weeks] PALEONTOLOGY, PETKOLOGY, AND MINERALOGY, 1901. 61 
517 McNairn (W. Harvey). On a large phlogopite crystal. 
Am. Jour. Sci., 4th ser., vol. 12, p. 398 (J p.), 1901. 
Briefly describes character and occurrence. 
518 Malcohnson (James W.). The Sierra Mojada, Coahuila, Mexico, 
and its ore deposits. 
Eng. and Mg. Jour., vol. 72, pp. 705-710, tigs. 1-5, 1901. 
Contains notes on the geology and ore bodies of the region. 
519 Manning (P. C). Glacial potholes in Maine. 
Portland Soc. Nat. Hist., Proc, vol. 2, pp. 185-200, pis. 3-4, 1901. 
Describes the occurrence and character of the potholes along the coast 
of Maine and discusses the evidences indicating their origin. 
520 Martin (Daniel S.). [Minerals at Haddam, Maine.] 
Abstract: Am. Geol., vol. 27, p. 44 (6 1.), 1901. 
Mentions occurrence of certain minerals. 
521 Geological notes on the neighborhood of Buffalo. 
Abstract: N. Y. Acad. Sci., Annals, vol. 14, pp. 162-163, 1901. 
522 Martin (George Curtis), Clark (William Bullock) and. Eocene 
Echinerdomata. 
See Clark (W. B.) and Martin (G. G), 143. 
523 - Eocene Molluscoidea (Brachiopoda). 
See Clark (W. B.) and Martin (G. C), 142. 
524 Eocene Mollusca. 
See Clark (W. B.) and Martin (G. C), 141. 
525 — The Eocene deposits of Maryland. 
See Clark (W. B.) and Martin (G. C), 140. 
526 Martin (J. O.). The Ontario coast between Fairhaven and Sodus 
bays [New York]. 
Am. Geol., vol. 27, pp. 331-334, pis. 26-27, 1901. 
Describes the lake shore phenomena of the region. 
527 Martin (K.). Ueber Tertiare fos ilen von der Philippines 
See Becker (George F. ), 50. 
528 Mason (F. H.). Potters clay at Middle Musquodoboit [Nova 
Scotia]. 
Can. Mg. Rev., vol. 20, pp. 175-176, 1 fig., 1901. 
Describes occurrence and chemical character of the material. 
529 Matthew (George F.). Preliminary notice of the Etcheminian 
fauna of Newfoundland. 
New Brunswick Nat. Hist, So.-., Bull., vol. 4, pp. 18^-196, pis. i-iii, 
1899. 
Contains descriptions of several new species. 
