180 BULLETIN 92^ UNITED STATES NATIONAL MUSEUM. 



Cameroceras brainerdi (Whitfield). 



Orthoceras brainerdi Whitfield, Bull. Amer. Mus. Nat. Hist., 1, 1886, p. 319, pi. 



27, figs. 14-lG.— Seely, Rep. State Geol. Vermont, 7, 1910, pi. 5G, fig. 5. 

 Orthoceras explorator Whitfield (not Billings), Bull. Amer. Mus. Nat. Hist., 3, 



1800, p. 33, pi. 2, fig. 3. 

 Cameroceras (Proterocameroceras) brainerdi Ruedemann, Bull. New York State 



Mus., 80, 1905, pp. 296-339, figs. 5-18, pis. 6-9; Bull. 90, 1906, p. 405, pi. 1, 



figs. 5, 6; pi. 2, fig. 1. — Grabau and Shimer, N. A. Index Fossils, 2, 1910, p. 



39, fig. 1234. 

 Canadian (Beekmantown): Fort Cassin, Vermont; Valcour, New York. 



Cameroceras curvatum Ruedemann. 



Cameroceras ciu-vatum Ruedemann, Bull. New York State Mus., 90, 1906, p. 411, 



fig. 2, pi. 2, figs. 6, 7. 

 Chazyan (Valcour): Isle LaMotte, Vermont; Valcour and Chazy, New York. 



Cameroceras duplicatum (Hall). 



Endoceras duplicatum Hall, Pal. New York, 1, 1847, p. 219, pi. 55, fig. 1. 

 Cameroceras dupUcatum Clarke and Ruedemann, Bull. New York State Mus., 65, 



1903, p. 580. 

 Trenton: Middleville, New York. 



Cameroceras hennepini Clarke. 



Cameroceras hennepini Clarke, Geol. Minnesota, 3, pt. 2, 1897, p. 779, pi. 52, figs. 



1-3; pi. 53, figs. 1-3. 

 Endoceras hennepini Miller, N. A. Geol. Pal., 2d App., 1897, p. 773 (gen, ref.). 

 Trenton (Pressor) : Two miles northeast of Spring Valley, Minnesota. 



Cameroceras inaequabile (Miller). 



Endoceras inaequabile Miller, Jour. Cincinnati Soc. Nat. Hist., 5, 1882, p. 86, pi. 4, 



figs. 3, 3a. 

 Suecoceras inaequabile Foerste, Bull. Sci. Lab. Denison Univ., 16, 1910, p. 73, 



pi. 1, figs. 1, 2. 

 Richmond: Bristol, Illinois; Clarksville, Ohio; and Madison, Indiana (Waynes- 



ville). 



Cameroceras lativentrum (Hall). 



Endoceras lativentrum Hall, 3d Rep. New York State Cab. Nat. Hist., rev. ed., 



1850, p. 181, pi. 5, fig. la, b (doc. ed., p. 173). 

 Cameroceras lativentrum Clarke and Ruedemann, Bull. New York State Mus., 65, 



1903, p. 580 (gen. ref.). 

 Trenton: Near Low\ille, New York. 



Cameroceras marcoui (Barrande). 



Endoceras marcoui Barrande, Syst. Sil. Centre Boheme, 2, 1874, p. 748, pi. 431^ 



figs. 11-13. 

 Suecoceras marcoui Holm, Geol. Foren. Stockholm Forh., 18, 1896, pp. 403, 414.— 



Ruedemann, Bull. New York State Mus., 90, 1906, p. 425, figs. 9-11. 

 Canadian (Beekmantown): Phillipsburg, Quebec. 



Cameroceras proteiforme Clarke. See Endoceraa proteiforme. 



Cameroceras proteiforme var. elongatum Clarke and Reudemann. See Endoceraa 

 proteiforme elongatum. 



Cameroceras tenulseptum (Hall). 



Orthoceras tenuiseptum Hall, Pal. New York, 1, 1847, p. 35, pi. 7, fig. 6.— Ray- 

 mond, Amer. Pal. BiUl. 5, 1, No. 14, 1902, p. 19. 



