BIBLIOGRAPHY. 



145 



WILSON, Thomas, and Gore, J. How- 

 ard — Continued. 

 tLo United States to the International 

 Exposition held at Brussels in 1897. 



Seiiaie Doc, No. 152, 55th Cong., 2d sess., 

 80, pp. 1-43, pLs. 1-9. 

 See pages 35-43 for description of Science 

 Section. 



WORCESTER, Dean C, and BOURNS, 

 Frank S. Contributions to Philip- 

 pine ornithology. 



I'roc. 17. S. Nat. Jlfus., xx.No. 1134, ?eb. 



17, 1897, pp. 549-625, pis. LV-LXI. 

 Part I, "A list of tlie birds known to in- 

 habit the Philippine and Palawan islands, 

 showing their distribution within the limits 

 of the two groups," by Dean C. Worcester, 

 A.B., and S'rauk S. Bourns, M. D. Gives a 

 tabulated statement of 595 species known to 

 inbabit the Philippine and Palawan groups of 

 islands, of which 69 species are restricted to 

 the last-named group. The distribution of 

 the species in the various islands is indi- 

 cated, and species peculiar to the Philippines 

 are designated by the use of italics. 



Part II, entitled " Notes on the distribution 

 of Philippine birds," by Dean C. AVorcester, 

 deals with the distribution of species in the 

 Philippines; the zoological position of the 

 Palawan group, and the relationships of 

 species in the diflerent islands ; a discussion 

 of Steeres's law of distribution ; factors in the 

 origin and distribution of tbe genera and 

 species of resident Philippine land birds 

 (illustrated by six plates), and the possibili- 

 ties of future ornithological work in the 

 Philippines. 



NAT MUS 98 10 



WRIGHT, Berlin H. New unios. 



Nautilus, XI, Aug., 1897, pp. 40-41; Sept., 

 1897, pp. 55, 56. 

 In the first article TJnio pinei, n. .sp., from 

 an uuuaraed lake in the Withlacoochee Kiver 

 region of Hernando County, Fla., is described. 

 In the second article Unio huxtoni from 

 small lakes in Marion County,. Fla., is de- 

 scribed, and Unio iuttoni from near Lake 

 Candler, Marion County, Fla. 



A new plicate unio. 



Nautilus, XI, Dec, 1897, pp. 91, 92. 

 TJnio walkeri, from Suwanee River, Madi- 

 son County, Fla., is described. 



Anew undulate unio from Alabama. 



Nautilus, XI, Jan., 1898, pp. 101, 102. 

 TJnio triumphans, from the Coosa Kiver, 

 St. Clair County, Ala., is described. 



Description of a new unio. 



Nautilus, XI, Feb., 1898, pp. Ill, 112. 

 TJnio reclusus, from the Ocklocknee River, 

 Leon County, Fla., is described. 



New varieties of Unionidse. 



Nautilus, XI, Mar., 1898, pp. 123, 124. 

 A description of a variety, armathwaitensis, 

 of TJnio gihbosus, from a branch of the South 

 Fork of the Cumberland River at Arma- 

 thwaite, Fentress County, Tenn. 



New UnionidiB. 



Nautilus, XII, May, 1898, pp. 5, 6. 



TJnio strodeanus and a variety, strigillatus, 

 of TJ. cylindricus are described. 



The types of Mr. Berlin H. Wright's new 

 anios were donated to the U. S. National 

 Museum. 



