23G BULLETIN 92, UNITED STATES NATIONAL MUSEUM. 



CLIMACOGRAPTUS CLELATUS Lapworth. See Climacograptus antiquus. 

 Climacograptus caudatus Lapworth. 



Climacograptus caudajps Lapworth, Cat. West. Scotland Foss., 1876, p. 6, pi. 2. 

 fig. 48; Rep. and Proc. Belfast Field Club, 1, pt. 4, 1877, p. 138, pi. 6, fig. 

 34. Linnarsson, Sver. Geol. Und. Ser. C, No. 31, 1879, p. 18. Lapworth, 

 Ann. Mag. Nat. Hist., 5th ser., 5, 1880, p. 358; 6, p. 22. Tullberg, Sver. 

 Geol. Und., Ser. C, No. 50, 1882, p. 20. Lapworth, Geol. Mag., 3d ser., 6, 

 pi. 2, 1889. Gurley, Hour. Geol., 4, 1896, p. 297. Roemer and Freeh, Leth. 

 Geog., Leth. Pal., 1, 1897, p. 614, fig. 179. Ruedemann, Bull. New York State 

 Mus., 42, 1901, p. 520. Elles and Wood, Mon. British Grapt., pt. 5, 1906, 

 p. 202, fig. 133; pi. 27, fig. 7. Ruedemann, Mem. New York State Mus., 11, 

 pt. 2, 1908, pp. 438, 439, pi. 28, figs. 17, 18, fig. 406. 



Climacograptus bicornis var. caudatus Ami, Canadian Geol. Surv. Rep., 2d ser., 

 3, pt. 2, 1889, p. 116K. 



Middle Ordovician shales: Great Britain and Scandinavia. 



Trenton: Magog, Quebec (Magog); Mechanics ville, New York (Snake Hill). 



Climacograptus caudatus laticaulis Gurley. 



Climacograptus caudatus laticaulis Gurley, Jour. Geol., 4, 1896, pp. 75, 93 (nom. 



nud.). 

 Trenton (Magog): Magog, Quebec. 



Climacograptus caudatus posterus Ruedemann. 



Climacograptus caudatus mut. posterus Ruedemann, Mem. New York State 



Mus., 11, pt. 2, 1908, p. 51 (nom. nud.). 

 Trenton shale of New York. 



Climacograptus kamptotheca Gurley. 



Climacograptus kamptotheca Gurley, Jour. Geol., 4, 1896, p. 76. 

 Trenton (Magog): Magog, Quebec. 



Climacograptus mississippiensis Ruedemann. 



Climacograptus mississippiensis 'Ruedemann, Mem. New York State Mus., 11, 



pt. 2, 1908, pp. 413, 414, pi. 28, fig. 13, text fig. 367. 

 Richmond (Sylvan): Arbuckle Mountains, Oklahoma. 

 Holotype and paratype.C&t. No. 54268, U.S.N.M. 



Climacograptus modestus Ruedemann. 



Climacograptus modestus Ruedemann, Mem. New York State Mus., 11, 1908, 



pt. 2, pp. 432, 433, pi. 28, fig. 30, 400-103. 



Chazyan (Normanskill) : Mount Moreno, near Hudson, and Lansingburg, New 

 York; Arkansas (Stringtown). 



Climacograptus oligotheca Gurley. 



Climacograptus oligotheca Gurley, Jour. Geol., 4, 1896, p. 76. 



Climacograptus cf. oligotheca Ruedemann, Mem. New York State Mus., 11, pt. 2, 



1908, p. 441, pi. 28, fig. 27. 

 Trenton: Magog, Quebec (Magog); Arkansas. 

 Plesiotype. Cat. No. 54264, U.S.N.M. 



Climacograptus parvus Hall. 



Climacograptus bicornis Hall, Pal. New York, 1, 1847, pi. 73, figs. 2e, k, o-s. 

 Climacograptus parvus Hall, Canadian Org. Rem., dec. 2, 1865, p. 57 (nom. nud.); 



20th Rep. New York State Cab. Nat. Hist., 1868, p. 224. Walcott, Trans. 



Albany Inst., 10, 1883 (adv. sheets 1879, p. 34); Bull. Geol. Soc. Amer., 1, 



