12 BULLETIN 92, UNITED STATES NATIONAL MLTSEUM. 



Actlnoceras crebriseptum (Hall). 



Ormoceras crebriseptum Hall, Pal. Nevv York, 1, 1847, p. 313, pi. 86, fig. 2a; pi. 

 87, figs. 2a-e.— Emmons, Amer. Geology, 1, pt. 2, 1855, p. 151. — Rogers, Geol. 

 Pennsylvania, 2, pt. 2, 1858, p. 821, fig. 621.— Lesley, Geol. Surv. Pennsyl- 

 vania, Rep. P 4, 1889, p. 504, fig. 



Actinoceras crebriseptum D'Orbigny, Prodr. Pal., 1, 1849, p. 3 (gen. ref.). — 

 Foord, Cat. Foss. Ceph. British Mus., 1, 1888, p. 173. 



Orthoceraa crebriseptum Billings, Geol. Canada, Geol. Surv. Canada, 1863, p. 

 218, fig. 228.— Chapman, Canadian Jour. n. s., 8, 1863, p. 206, fig. 208; Expos. 

 Min. Geol. Canada, 1864, p. 178, fig. 208.— Lesley, Geol. Surv. Pennsyl- 

 vania, Rep. P 4, 1889, p. 546, figs. 



Orthoceras (Ormoceras) crebriseptum Barrande, Syst. Sil. du Centre Boheme, 2, 

 pt. 3, 1874, p. 739, pi. 434, figs. 6-8. 



Cincinnatian (Pulaski): Turin, Pidaald, etc.. New York. 



Actinoceras(?) cuvierl (Troost). 



Conotubularia Cu\derii Troost, Mem. Soc. Geol. France, 3, 1838, p. 88, pi. 9, 



fig. 1; 5th Geol. Rep. Tennessee, 1840, p. 48; 6th Geol. Rep. Tennessee, 



1841, p. 176. 

 Actinoceras Cuvieri D'Orbigny, Prodr. Pal., 1, 1849, p. 3 (gen. ref.). 

 Orthoceras cuvieri Miller, N. A. Geol. Pal., 1889, p. 447 (gen. ref.). 

 Orthoceras Capitolinum Safford, Geol. Tennessee, 1869, p. 290, pi. 4 (G. 3), figs. 



la, b. — Lesley, Geol. Surv. Pennsylvania, Rep. P 4, 1889, p. 544, figs. 

 Actinoceras capitolinum Foord. Cat. Foss. Ceph. British Mus., 1, 1888, p. 174. 

 •Jovellania capitolinum Foord. Cat. Foss. Ceph. British Mus., 1, 1888, p. 327 (gen. 



ref.). 

 Trenton (Bigby): Nashville, Tennessee. 



Actinoceras daytoueiise (Foerste). 



Orthoceras (Actinoceras) Daytonensis Foerste, Proc. Boston Soc. Nat. Hist., 24, 



1889, p. 286, pi. 8, fig. 6; Geol. Surv. Ohio, 7, 1893, p. 539, pi. 33, fig. 6. 

 Upper Medinan (Braasfield): Soldiers' Home, near Dayton, Ohio. 



Actinoceras deshayesi Castelnau. 



Actinoceras Deshayesii Castelnau, Essai Syst. Sil. I'Amerique Septent., 1843, p. 



32, pl. 8, fig. 4. 

 Silurian: Green Bay, Lake Michigan. 



Actinoceras distans (Hall). 



Endoceraa distans Hall, Pal. New York, 1, 1847, p. 220, pl. 58, figs, la, b. 

 ActLuoceras distans Whitfield and llovey, Bull. Amer. Mus. Nat. Hist., 11, pt. 



1, 1898, p. 58 (gen. ref.). 

 Trenton: Turin, Lewis County, Now York. 



Actinoceras dufresnoyi Castelnau. 



Actinoceras Dufresnop Castelnau, Essai Syst. Sil. I'Amerique Septent., 1843, 



p. 32, pl. 8, fig. 3." 

 Niagaran: Drummond Island, Lake Huron. 



Actinoceras fulgur (Billings). 



Orthoceras propinquum Billings (not Eichwald), Geol. Surv. Canada, Reji. 



Progr. for 1853-56, 1857, p. 320. 

 Orthoceras fulgur Billings, Cat. Sil. Foss. Anticu.sti, Geol. Surv. Canada, 1860, 



p. 22. 

 Richmond (Charleton): Charleton Point, Auticosti. 



