43 



nition . . . . Each form recognized is described in detail, and the whole 

 subject is treated with Mr. Hidgway's usual care and completeness. 

 J. A. A., Hull. Null. Ornilk. Club, Vol. VIII. , p. 114, April, 1883. 



RIDGWAY, ROBERT. List of Species of Middle and South American 

 Birds not contained in the United States National Museum. By 

 Robert Ridgway. Proc. U. & Nat. Mus., Vol. IV., 1882, pp. 165- 

 203. Author's separates issued Aug. 11 and Nov. 18, 1881. 



. . . .The species wholly unrepresented are very few .... J. A. A., 

 Hull. Nutl. Ornilh. Club, Vol. VIII., p. 170, July, 1883. 



RIUGWAY, ROBERT. List of Special Desiderata among North Ameri- 

 can Birds. By Robert Ridgway. Proc. U. X Nat. Mus., Vol. 

 IV., 1882, pp. 207-223. Author's separates issued Nov. 18, 1881. 



RIDGWAY, ROBERT. Catalogue of Old World Birds in the United 

 States National Museum. By Robert Ridgway. Proc. U. 8. Nat. 

 Mus., Vol IV., 1882, pp. 317-333. Author's separates issued 

 March 8, 1882. 



....The numeration and classification adopted is that of Gray's 

 well-known "Hand-list," J. A. A., Bull. Null. Ornilh. Club, Vol. VIII., 

 p. 231, October, 1883. 



RIDGWAY, ROBERT. Notes on some Costa Rican Birds. By Robert 

 Ridgway. Proc. U. >. Nat. Mus., Vol. IV., 1882, pp. 333-337. 

 Author's separates issued March 10, 1882. 



RIDGWAY, ROBERT. Description of a new Flycatcher and a supposed 

 new Petrel from the Sandwich Islands. By Robert Ridgway. 

 Proc. U. <?. Nat. Mas., Vol. IV., 1882, pp. 337, 338. Author's 

 separates issued March 29, 1882. 



RIDGWAY, ROBERT. Description of anew Owl from Porto Rico. By 

 Robert Ridgway. Proc. U. *S'. Nat. Mus., Vol. IV., 1882, pp. 366- 

 371. Author's separates issued April 6, 1882. 



RIDGWAY, ROBERT. Description of two new Thrushes from the United 

 States. By Robert Ridgway. Proc. U. 8. Nat. Mus., Vol. IV., 

 1882, pp. 374-379. Author's separates issued April 6, 1882. 



RIDGWAY, ROBERT. On two Recent Additions to the North American 

 Bird Fauna, by L. Belding. By Robert Ridgway. Proc. U. S. 

 Nat. Mus., Vol. IV., 1882, pp. 414, 415. Author's separates issued 

 April 24, 1882. 



In numerous papers published in the "Proceedings" of the Na- 

 tional Museum for 1881 and 1882, Mr. Ilidgway has described a con- 

 siderable number of new species and races of birds and several ne^v 

 genera, chiefly from North and Middle America. They also contain 

 notes on a few other hitherto little known species. ... J. A. A., Bull. 

 Null. Ornith. Club, Vol. VIII., pp. 168, 16H, July, 1883. 



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