718 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. 



Leptotrypa informis U Irich. See Cyphotrypa informis. 

 Leptotrypa? irregularis Nickles and Baesler. See Stigmatella irregularia. 

 Leptotrypa maculata Ulrich. See Spatiopora maculata. 



Leptotrypa minima Ulrich. 



Leptotrji)a minima Ulrich, Jour. Cincinnati Soc. Nat. Hist., 0, 1883, p. 159, pi. 



6, figs. 2-21). 

 Maysville (Bellevue): Ilamilton, Ohio. 

 Cotypis.—Cixt. No. 43G7G, U.S.X.M. 



Leptotrypa offula Ulrich. See Paleschara? offula. 



Leptotrypa ornata Ulrich. 



Leptotrypa ornata Ulrich, Jour. Cincinnati Soc. Nat. Hist., 6, 1883, p. IGO, pi. 



6, figs. 4, 4a. 



Maysville (Corry-vdlle) : Cincinnati, Ohio, and viciidty. 

 Cohj pes. —Cat. No. 43G78, U.S.N.M. 



Leptotrypa semipilaris LHrich. See Cyphotrypa semipilaris. 



Leptotrypa? sphivrion (Hall). 



Paleschara? epha^rion Hall, 28th Ann. Rep. New York State Mua., doc. ed., 1876, 



pi. 8, figs. 14, 15. 

 Paleschara? (Chaetetes?) sphterion Hall, ibid., mus. ed., 1879, p. 121, pi. 8, 



figs. 14, 15; 11th Ann. Hep. Indiana Geol. Nat. Hist., 1882, p. 247, pi. 7, figs. 



14, 15.— Lesley, Geol. Surv. Pennsylvama, Rep. P4, 1889, p. 592, fig. 

 Leptotrji^a sphterion Nickles and Bassler, Bull. U. S. Geol. Surv., 173, 1900, p. 



299' 

 Niagaran (Waldron): Waldron, Indiana. 



Leptotrypa stidhami Ulrich. See Cyphotrypa stidhami. 



Lesueurilla Koken. See Maclurites Lesueur. 



LEVISIA Walcott. Genotype: Agrauloa agenor Walcott. 



Levisia Walcott, Smiths. Misc. Coll., 57, no. 4, 1911, p. 8G; Cambrian P'aunas of 

 China, Carnegie Institution, 3, 1913, p. 177. 



Levisia nasuta Walcott. 



Levisia nasuta Walcott, Smiths. Misc. Coll., 57, 1911, p. 87, pi. 17, fig. 5, and figs. 



7, 7a; Cambrian Faunas of China, Carnegie Institution, 1913, p. 178. 

 Ozarkian? (Levis-erratic): Point Levis, Quebec. 



Levisia rieiiardsoni Walcott. 



Levi-sia richardsoni Walcott, Smiths. Misc. Coll., 57, 1911, p. 8G, pi. 17, figs. 4, 4a; 



Cambrian Faunas of China, Carnegie Institutioij, 1913, p. 178. 

 Ozarkian ? (Levis-erratic): Point Levis, Quebec. 



o 



