INDEX OF SUBJECTS 



347 



Mammals, supposed rapid 

 evolution untenable, 168 



teeth, Rutimayer on, 263 



Tertiary, characteristics of 

 the head, etc., 242 



Mammoth, 284 



Man-ape stage of Haeckel, 56 



Man, Darwin on his origin, 38 



Deperet on, 40 



first appearance of, 246 



Gaudry on, 92 



Haeckel on evolution of, 54 



Lamarck on, 32 



place in Nature, 39 

 Manati, 208 

 Marsipobranchia (Lampreys), 



Cope on, 85 



Marsupial stage of Haeckel, 56 

 Marsupials, now decreasing, 

 but in apogee during Second- 

 ary times, 52 



Darwin on, 41 



Triassic, earliest appear- 

 ance of, 304, 306 



with prehensile fingers (Sa- 

 rigues), 54 



Massospondylus, 303 

 Mastodon, 8, 29, 179 et seq., 236 

 Mastodon A mericanus, table, 

 180 



angustidens , 181, 182, 188, 

 199, 226 



arvernensis, 181, 182, 200, 

 210, 284 



Borsoni, 180 



longirostris, 1 8 1 , 200 



pygmcsus, 199 



Turicensis, 180 

 Mastodonsaurus, 199, 236, 3^3 

 Median eye of Palaeozoic Rep- 

 tiles, 218 



Medusae, Cambrian and Silu- 

 rian, 93 

 Megalodons, 236 



Neomegalodon and Pachy- 

 megalodon, 161 



Megalodon cucullatus, 161 

 Megalonyx, 316 

 Megalosaurus, 9, 210, 298, 301 



Megatherium, 29 

 Melanopsis, 64, 126, 137 

 Merostomata, 94, 321 

 Mesogea, the (great Central 



sea of former Geological 



ages), 295 



migration of animals across, 

 297 306, 316 



Mesosuchians (sub-order of 



Crocodilians), 233 

 Metamorphism (of rocks), 328, 



337 



Metaxytherium, 208 

 Metopias, 199 

 Micrococci, 222 

 Microconodon, 306 

 Microlestes antiquus (teeth of), 



172, 249, 250 

 Micropholis, 294, 303 

 Migrations, 270 



Arctic Molluscs to equa- 

 torial regions, 287 



Edentata to North America, 

 283 



of environment, 287 



of Horse and Mastodon to 

 South, 283 



of Marine Animals, 280 



of Primary times, 294 



of Terrestrial Vertebrates, 



293 



Mimoceras, 241, 258 

 Miolania (land Turtle), 211 

 Modioloides, Cambrian Lamel- 



libranch, 246 

 Molluscs, 17, 24, 94, 272, 278, 



etc. 



Bellardi on, 139-40 

 Coutagne on, 129-34 



d'Orbigny on, 21 



Fischer on, 286-7 



Fontannes on, 141, 290 



France, fresh-water forms 

 of, 127-8 



Haeckel on, 46, 48 



Homes on varieties in one 

 group, 67 



Lamarck on their origin, 3 1 



Locard on, 127, 286 



