1040 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. 



Proetus undulostriatus Continued. 



Proetus undulostriata Ruedemann, Bull. New York State Mus., 42, 1901, p. 536; 



ibid., 162, 1912, p. 117, pi. 9, figs. 2, 3. 

 Trenton (Snake Hill): Snake Hill, Saratoga County, and Green Island, near 



Albany, New York. 



PROLO BELLA Ulrich. Genotype: P. striatula Ulrich. 



" Prolobella, Ulrich Geol. Minnesota, 3, pt. 2, 1894, p. 532. 



Prolobella avlculoides (Hall). 



Modiolopsis aviculoides Hall, Pal. New York, 1, 1847, pp. 161, 317, pi. 36, figs. 



la, b. Ruedemann, Bull. New York State Mus., 49, 1901, p. 28. 

 Trenton: Middleville, New York. 



Prolobella? hermlone (Billings). 



Avicula Hermione Billings, Pal. Foss., 1, Geol. Surv. Canada, 1865, p. 40, fig. 42, 

 (adv. sheets, 1862); Geol. Canada, Geol. Surv. Canada, 1863, p. 170, fig. 156. 

 Trenton: Montreal, Quebec. 

 Pla8totype.Gut. No. 46094, U.S.N.M. 



Prolobella striatula Ulrich. 



Prolobella striatula Ulrich, Geol. Minnesota, 3, pt. 2, 1894, p. 532, pi. 35, fig. 27. 

 Pterinea striatula Miller, N. A. Geol. Pal., 2d App., 1897, p. 784 (gen. ref.). 

 Trenton (Prosser) : Pleasant Grove, Minnesota. 

 Holotype.Cat. No. 46280, U.S.N.M. 



Prolobella subelllptica (D'Orbigny). 



Avicula elliptica Hall (not Phillips, 1836), Pal. New York, 1, 1847, p. 162, pi. 36, 

 fig. 3. Billings, Geol. Canada, Geol. Surv. Canada, 1863, p. 170, fig. 155. 

 Lesley, Geol. Surv. Pennsylvania, Rep. P 4, 1889, p. 68, fig. 



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



Avicula subelliptica D'Orbigny, Prodr. Pal., 1, 1850, p. 13. Emmons, Amer. 

 Geology, 1, pt. 2, 1855, p. 175, pi. 13, fig. 27. 



Trenton: Middleville, New York. 



Prolobella subspatulata (Hall). 



Modiolopsis subspatulatus Hall, Pal. New York, 1, 1847, p. 159, pi. 35, figa. 9a, b, 

 Lyonsia subspatulatus Emmons, Amer. Geology, 1, pt. 2, 1855, p. 171. 

 Palsearca subspatulata Hall, 12th Rep. New York State Cab. Nat. Hist., 1859. 



p. 71 (gen. ref.). 



Cypricardites subspatulata Miller, N. A. Geol. Pal., 1889, p. 477. 

 Trenton: Watertown, New York. 



Prolobella trentonensis (Conrad). 



Avicula Trentonensis Conrad, Jour. Acad. Nat. Sci. Philadelphia, 8, 1842, p. 240, 



pi. 12, fig. 10. Hall, Pal. New York, 1, 1847, p. 161. pi. 36, figs. 2a-d. 



Emmons, Amer. Geology, 1, pt. 2, 1855, p. 176, pi. 13, figs. 28-30. Lesley, 



Geol. Surv. Pennsylvania, Rep. P 4, 1889, p. 70, fig. 

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

 Prolobella trentonensis Ulrich, Geol. Minnesota, 3, pt. 2, 1894, p. 532 (gen. ref.). 



Ruedemann, Bull. New York State Mus., 162, 1912, p. 97, pi. 5, fig. 4. 

 Avicula aviformis Conrad, Jour. Acad. Nat. Sci. Philadelphia, 8, 1842, p. 243, 



pi. 13, fig. 11. 

 Trenton: Middleville, Watertown, Canajoharie, etc., New York. 



PROLUCINA Ball. Genotype: Tellina prisca Hisinger. 



Prolucina Ball (subgenus of Lucina), Zittel-Eastman Textb. Pal., 1900, p. 408. 



