STRATIGRAPHICAL GEOLOGY 
337 
Le Roux Limestones, Ward. (Am. Jour. Sci., (4), Vol. XII, 
p. 401, 1901.) Title is restricted from Ward’s original usage. 
Lohali Sandstones. Term proposed for the main body of the 
Dakotan series as devoloped near Laholi, in Apache County, west 
of Chinle, and northwest of Fort Defiance. 
Lukashukai Sandstones. Application for the lower sandstone 
section of the Doloresian series, as outcropping in the Lukashukai 
valley, at the north end of the Chuska Mountains. 
McBlmo Shales, Cross and Spencer. (Atlas of United States, 
U. S. Geol. Surv., Folio 60, p. 4, 1899.) 
Mimbresian Series, Keyes. (Rept. Governor New Mexico to 
Secretary of Interior, for 1903, p. 311, 1904.) 
M or end Limestones, Lindgren. (Trans. American Inst. Min¬ 
ing Eng., Vol. XXXV. p. 513, 1905.) Name is here restricted to 
the lowermost of the Devonic limestones of the eastern part of 
the State. 
Muleros Sandstones. The name is suggested for the capping 
member of the Cerro de Muleros, west of El Paso, and repre¬ 
sented by the lower part of the Cintura formation, as described 
by Ransome in the southeastern part of the State. 
Nacimientan Series, Keyes. (Proc. Iowa Acad. Sci., Vol. 
XXII, p. 224, 1908.) 
Naiad Limestones, Keyes, (Proc. Iowa Acad. Sci., Vol. XXII, 
p. 265, 1916.) 
Nazlini Shales. Name is proposed for the median and main 
body of shales of the Doloresian series in Apache County, and 
typically exposed on Nazlini Creek, south of Chinle, and north¬ 
west of Fort Defiance. 
Orabai Sandstones. Term designates the basal member of the 
Montanan series, as developed in northeastern Arizona, and well 
exposed at Orabai Mesa, north of Winslow, in Apache County. 
Perchan Series, Gordon. (Am. Jour. Sci., (4), Vol. XXIV, 
p. 58, 1907.) 
Pierce Shales. Name is especially applied to the sandy, basal 
red-beds of the Supaian section, as shown at the mouth of tlie 
Grand Canyon, near Pierce’s Ferry. 
Puerco Clays, Cope. (Rept. Secretary of War to 44th Cong., 
Vol. II, pt, ii, p. 1012, 1875.) 
