ii. 178

_Mesoprion_, ii. 425

_Mesops_, ii. 439

_Mesosemia_, ii. 475

_Messalina_, ii. 391

_Messaras_, ii. 474

_Metallura_, ii. 108

_Metapheles_, ii. 476

_Methonella_, ii. 476

_Metius_, ii. 492

_Metopia_, ii. 102

_Metopiana_, ii. 364

_Metoponia_, ii. 283

_Metopothrix_, ii. 102

_Metriopelia_, ii. 333

Mexican sub-region, ii. 51 mammalia of, ii. 52 birds of, ii. 52 reptiles of, ii. 54 amphibia of, ii. 54 fresh-water fish of, ii. 54 insects of, ii. 55 land-shells of, ii. 57 its relations to the N. and S. American continents, ii. 57 islands of, ii. 59

Meyer, Dr. A.B., on reptiles and amphibia of New Guinea, i. 415¨

_Micræca_, ii. 270

_Micracantha_, ii. 501

_Micrastur_, ii. 347

_Micrathene_, ii. 350

_Micrhyla_, ii. 414

_Microbates_, ii. 104

_Microcebus_, ii. 176

_Microcerculus_, ii. 264

_Microchæra_, ii. 107

_Microglossus_, ii. 325

_Microhierax_, ii. 349

_Microlestes_, oldest European mammal, i. 160

_Micromeryx_, European Miocene, i. 120