23G BULLETIN 92, UNITED STATES NATIONAL MUSEUM. 



Climacograptus c^latus Lapworth. See Climacograptus antiquus. 

 CUmacograptus caudatus Lapworth. 



Climacograptus caudatus Lapwofth, 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.— Ellea and Wood, Mou. 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 bicomis 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); Mechanicsville, 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. 



CUmacograptus caudatus posterns Ruedemann. 



Climacograptus caudatus mut. posterns 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. 

 Eolotype and par atype. —Cat. 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, 400-403. 

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



York; Arkansas (Stringtown). 



Climacograptus oligotheca Gurley. 



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



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



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

 Trenton: Magog, Quebec (Magog); Arkansas. 

 Plesiotype.—Q'at. No. 54264, U.S.N.M. 



Climacograptus parvus Hall. 



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

 CUmacograptus 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, 



