7HA Correspondence. |_Oct. 



American Jour. Sci., July-Sept, 1899. 



Anales del Museo Nacional de Montevideo, II, fasc. 11, 1899. 



Annals of Scottish Nat. Hist., July, 1S99. 



Audubon Society of Connecticut, Second Ann. Report, June, 1899. 



Bird-Lore, No. 4, Aug., 1899. 



Birds and All Nature, VI. No. 2. Sept.. 1S99. 



Bulletin Cooper Orn. Club, I, Nos. 4 and 5, 1S99. 



Bulletin Michigan Orn. Club, I, No. 2, 1899. 



Canadian Record of Science, VII, No. 8, 189S; Vol. VIII, No. 1, 1S99. 



Gulf Fauna and Flora Bulletin, I, No. 1, June, 1S99. 



Forest and Stream, LII, Nos. 1-13, 1899. 



Journal of Maine Orn. Society, I, No. 3, July, 1899. 



Knowledge, XXII, Nos. 165-167, July-Sept., 1899. 



Naturalist, The, A Month. Journ. Nat. Hist, for North of England, 

 Nos. 510-51 1, Aug.-Sept, 1S99. 



Ornithologische Monatsberichte, VII, Nos. 7-9, July-Sept., 1899. 



Ornithologischen Monatschrift des Deutschen Vereins zura Schutze 

 der Vogehvelt, XXIV, Nos. 7-9, July-Sept., 1S99. 



Ornithologiscb.es Jahrbuch, X, No. 4, July-Aug., 1S99. 



Osprey, The, III, No. 10, June, 1S99; Vol. IV, No. 1, Sept., 1899. 



Ottawa Naturalist, XIII, Nos. 4-6, July-Sept., 1S99. 



Our Animal Friends, XXVI, Nos. 11, 12, XXVII, No. 1, July-Sept., 

 1S99. 



Revista do Museu Paulista, III, 1898. 



Science (2), Nos. 234-246, 1S99. 



Shooting and Fishing, XXVI, Nos. 11-22, 1S99. 



Wilson Bulletin, No. 27, July, 1899. 



Wombat, The, IV, No. 3, May, 1899. 



Zoologist, The (4), Nos. 31-33, July-Sept., 1S99. 



CORRESPONDENCE. 



The Proper Function of 'Binomials' and 'Trinomials.' 



Editors of 'The Auk': — 



Dear Sirs: — Without wishing to throw discredit upon the much 

 abused second edition of the A. O. U. Check-List of North American 

 Birds, I nevertheless feel called upon to draw attention to some incon- 

 sistencies contained therein, which indicate the present tendency to 

 depart from some of the Canons of Nomenclature originally adopted by 

 the Union. 



I refer to the nomenclature of island forms. The A. O. U. Code dis- 

 tinctly makes " intergradation the touchstone of trinomialism," and 



