192 J. STANLEY-BROWX IXDEX TO VOLUMES 21 TO 30 



Page 



Mississippi Valley, Loess in 27, S2 



, Mississippian formations of the upper 29, 93 



MississiPPiAN delta in the northern New River district of Virginia 23, 48, 



447-455, 743 



— floras SO, 510 



— formations, Revision of 29, 93 



— limestone of AVasatch Mountains, A non-marine member in 21, 528 



— rhynchonelloid shells, Internal characters of some 21, 76, 498-516 



— sands as source of oil 28, 674 



— section in west-central Kentucky ; Charles Butts 27, 155 



— • shales, Wasatch Mountains show wida distribution of 21, 529 



Missouri and Illinois, Stratigraphy and paleontology of the Alexandrian 



series in 24. Ill, 351-375 



— , Devonian fishes of 24, 119 



formations in 27, 160 



of central 26, 112, 156 ; 28, 209 



— , Geologic section near Columbia 28, 170 



— , Grassy Ci-eek shale of 29, 95 



— lead and zinc deposits, Genesis of; 29, 86 



— , Lower Kinderhookian faunas of 29, 93 



— , Natural bridge in Green County 21. 329 



— Miller County 21, 332 



— , Occurrence of glauconite in 29. 104 



— , Paleogeography of 29, 71 



— , Paleozoic faunas in 25, 135 



— River, Pleistocene valley of 27, 299 



— — Valley, Reference by A. G. Leonard to 27, 295 



— , Zinc and lead deposits discussed by memliers 29, 86 



Mitchell, E., State Geologist of North Carolina 25, 160 



Mitchell, G. J. ; Evidence of recent changes of level in Porto Rico, as 



shown by studies in the Ponce district 29, 138 



' MixTECA Alta, Origin of the Liassic flora of the 24, 115 



MoBERG, J. C, cited on graptolite horizons 28, 961 



■ origin of petroleum 28, 728 



— Ordovicic in Jamtland 27, 608 



of Scania 27, 612-617 



— , Reference to "Silurian of Sweden" of 27, 603, 608, Oil 



studies pursued under 27, 611 



Mode of formation of certain gneisses in the highlands of New Jersey ; 



C. N. Fenner 25, 44 



MoEL Tryfaen, Wales, Reference to deposits found in 25, 210-211 



MoEjf Kopi formation 30, 493 



MoRiCKE, W., cited on Navidad fauna 29, 642 



MoFFiT, F. H., Reference to "Headwater regions of Gulkana and Susitna 



rivers, Alaska," of 27, 697 



"The Kotsina-Kushulana district, Alaska," of 27, 694 



— and Bagley, J. W. ; A method of aerial topographic mapping 30, 110 



