528 BULLETIN UNITED STATES GEOLOGICAL SURVEY. [FoJ.V. 



1878. [ABBOTT, L. S.] Hibernation of Birds. <^ The Couniry, i, Jan. 19, 1878, p. 

 165. See pp. 55, 133, 181. 

 Invalidating the evidence of hibernation of Swallows given torn, dt, p. 55. 



1878. Anox. Curious, If True. < Forest and Stream, x, June 20, 1878, p. 379. 



Account of a horseman attacked and iiyured by troops of Swallows in Virginia. — Copied 

 from Springfield (Mass.) Union, June 10, 1878. 



1878. Anon. The Purple Martin. (Progne Purpuria. ) <^Journ. of Sci. {Toledo, Ohio), 

 U.S., i. No. 6, Sept., 1878, cut. 

 Popular account, with a figure. 

 1878. Anox. Bank Swallow [Cotyle riparia] — natural size. <^Journ. ofSei. (Toledo, 



Ohio), n. s., i, No. 6, Sept., 1878, .suppl. sheet, tig., no text. 

 1878. Anon. The Barn Sparrow [sic]. (Hirundo Horreorum.) <JoH>-n. o/iSci. (To- 

 ledo, Ohio), 2d ser., i, No. 9, Dec, 1878, cut. 

 Popular biography, with a figure. 

 1878. COUES, E. The Eave, Cliff, or Crescent Swallow (Petrochelidon lunifrons). 

 < Bull. Xutt. Ornith. Chth, iii, No. 3, July, 1878, pp. 105-112. 



Biographical sketch, "by permission, from advance sheets of the 'Birds of the Colorado 

 Valley', vol. i." 

 1878. [Ingersoll, E.] Hibernation of Birds, again. < The Country, i, Jan. 5, 1878, 

 p. 133. See pp. .55, 165. 

 Critical notice of alleged torpidity of Swallows in Maine and Michigan. 



1878. Smith, Everett. Notes on the Hibernation of Birds. < The Country, i, Jan. 

 26, 1878, p. 181. See pp. 55, 133, 165. 



1878. Trotter, S. Description of a Hyljnd (Hirundo horreori-lunifrons) between two 



North American Swallows. </>«//. Xuft. Ornith. Club, iii. No. 3, July, 1878 

 lip. 135, 136. 



The first instance of hybridity in this family reported in this country. The specimen has 

 since been examined by E. Coues, J. A. Allen, and others, who agree that there is no ques- 

 tion that it is a hybrid between Hirundo horreorum and Petrochelidon lunifrong. 



1879. Anon. Kough winged Swallow (Hirundo serripennis. ) <^Journ. of Sci. (To- 



ledo, Ohio), 2d ser., i. No. 10, Jan., 1879, cut. 

 Popular biography, with a figure. 



1879. Anon. Migrations of Swallows. <C The Chicayo Field, xii, No. 13, Nov. 8, 1879, 

 p. 199. 

 Touching also on their alleged hibernation. 



1879. BOARDMAN, G. A. luterestiug Note on All)iuisni [in Hirundo horreorum]. 

 <^ Forest and Stream, xiii, Aug. 7, 1879, p. 525. 

 "With a note on melanism in Turdu^ migratorius. 



1879. Bryant, Walter E. Cliff-swallows [Petrochelidon luuifrons] and their Para- 

 sites. < Science Xeivs, i, No. 9, Mar. 1, 1879, p. 144. 



1879. Stannis, J. A. The Eough-winged Swallow [Stelgidopteryx serripennis] in 

 Connecticut. <^BuU. Xutt. Ornith. Club,iv, No. 2, Apr., 1879, p. 119. 



1879. [WiLLARD, S. L.] [Laying of Cotyle riparia in nest of Ceryle alcyon.] < The 

 Oologist, iv, No. 11, June, 1879, p. 86. 



