12 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. 



Actlnoceras erebriseptum (Hall). 



Ormoceraa erebriseptum Hall, Pal. New 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 erebriseptum D'Orbigny, Prodr. Pal., 1, 1849, p. 3 (gen. ref.). 

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



Orthoceras erebriseptum 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. 



Cineinnatian (Pulaski): Turin, Pulaski, etc., New York. 



Actinoceras(?) cuvieri (Troost). 



Conotubularia Cuvierii 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 daytonense (Foerste). 



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



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

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



Actinoceras desnayesi Castelnau. 



Actinoceras Deshayesii Castelnau, Essai Syst. Sil. rAmerique Septent., 1843, p. 



32, pi. 8, fig. 4. 

 Silurian: Green Bay, Lake Michigan. 



Actinoceras distans (Hall). 



Endoceras distans Hall, Pal. New York, 1, 1847, p. 220, pi. 58, figs, la, b. 

 Actinoceras distans Whitfield and Hovey, Bull. Amer. Mus. Nat. Hist,, n, pt. 



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

 Trenton: Turin, Lewis County, New York. 



Actinoceras dufresnoyi Castelnau. 



Actinoceras Dufresnoyi Castelnau, Essai Syst. Sil. I'Ameriqiie Septent., 1843, 



p. 32, pi. 8, fig. 3. 

 Niagaran: Drummond Island, Lake Huron. 



Actinoceras fulgur (Billings). 



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



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

 Orthoceras fulgur Billings, Cat. Sil. Foss. Anticosti, Geol. Surv. Canada, 1866, 



p. 22. 

 Richmond (Charleton): Charleton Point, Anticosti. 



