176 BULLETIN 92, UNITED STATES NATIONAL MUSEUM. 



Camarotoech!a(?) Indianensis — Continued. 



Camarotceclua(?) indianensis Schuchert, Bull. U. S. Geol. Surv., 87, 1897, p. 166.— 

 Clarke and Ruedemann, Mem. New York State Mus., 5, 1903, p. 46, pi. 4, 

 figs. 26, 27.— Grabau and SMmer, N. A. Index Fossils, 1, 1907, p. 284, fig. 348. 



Niagaran: Waldron, Indiana; Newsom, Tennessee (Waldron); Louisville, Ken- 

 tucky (Louisville); Shelby and Rochester, New York (Guelph); Wisconsin 

 (Racine); Osgood, Indiana (Osgood); etc. 



Plesiotype— Cat. No. 51330, U.S.N.M. (Nettelroth). 



Camarotcechia lamellata (Hall). 



Atrypa lamellata Hall, Pal. New York, 2, 1852, p. 329, pi. 74, fig. 11.— Weller, 



Geol. Surv. New Jersey, Pal., 3, 1903, p. 237, pi. 21, figs. 23-29. 

 Rhjmchonella lamellata. Hall, 12th Rep. New York State Cab. Nat. Hist., 1859, 



p. 78.— Schuchert, Bull. U. S. Geol. Surv., 87, 1897, p. 359; Amer. Geol., 31, 



1903, p. 167, figs. 

 Camarotcechia lamellata Grabau, Bull. New York State Mus., 92, 1906, p. 109, 



fig. 13.— Grabau and Shimer, N. A. Index Fossils, 1, 1907, p. 286, fig. 349.— 



Maynard, Maryland Geol. Surv., Low. Dev., 1913, p. 352, pi. 63, figs. 9, 10. 

 Cayugan (Cobleskill) : Schoharie, New York. 

 Helderbergian: Pinto, Cumberland, and Cash Valley, Maryland (Keyser); New 



Jersey (Decker Ferry). 



Camarotcechia leightoni Williams. 



Camarotcechia leightoni Williams, Proc. U. S. Nat. Mus., 45, 1913, p. 338, pi. 30, 



figs. 9, 11, 12, 13. 

 Silurian (Pembroke) : Leighton Cove, Washington County, Maine. 

 Cotypes.— Cat. Nos. 58962, 58963, U.S.N.M. 



Camarotcechia lindenensls Foerste. 



Camarotcechia lindenensis Foerste, Bull. Sci. Lab. Denison Univ., 14, 1909, p. 



98, pi. 1, fig. 13. 

 Niagaran (Brownsport) : Near Linden, Tennessee. 



Camarotcechia litchfleldensis (Schuchert). 



Atrypa sp. Hall, Pal. New York, 2, 1852, p. 330, pi. 74, figs. 11 and 12. 

 Rhynchonella(?) litchfieldensis Schuchert, Amer. Geol., 31, 1903, p. 167, figs. 

 Camarotcechia litchfieldensis Grabau, Bull. New York State Mus., 92, 1906, p. 



109, fig. 14.— Grabau and Shimer, N. A. Index Fossils, 1, 1907, p. 286, fig. 



350.— Maynard, Maryland Geol. Surv., Low. Dev., 1913, p. 353, pi. 63, figs. 



11-14. 

 Rhynchonella agglomerata Weller, Geol. Surv. New Jersey, Pal. 3, 1903, pp. 



234-235, pi. 21, figs. 5-11. 

 Cayugan (Cobleskill): Schoharie Valley, New York. 

 Helderbergian: Keyser, West Virginia; Maryland (Keyser); New Jersey (Decker 



Ferry). 



Camarotcechia litchfleldensis angustata Holtedahl. 



Camarotcechia litchfieldensis angustata Holtedahl, 2d Arctic Expl. "Fram," 1898- 



1902, No. 32, 1914, p. 22, pi. 8, fig. 1. 

 Helderbergian (Lower beds): Near Borgen, Southwest EUesmereland, Arctic 



America. 



Camarotcechia major Raymond. 



Camarotcechia major Raymond, Amer. Jour. Sci., 4th ser., 20, 1905, p. 369; Ann. 



Carnegie Mus., 7, 1911, p. 226, pi. 34, figs. 11-14. 

 Chazyan (Valcour): Cystid Point, Valcour Island, New York. 



