646 BULLETIN UNITED STATES GEOLOGICAL SURVEY. [Vol.Y. 



1879. liiDGWAY, R. On a new species of Peuctea [illiiioeusis] from Southern Illinois 

 and Central Texas. < Bull. Nutt. Ornilh. Club, iv, No. 4. Oct., 1879, pp. 218-222. 

 Extended critical comparison vrith its allies, and G. H. Ragsdak-'s notes on its habits. 



1879. RiDGW.w, R. [Letter on Pencfea illinoensis. ] <^ Temperance Videtfe (Texas 



newspaper), Oct. 11, 1879. 

 l'-79. RiDGWAY. R. Henslow's Bunting (Coturniculus henslowi) near Washington. 



< Bull. Xuif. Oniith. Club, iv, No. 4, Oct., 1879, p. 238. 



1879. Roberts, T. S. Note on Hesperipliona vespertina. <^ Bull. Xuft. Ornith. Club, 

 iv. No. 4. Oct., 1879, pp. 237, 238. 

 The lateness (May 19) of its departure in the spring from Minnesota, whore it winters. 



1879. Sabix, W. W. [Nesting of Pipilo erythrophthalraus off the Ground.] <^T1\6 

 Oolo^M, iv, No. 6, Jan., 1879, p. 43. 



1879. Smith, G. S[titart]. Nesting of the Black-throated Bunting (Euspiza ameri- 



cana) <^ The Oologist, iv. No. 8, Mar. , 1879, pp. 58, 59. 

 1*79. Smith, G. S[tuart]. Nesting of the Sharp-tailed Finch (Ammodromus cauda- 



cutus). < The Oologist, iv, No. 9, Apr. , 1879, pp. 66, 67. 

 From original observations in Massachusetts. 

 1879. [WiLLARD, S. L. ] studies on Certain FringilUdae. — The Savannah Sparrow 



[Passerculus savanna]. <^ The Oologist, v, No. 2, Aug., 1879, p. 14. 



1879. [WiLL.^RD, S. L.] Studies on Certain FringillidiB. — The White-throated Spar- 

 row [Zonotrichia albicollis]. <^ The Oologist, iv. No. 9, Apr., 1879, p. 71. 



1879. [WiLLARD, S. L.] Studies on Certain FringillidiB. — The Black Snow Bird [Junco 

 hyemalis]. < The Oologist, iv. No. 11, June, 1879, p. 90. 



1879. [WiLLARD, S. L.?] Nest and Eggs of Carpodacus purpureus. <^ Temperance Vi- 

 dette (newspaper of Terrill, Texas), Nov. 22, 1879. 

 Copied from The Oologist. 

 1879. W[iLLiAMS, J/rs. J.] The Potato Bug Bird [j. e., Goniaphea ludoviciana]. 



< Forest and Stream, xiii, Nov, 20, 1879, p. 827. 



In the issue of the same paper of Dec. 18, 1879, appeared letters from " M." [A. C. McEl- 

 wrath], T. S. Roberts, and S. A. Forbes identifying the bird referred to by Mrs. Williams as 

 above, and testifying to its usefulness in destroying Doryphora 10-lineata, The same impor- 

 tant fact had been noticed by W. H. Mapes, Am. Nat, vii, 1873, p. 493. 



