BIBLIOGRAPHY OF THE U. IS. NATIONAL MUSEUM, 1893. 307 



■SHUFELDT, Roijeht W. A chapter on 

 snakes. 



Great Divide, Denver, Colo., Mar(li,1893, i)|). 

 16-17, 5 figures in the text. 

 A popular description of harmless and poi- 

 sonous snakes of this country and elsewhere, 

 as well a.s characters by which they may be 

 distinguished. Reference made to many speci- 

 mens collected by the author and now in the 

 V. S. National Museum. 



On the cliissitication of the Longi- 



peunes. 



Am. Xaturalist, xxvu, Xo. 315, I'liiladel. 

 phia, March, 1893, pp. 233-237. 

 It proposes a suborder for the Longipennes, 

 to be divided into three families, viz, the Lari- 

 die, the Stercorariidte, and the Rhyncopidfe. 

 The LaridcB to be divided into subfamilies, 

 viz, the Larinse and the Sterniuie. The study 

 is based upon an examination of the osteologi- 

 cal material in the National ^lu.seum and in the 

 author's own collection. 



The Chionididie. A review of the 



opinions on the systematic position of 

 the family. 



Auk., x,Tso. 2, New Tork, April. 1893, pp. 

 158-165. 

 Proposes the following classification: Subor- 

 der, Chionides; family, Chionididie ; genera, 

 Chionarchus, Ghionis; species, Chionarchus 

 minor, Chionis alba. Tshi paper is based upon 

 iluseum materiiil. 



Ridgway on the anatomy of the 



Hnmming Birds and Swifts: A rejoin- 

 der. 



Am. Naturalist, xxvn. No. 316, Philadel- 

 phia, April, 1S93, pp. 367-371. 



' — Comparative osteological notes on 

 the extinct bird Ichfhyor^is. 



Journ. Anatomy and Phiininlogy, xxvn, new 

 series, vn, Part ni, Art. 2. London, April. 

 1893, pp. 336-342. 

 Critically compares Ichthyornis with Larus 

 Sterna and allied forms, and points out tlie fact 

 that there are a number of osteological resem- 

 blances between the skulls of Ichthyornis aud 

 Jihynchops, and a great many more than we 

 find between Ichthyornis aud Sterna, as was 

 supposed to be the case by Marsli. 

 This paper is based upou Museum material. 



Humming Birds and Swifts again. 



Pop. Sci. Ketvs, xxvil. No. 5, Boston, May, 

 1893, p. 75. 



Queer Beasts. 



Xational Tribune, xii. No. 44, (whole No. 



616), Wiisliingtou, D. C, June 1, 1893, p. 8. 



A popular illustrated article describing a 



number of the fossil remains of animals in the 



collections of the F. S. Xational Museum and 



elsewhere, and ntjier matters pertaining thereto. 



SIMPSON, Chakles Torrey. Collect- 

 ing notes. 



Xautilus, VI, No. 4, August, 1892, pp. 37-40. 



Notes on the Unionida' of Florida 



and the Southeastern States. 



Proc. U.S.Nat. Mus., xv.. No. 911, October 

 28, 1892, pp. 405-436, pla. xlix-lxxiv. 

 The above paper attempts an outline of the 

 natural system of classification of the Union 

 idas and of their distribution in North America. 

 The species of the region in question are com- 

 pared aud arranged m groups, illustrated with 

 outline figures, and a large number are reduced 

 to synonymy. TJnio subluridus Simpson, TJ. 

 singleyanus (Marsh. MS.), and IT. ferrisii 

 (Marsh. MS.), art^described as new. 



On a revision of the American Unio- 



nid;e. 



Xautilus, VI, No. 7, November, 1892, pp. 78-80. 



A new Anodonta. 



Xavtilus, VI, No. 12, April, 1893, pp. 134- 

 135. 



Anodonta II larmiana, from Arizona, de 

 scribed as new. 



Cilio coruscu-i, siiblitridtts, etc. 



Nautilus, VI, No. 12, April, 1893, pp. 143- 

 144. 



On the relationships and di.stribu- 



tion of the North American Unionidie, 

 Avith notes on the west coast species. 

 Am. Xaturalist, xxvii. No. 316, April, 1893. 

 pp. 353-358. 

 In this paper a more elaborate statement is 

 made of the distribution aud relationship of 

 our North American naiades, and an attempt 

 is luade to trace the origin of the Pacific Coast 

 forms. 



A review of von Ihering's classifica- 

 tion of the Unionidie and Mutelidie. 

 Xautilus, VII, No. 2. .June, 1893, pp. 17-21. 



A reply to Prof. AVheeler. 



Nautilus, VII, No. 2, June, 1S93, pp. 22-23. 

 SMITH, Hugh M. Report on a collec- 

 tion of fishes from the Albemarle 

 region of North Carolina. 



Bull. U. S. Fish Com., 1891, pp. 185-200. 

 This paper is based in part upon Museum 

 material. 



SMITH, John B. Revision of the genus 



CmnUki; revision of the Dicopiiuv; 



revision of Xylomiges and Morrisonia. 



Proc. U. S. Nat. ilus., XV, Nos. 890-892, 



August 8, 1892, pp. 33-86, pis. ll-lll. This 



paper Is based upon Museum material. 



