TITLES. 
Aves 31 
590. [Sharpe, R. Bowdler.] Report on the Birds obtained by the 
National Antarctic Expedition at the Island of South Trinidad. 
T. c. pp. 214-217. [Procellariiformes. ] 
592. . On further collections of Birds from the Efulen district of 
Camaroon, West Africa. Part I. T. c. pp. 88-106. \Columbiformes , 
Ralliformes, Ardeiformes , A ccipitriformes, Strigiformes . j 
593. . On further collections of Birds from the Efulen district of 
Camaroon, West Africa. Part n. [With notes on habits by G. L. Bates.] 
T. c. pp. 591-638, pi. xii. \Gharadriiformes , Accipitriformes , Hal- 
cyones , Bucerotes , Upupce , Caprimulgi, Cypseli, Trogones , Cuculi, 
Capitones , Pycnoiiotidcei] 
594. . On a new Swift from Camaroons. Bull. B. 0. 0. xiv, p. 63. 
[Cypseli.] 
595. . On the cruise of the 1 Emerald.’ T. c. pp. 63-65. 
596. . On Cory’s Gannet. T. c. pp. 65-69. [Pelecaniformes.\ 
597. . Photographs of the nesting of Cory’s Gannet. T. c. p. 76. 
598. . On new species of African birds. T. c. pp. 93 & 94. [ Columbi - 
formes , Sylmidce.] 
599. Shelley, G. E. On a new species of Lark. Bull. B. 0. C. xiv, 
pp. 82 & 83. [Alaudidce. J 
600. Shortridge, Guy C. On a collection of Birds from the neighbour- 
hood of Port St. John’s, in Pondoland. With a preface and notes by 
W. L. Sclater. Ibis 1904, pp. 173-208. [ Ardeiformes. ] 
601. Shufeldt, R. W. On the osteology and systematic position of the 
Pygopodes. Amer. Natural, xxxviii, pp. 13-49, with plate figg. 1-24. 
[ Podicipediformes , Colymbiformes.] 
602. . Comparison of the provisional schemes of the classification 
of birds. T. c. pp. 311-319. 
603. . An arrangement of the families and the higher groups of 
birds. T. c. pp. 833-857, text-figg. 1-6. 
Sibthorp, John. [See Sclater, P. L. (567).] 
604. Silloway, P. M. Additional notes to summer birds of Flathead 
Lake, with special reference to Swan Lake. With introduction by 
Morton J. Elrod. Bull. Univ. Montana, Biol. Series No. 6, 8vo, 
pp. 289-308, pis. liii-lvii, 1903. 
605. . Afield at Flathead. Condor vi, pp. 12-14. [Podicipediformes , 
Mniotiltidce, Tanagridoe , Regulidce .] 
606. . Extracts from some Montana note-books, 1904. T. c. pp. 148- 
150. 
Simpson, S. [See Galbraith (203).] 
607. Smedley, J. H. Finches in Northern Queensland. Emu iv, pp. 68 
& 69. 
608. Snodgrass, R. E. A list of land birds from central and Southeastern 
Washington. Auk xxi, pp. 223-233. 
609. & Heller, E. Birds of the Galapagos Archipelago. P. Washing- 
ton Ac. v, pp. 231-372. 
610. Snouckaert van Schauburg, R. Eine Fahrt durch einen friesischen 
Sumpf. Ornith. Jahrb. xv, pp. 230-237. 
