﻿CONTENTS 



1. Hrdlicka, Ales. The natives of the Kharga Oasis, Egypt. Pub- 



lished April 15, 1912. VI, 118 pp., 38 pis. (Publication number 

 2071.) 



2. Dall, William Healey. New species of fossil shells from Panama 



and Costa Pica. March 2, 1912. 10 pp. (Pub. No. 2077.) 



3. HoLLiSTER, N. Description of a new subspecies of monkey from 



British East Africa. March 2, 1912. 2 pp.' (Pub. No. 2078.) 



4. Busck, August. Descriptions of new genera and species of micro- 



lepidoptera from Panama. March 9, 1912. 10 pp., 1 pi. (Pub. 

 No. 2079.) 



5. Viereck, H. L. New genus and species of hymenoptera of the 



family Braconida? irom Panama. March 9, 1912. 2 pp. (Pub. 

 No. 2080.) 



6. True, Frederick W. The genera of fossil whalebone whales allied 



to Balsenoptera. April 3, 191^. 8 pp. (Pub. No. 2081.) 



7. Weymouth, Frank Walter, and Eichardsox, Charles How- 



ard, Jr. Observations on the habits of the Crustacean Emerita 

 Analoga. May 10, 1912. 13 pp., 1 pi. (Pub. No. 2082.) 



8. Flexxer, Simox. Hamilton Lecture. Infection and recovery from 



infection. May 29, 1912. 14 pp., 5 pis. (Pub. No. 2083.) 



9. Baker, A. B. National Zoological Park. Notes on animals now, 



or recently, living in the National Zoological Park. May 17, 

 1912. 3 pp., 1 pi. (Pub. No. 2085.) 



10. Baker, A. B. National Zoological Park. Further notes on the 



breeding of the American black bear in captivity. May 17, 1912. 

 4 pp. (Pub. No. 2086.) 



11. Expeditioxs organized or participated in by the Smithsonian In- 



stitution in 1910 and 1911. July 17, 1912. 51 pp., 1 pi. (Pub. 

 No. 2087.) 



12. Eohwer, S. A. Sawflies from Panama, with descriptions of new 



genera and species. May 18, 1912. 6 pp. (Pub. No. 2088.) 



13. Eathbux, Mary J. New decapod crustaceans from Panama, May 



20,1912. 3 pp. (Pub. No. 2090.) 



(v) 



