722 INDEX. 



Pase. 

 Mercer's cave, California, sl^nll obtained from, resembles Calaveras skull of 



Whitney 171 



visit to 171 



Merriam, C. Hart, accompanied the Harriman Alaskan Expedition 17, 69 



Merrill, George P. , head curator of dei)artinent of geology 78 



report of 45 



researches of 51 



titles of papers by . .' - 140 



Mesozoic fossils, collection of 46 



Meteorite collection 15, 50 



in the U. S. National Museum, to January 1, 1902, Descrip- 

 tive Catalogue of, by Wirt Tassin 671 



Meteorites in IT. S. National Museum, combined collections of 673 



Mexican hymenoptera, s])ecimens of, jmrchased ! 37 



tlacochtli or dart, description of 220 



Michigan, barbed harjioon heads foun<l in 234 



Microcline, description of 515 



Mierolite, description of - 515 



Miller, Gerrit S. , jr. , publication by 72 



report on mammals by 41 



titles of papers by - . 140, 141 



work of, in division of mammals 41 



Milling process at Nevada City, California 165 



Mineralogy, division of, accessions to 46 



collections in 50 



duplicate collection in 56 



meteorite collection of - 46 



Minerals, gem, cleavage , 486 



color of 481 



definition and properties of 481 



diaphaneity of 482 



dispersion of light 484 



electricity - 486 



form. . . ." . 487 



fracture 486 



hardness of 484 



luster of 482 



phosphorescence 484 



pleochroism 484 



polarization of light 484 



refraction of light 482 



specific gravity 485 



used as gems, description of 487 



Mines of Placer County, California, history of 167 



Ming dynasty, history of ceramic art in China during 330 



Miocene rhinoceros, study of 52 



Mocha stone, description of 524 



Mohr, Charles, herbarium iiresente<i by 37 



Mollusk collection 36 



Mollusks, division of, report of honorary curator of 38 



exhibition series of 33 



Moonstone, description of - . 488, 519 



mystical properties of 578 



