"924" the system is trinominal The work evinces the exer- 

 cise of the utmost care in its preparation. — J. A. A., Bull. Nuti. Ornith. 

 Club, Vol. VI., pp. 164-171, July, 1881. 



Ridgway, Robert. — A Revised Catalogue of the Birds ascertained to 

 occur in Illinois. By Robert Ridgway. Illinois Stale Laboratory 

 of Natural History. Bulletin No. 4. Blooruington, 111., May, 1881. 

 8vo., pp. 161-208. 



based primarily upon the same author's "Catalogue of the 



Birds ascertained to occur in Illinois," published in 1874, but adds 



M species. . . .341 now enumerated, besides 11 additional varieties. . . . 

 The species known to breed (213 in number) are distinguished by an 

 asterisk. . . .The nomenclature is that of Mr. Kidgway's recently pub- 

 lished " Catalogue of North American Birds " . . Illinois takes the lead 

 among the States in respect to number of species of birds . . . — J. A. A., 

 Bull. Null. Ornith. Club, Vol. VI , pp. 171, 172, July, 1881. 



Roberts, Thomas S. — The Winter Birds of Minnesota. By Thomas 



S. Roberts. Ni?ith Ann. Rep. Geol. and Nat. Hist. Surv. Minn., 



for 1880, 1881, pp. 373-383. 



. . . .treats. . . .of 52 species known to occur in the State in winter 

 . . . .the information given conveying a good idea of the bird-fauna at 



that season of the year — E. C, Bull. Nutl. Ornith. Club, Vol. VII., 



p. 47, January, 1882. 



Seebohm, Henry. — Catalogue of the Birds in the British Museum. 

 Vol. V. Catalogue of the Pass'eriformes, or Perching Birds in the 

 British Museum. Cichlomorplise : Part II., containing the family 

 Turdidre (Warblers and Thrushes). By Henry Seebohm. Lon- 

 don, 1881. 8vo., pp. xvi, 426, pll. xviii. 



. . . .this group is defined in Mr. Sharpe's scheme of classification, 

 with limits rather different from those usually assigned to it ...we 

 admire most heartily his [Mr. Seebohm 's] thorough treatment of the 

 subject in hand and the philosophic spirit in which he has approached 

 his task....— J. A. A., Bull. Null Ornith. Club, Vol. VIII., pp. 99-104, 

 April, 1883. 



Shabpe, R. Bowdler. — Catalogue of the Birds in the British Museum. 



Vol. VI. Catalogue of the Passeriformes, or Perching Birds, in 



the collection of the British Museum. Cichlomorphse : Part III., 



containing the first portion of the family Timeliidse (Babbling 



Thrushes). By R. Bowdler Sharpe. London, 1881. 8vo., pp. 



xiii, 420, pll. xviii. 



... .In respect to the classification followed in these volumes, Mr. 

 Sharpe states that it is based on that of the late Professor Sundevall. 

 .... —J. A. A., Bull. Nutl. Ornith. Club, Vol. VIII, pp. 104, 1C5, April, 1883. 



Shueeldt, R. W. — Osteology of Speotyto cunicularia var. hypogsea. 

 By R. W. Shufeldt, [First Lieutenant and] Assistant Surgeon, 



