SCHUCHERT.] 



INDEX AND BIBLIOGRAPHY. 301 



Parastrophia ops (Billings). Aiiticosti (Sil.). 



Camarella ops Billings, Pal. Fossils, 1, 1862, p. 148, fig. 128. 

 Loe. Anticosti. 

 Obs. May be only a variety of P. reversa. 



Parastrophia reversa (Billings). Anticosti (Sil.). 



Pentamerus reversus Billings, Geol. Survey Canada; Rep. Progress for 1856, 

 1857, p. 295 ;— Canadian Jour., IV, 1859, p. 316. 



Brachymerus reversus Shaler, Bull. Mus. Comp. Zool., 4, 1865, p. 69. 



Anastropliia reversa Miller, American Pal. Foss., 1877, p. 104. 



Parastrophia reversa Hall and Clarke, Pal. New York, VIII, Pt. II, 1895, pi. 63, 

 figs. 8-14. 



Loc. Anticosti. 



Obs. Billings says this species is a large P. hemiplicata Hall. It ajjpears, how- 

 ever, to be distinct. See P. ops Billings. 



Parastrophia scofieldi (Winchell and Schucliert). Trenton (Orel.). 



Anastrophia ? scofieldi W. ami S., Minnesota Geol. Svirvey, III, 1893, p. 383, pi. 



30, figs. 24-28. 

 Loc. Near Cannon Falls, Minnesota. 



PARAZYGA Hall and Clarke. Genotype Atrypa liirsuta Hall. 



Parazyga Hall and Clarke, Pal. New York, VIII, Pt. II, 1893, p. 127 ;— Thirteenth 

 Ann. Rep. N. Y. State Geologist, 1895, p. 800. 



Parazyga deweyi Hall. Lower Helderberg (Dev.). 



Waldheimia deweyi Hall, Tenth Rep. N. Y. State Cab. Nat. Hist., 1857, p. 89. 

 Trematospira (Rhynchospira) deweyi Hall, Pal. New York, III, 1889, p. 216, pi. 



36, fig. 3. 

 Parazyga deweyi Hall and Clarke, Ibidem, VIII, Pt. II, 1893, p. 128, fig. 112, pi. 



49, figs. 40-46. 

 Loc. Albany and Schoharie counties. New York. 



Parazyga hirsuta Hall. Corniferous and Hamilton (Dev.). 



Atrypa hirsuta Hall, Tenth Rep. N. Y. State Cab. Nat. Hist., 1857, p. 168. 



Trematospira hirsuta Hall, Thirteenth Rep. Ibidem, 1860, p. 101 ;— Fourteenth 

 Rep. Ibidem, 1861, p. 101 ;— Fifteenth Rep. Ibidem, 1862, pi. 2, figs. 11-16;— 

 Pal. New York, IV, 1867, p. 274, pi. 45, figs. 16-32.— Nettelroth, Kentucky 

 Fossil Shells, Mem. Kentucky Geol. Survey, 1889, p. 136, pi. 16, figs. 15-19. 



Athyris ? chloe Billings, Canadian Jour., n. ser., V, 1860, p. 282, figs. 45-47. 



Retzia chloe Billings, Geol. Canada, 1863, p. 385, fig. 419. 



Nucleospira indianensis Miller, Seventeenth Rep. State Geol. Indiana, 1892, p. 79, 

 pi. 13, figs. 13-15. 



Parazyga hirstita Hall and Clarke, Pal. New York, VIII, Pt. II, 1895, p. 128, fig. 

 Ill; pi. 49, figs. 28-39. 



Loc. New York ; Thedford, Canada ; Falls of Ohio ; Bunker Hill, Indiana. 



Paterina Beecher=Ipliidea. 



PATERULA Barrande. Genotype Paterula bohemica Barrande. 



Paterula Barrande, Systeme Sil. du Centre de la Boh6me, V, 1879, p. 110.— Hall 

 and Clarke, Pal. New York, VIII, Pt. I, 1892, pp. 78, 165 ;— Eleventh Ann. 

 Rep. N. Y. State Geologist, 1894, p. 242. 



Paterula amii n. sj). Calciferous (Ord.), 



Paterula species Hall and Clarke, VIII, Pt. I, p. 78, pi. 4K, fig. 1, 

 Loc. Quebec, Canada. 



