Neotenia in Amphibians, no 



Neritina thermophila, 205 



Nervous system, argument for evolu- 

 tion, 35 



Niata breed of cattle, 153 



Nicotin, influence on green and brown 

 frog, 132 



NIEBNER (TH.), on hybrids between 

 roses, 246 



Noctna, 120 



O. 



Onopordon acanthiuin, 91 

 Ontogeny, 30, 35 



ORBIGNY (D'), on dimensional varia- 

 tion, 70, 71 



Osteology, variations in, 103 

 Ostrea transferred to fresh water, 186 

 Ovibos moschatus, 159 

 Oxalis strzcta, variations, 72 

 Oxytropis man tana, 54 



P. 



Pagiirus Prideauxii transferred to 

 fresh water, 188 



Palajontological argument for evolu- 

 tion, 25 



PALLAS, 159 



Paludina living in salt water, 185 



Pansy has varied slowly, 149 



PASTEUR, 5 



Pecten transferred to fresh water, 186 



P debates, 112 



PENZIG (O ), on teratology, 100 



Persicaria, 91 



PETERMANN, on the influence of soil 

 on roots, 203 



PFLUGER, on segmentation, 197 



Phaseolus vnlgaris, varieties, 177 



Phasnta, colour-variation, 51 



Phylogeny, 30, 35 



Physa contorta, 74 ; acuta, 205 



Physiological differences between 

 plants of same species, but different 

 climate, 115 ; between different spe- 

 cies, 119 ; between different species 

 of insects towards the same external 

 conditions, 120; between man and 

 woman, 122 ; between different hu- 

 man races, 123 ; between European 

 and Algerian sheep, 124; between 

 normal and attenuated Bacillus an- 

 thracis, 127 ; between Rana escu- 

 lenta and temporaria, 130 seq. ; be- 

 tween the different individuals of the 

 same brood, 136 ; between seeds, 

 137 ; may be experimentally in- 

 duced, 145 ; between bacteria thriv- 

 ing only in different media, 183 ', 

 between plants watered with fresh 

 and sea water, 211 



Physiological transmutation, 127 



Physiological variation. 114 



Picrotoxine, influence on common crab, 

 1 20 



PIERLOT, on variation of toxicity of 

 valerian, 136 



Pigeons in Florence congregating in 

 flocks according to their colour, and 

 breeding together, 243 



Pilocarpin, influence on green and 

 brown frog, 132 



