50 15ULLETIN 51, UNITED STATES NATIONAL MUSEUM. 



P. 3n(). Description of some new birds from Lower C'alifornia, col- 

 lected l)y Mr. L. Belding. B}' Robert Ridgway. 



pp. Ifvl-lftC). 



P. 301. AiifJius cervhiiu Pallas, in Lower California. By Robert Ridg- 

 way. 



pp. 156-157. 



P. 362. Note on Merula ccmfinis Baird. l^y Robert Ridgwa3^ 



pp. 158-159. 



P. 303. Preliminary note on the crystalline .schists of the District of 

 Columbia. By George P. Merrill. 



pp. 159-101. 



P. 36i. Catalogue of a collection of ethnological specimens obtained 

 from the Ugashagmut tribe. Ugashak River, Bristol Bay, 

 Alaska. By William J. Fisher. 



pp. 161-1G5. 



P. 365. On the collection of Maine building stones in the United 

 States National Museum. By George P. Merrill. 



pp. 165-183. 



P. 366. On the Macrocheilus of Phillips, Ph^ctostyliis of Conrad, and 

 Soleiiiscus of Meek and Worthen. By Charles A. White. 



pp. 184-187, 1 plate. 



P. 367. A review of the American Caranginaj. By David S. Jordan 

 and Charles H. Gilbert. 



pp. 188-207. 



P. 368. Note on the genera of Petromyzoutidje. By David S. Jordan 

 and Charles H. Gilbert. 



p. 208. 



P. 369. Description of a new MursBnoid eel {Sklera <• hi evades)^ from 

 the Galapagos islands. By David S. Jordan and Charles H. 

 Gilbert. 



pp. 208-210. 



P. 370. Description of a new species of Rhlnohatu.s {Rhinobatux <jlau- 

 costigina)^ from Mazatlan, Mexico. By David S. Jordan and 

 Charles H. Gilbert. 



pp. 210-211. 



P. 371. List of duplicate marine invertebrates distributed by the 

 United States National Museum. Series IV. Educational 

 Series No. 2. By Richard Rathbun. 



pp. 212-216. 



P. 372. The life colors of Cremnobates integripinhln. By Rosa Smith. 



pp. 216-217. 



P. 373. Note on the occurrence oi Gasferosteus wllUamsoni Grd. , in an 

 artesian well at San Bernardino, California. By Rosa Smith. 



p. 217. 



P. 374. List of the Crustacea dredged on the coast of Labrador by the 

 expedition undei- the direction of W. A. Stearns, in 1882. 

 By Sidney I. Smith. 



pp. 218-222. 



