1060 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. 



Pterinea elliptica Miller. See Prolobella subelliptica. 



Pterinea emacerata (Conrad). 



Avicula emacerata Conrad, Jour. Acad. Nat. Sci. Philadelphia, 1842, p. 241, pi. 



12, fig. 15.— Hall, Pal. New York, 2, 1852, p. 83, pi. 27, figs, la, b; p. 282, 



pi. 59, figs, la-e; Nat. Hist. New York,Geol., 4, 1843, p. 108, fig. 4; p. 109; 



tab. ill. 15, fig. 4.— Billings, Canadian Nat. Geol., 1, 1856, p. 60, pi. fig. 6.— 



Hall, 20th Rep. New York State Cab. Hist, (extras, 1865), 1868, p. 337; rev. 



ed., 1870, p. 384.— Lesley, Geol. Surv. Pennsylvania, Rep. P 4, 1889, p. 68, 



figs. 

 Pterinea emacerata Grabau, Bull. Buffalo Soc. Nat. Sci., 7, 1901, p. 207, fig. 135; 



Bull. New York State Mus., 45, 1901, p. 207, fig. 135.— Weller, Geol. Surv. 



New Jersey, Pal., 3, 1903, p. 242, pi. 22, fig. 4.— Grabau and Shimer, N. A. 



Index Fossils, 1, 1909, p. 419, fig. 546. 

 Actinopteria emacerata Whitfield and Hovey, Bull. Amer. Mus. Nat. Hist., 11, 



pt. 2, 1899, p. 156 (gen. ref.). 

 Avicula leptonota Hall, Nat, Hist. New York, Geol., 4, 1843, p. 76, fig. 5; tab. ill. 



8, fig. 5.— Owen, Amer. Jour. Sci. Arts, 48, 1845, p. 306, fig. 5.— Lesley, Geol. 



Surv. Pennsylvania, Rep. P 4, 18S9, p. 69, fig. 

 Clinton: Lockport, Rochester, Wolcott, etc., New York; Hamilton, etc., Ontario 



(Rochester); Nova Scotia. 

 ?Helderbergian (Decker Ferry): Two miles south of Tristates, New York. 



Pterinea formosa Savage. 



Pterinea formosa Savage, Bull. Geol. Surv. Illinois, 23, 1913, p. 53, pi. 2, fig. 1. 

 Upper Medinan (Girardeau): Alexander County, Illinois. 



Pterinea honeyinani (Hall). 



Avicula honeymani Hall, Canadian Nat. Geol., 5, 1860, p. 153, fig. 13. — Dawson, 

 Acadian Geol., Suppl. Chap., 1860, p. 68, fig. 59; 2d ed., 1868, p. 604, fig. 210. 

 Pterinea honeymani Miller, N. A. Geol. Pal., 1889, p. 506 (gen. ref.). 

 Silurian (Arisaig): Arisaig, Nova Scotia. 



Pterinea insueta (Emmons). 



Avicula insueta Emmons, Geol. New York, 2, 1842, p. 399, fig. 5.— Hall, Pal. New 

 York, 1, 1847, p. 291, pi. 80, figs, la, b— Emmons, Amer. Geol., 1, pt. 2, 

 1855, p. 175, pi. 17, fig. 15.— Rogers, Geol. Pennsylvania, 2, pt. 2, 1858, p. 

 820, fig. 617.— Emmons, Man. Geol., 1860, p. 101, fig. 91.— Lincklaen, 14th 

 Rep. New York State Cab. Nat. Hist., 1861, pi. 4, fig. 6. — Miller, Cincinnati 

 Quart. Jour. Sci., 1, 1874, p. 216. — Lesley, Geol. Surv. Pennsylvania, Rep. 

 P 4, 1889, p. 69, figs. 



Pterinea insueta Cumings, 32d Ann. Rep. Dep. Geol. Nat. Res. Indiana, 1908, 

 p. 1019, pi. 48, fig. 2. 



Utica(?): Canajoharie, New York. 



?Maysville: Cincinnati, Ohio. 



Pterinea lanii Grabau. 



Pterinea aviculoidea Whitfield (not Hall), Geol. Rep. Wisconsin, 4, 1882, p. 322, 



pi. 25, figs. 6, 7; Ann. New York Acad. Sci., 5, 1891, p. 514, pi. 5, fig. 23; 



Geol. Ohio, 7, 1893, p. 415, pi. 1, fig. 23.— Sherzer, Michigan Geol. Surv., 7, 



pt. 1, 1900, p. 225, pi. 17, fig. 23. 

 Pterinea lanii Grabau, Michigan Geol. Surv., Geol., 1st ser., 1909, p. 164, pi. 20, 



fig. 13; pi. 30, figs. 23, 24.— Grabau and Shimer, N. A. Index Fossils, 1, 1909, 



p. 420, fig. 547. 

 Lower Monroan : Waubakee, Wisconsin; southeastern Michigan (Raisin River and 



Lucas). 



