Bibliography. 169 



1872. 



10. RiDGW.vY. Robert. — New birds in Southern Illinois. <Am. Nat., 

 July, 1872, pp. 430-31. {Vireo belli, Peuccea cesticalis, Cyanospiza ciris, As- 

 furnia plagiata and Falco i)oli/(ic/rHs added to the fauna of the state (Fox Prai- 

 rie, Richland county).] 



1.S73. 



11. RiuGWAY, Robert. — The Prairie Birds of Southern lUinois. <A)H. 

 Xat., VII., April, 1873, pp. 197-203. [Based on observations made on Fox Prai- 

 rie. Richland county, in June and August, 1871.] 



1874. 



12. RiD(i\VAY, Robert.— Catalogue of the birds ascertained to occur in 

 Illinois. <Ann. L'/c. Xat. Hist., N. Y., X.. January, 1874, pp. 364-94. [A list 

 of 311 species, with range of each within the state approximately indicated.] 



13. Ridgway. Robert. — The Lower Wabash valley, considered in its rela- 

 tion to the Faunal Districts of the Eastern Region of North America. With a 

 synopsis of its Avian Fauna. <Pr. Boston Soc. Nat. Hist., XVI., February 18, 

 1874, pp. . 



"GENERAL SUMMARY." 



["Found irrespective of season, . . . . . . . .77 



Found only in summer, ......... 92 



Found only in winter, .......... 47 



Found only in spring and fall, ........ 73 



Total number of species, ..... 288 



Number of species breeding, about . . . . . . 155 



Number of species wintering, about ...... 155"] 



14. CoTJES, E. — Birds of Illinois. < Field and Stream {Chicago), May 2, 

 1874.' [A review of Ridgway 's "Catalogue of the Birds ascertained to occur in 

 Illinois," in Ann. Lye. N. Y., January, 1874, pp. 364-94.] 



1876. 



15. Nelson, E. W. — Additions to the Avi-fauna of Illinois, with notes on 

 other species of Illinois birds. <BiiU. Niitt. Oni. Cliih, I., No. 2, July, 1876, 

 pp. 39-44. [The species added iive,Myiadesies /o/<'«se«rfi, Waukegan, Decem- 

 ber 16, 1876; Coturnicidus lecontei, Riverdale, May 13, 1875; Ammodromns cau- 

 dacutus var. nelsoni, Calumet Lake, &c., June, September, November; ''Chor- 

 deiles 2>opetue var. ^e>?ry«," Waukegan, July, 1875; Buteo borealis var. calunis, 

 near Chicago, April, 1873; Ardea rufa, near Cairo, August, 1875.] 



16. Nelsox, E. W. — Notes upon birds observed in Southern Illinois, be- 

 tween July 17. and September 4, 1875. < Bull. Essex Inst., IX., 1876, pp. 32-65. 

 [Includes lists of the species observed at the following localities: Mt. Carinel 

 and vicinity, July 17 — September4 (pp. 32-46; 113 species); Fox Prairie, Rich- 

 land county, (pp. 47-50; 64 species); Cairo and vicinity, August 17-31 (pp. 

 50-61; 79 species); vicinity of Anna, Union county (pp. 61-4; 83 species). 

 Total number of species obsei-ved at the four localities, 133. J 



17. Nelson, E. W. — Birds of Northeastern Illinois, <Bull. Essex Inst., 

 VIII., December, 1876, pp. 90-155. [316 species and 12 additional "races;" 



B 



