491 Aves. 



41745 Hartert, E. 1900. [Chaetura Thomensis n. sp.) [Brit. Ornithol. Club, LXX.] 

 The Ibis, (7.) Vol. 6. July, p. 531—533. [598.8 G. 



46 Helme, Arth. H. 1900. The Large Finch [Chondestes grammacus) and Baird's 



Bunting [Ammodramus Bairdi) on Long Island, N. Y. The Auk, Vol. 25. 

 (N. S. Vol. 17.) No. 3. July, p. 296. [598.2 C. 



47 Currie , Eolla P. 1900. A new Bird of Paradise [Cicinnurus lyogyrus n. 



sp.). With 1 pl. Proc. U. S. Nat. Mus. Vol. 22. No. 1204. p. 497—499. 



[598.2 C. 



48Nitsche, H. 1900. Bemerkungen über das Vorkommen des schwarzbäu- 

 chigen Wasserschmätzers (Cinclus melanogaster Brehm.) u. einiger anderer 

 seltener Vögel im Königreich Sachsen. Sitzgsber. u. Abhlg. Naturw. Ges. 

 Iris Dresden, 1900. Jan./Juni, Abhdlgn. p. 32—56. [598.8 C. 



49 Nehrling, H. 1900. Evening Grosbeak (Coccothraustes vespertinus). The 



Auk, Vol. 25. (N. S. Vol. 17.) No. 3. July, p. 294—295. [598.8C. 



50 Clark, Josiah H. 1900. Notes on the Nesting of the Blue-throated Hum- 



ming-Bird [Coeligena Clemenciae). The Auk, Vol. 25. (N. S. Vol. 17.) 

 No. 3. July, p. 294. [598.8 C. 



51 Finseh, 0. 1900. Über eine anscheinend neue Art Dicaeum vom Arfak- 



Gebirge (Neu Guinea). Notes Leyden Mus. Vol. 22. No. I/II. Note VII. 

 p. 70. [598.8D. 

 [D. arfakianum.) 



41752 Hildebrand, F. 1900. Über Bastarde von Stieglitz und Hänfling. Zool. 

 Garten, 41. Jhg. No. 8. p. 246—248. [598.8F. 



53 Palmer, Will. 1900. Ecology of the Maryland Yellow-Throat [Geothlypis) 

 and its allies. The Auk, Vol. 25. (N. S. Vol. 17.) No. 3. July, p. 216 

 —242. [598.8G. 



54E.eichenow, Ant. 1900. Zwei neue Arten von der Tschakosinsel [ZTomo- 

 palia Chuniy Butorides alholimbatus nn. spp.]. Ornith. Monatsber. 8. Jhg. 

 No. 9. p. 140 — 141. [598. 8H. 



55 Howe, Keginald Heber. 1900. A new Subspecies of the Genus Hyhcichla. 



The Auk, Vol. 25. (N. S. Vol. 17.) No. 3. July, p. 270—271. [598.8H. 



{H. fuscescens fuliginosa n. subsp.) 



56 Butterfield, W. Ruskin. 1900. (Hypolais polyglotta in Britain.) The Ibis, 



(7.) Vol. 6. July, p. 569—570. [598.8H. 



57 Helme, Arth. H. 1900. Large Flight of White-winged Crossbills (Loxia 



curvirostra minor) von liOng Island, N. Y. The Auk, Vol. 25. (N. S. 

 Vol. 17.) No. 3. July, p. 295—296. [598.8L. 



58 Jonas, Lynde. 1900. The Songs of Warbiers (il^mW*7Äe.) Laborat. Bull. 



No. 10. Oberlin College, March 20, 1900. Also issued as Wilson, Bull. 

 No. 30. 80. (56 p.) [598.8M. 



59Grant, W. E. Ogilvie. 1900. (On Oriolus monachus.) With 2 fig. The 

 Ibis, (7.) Vol. 6. July, p. 565—567. [598.8 0. 



41760 Rothschild, The Hon. W. 1900. (A new Bird of Paradise, Parotia Duiven- 

 bodei) [Brit. Ornithol. Club, LXX.] The Ibis, (7.) Vol. 6. July, p. 541 

 — 542. [598. 8P. 



20. IX. 1900. 



