40 REPORT OF NATIONAL MUSEUM, 1900. 



KESEARCHE8 AND PUBLICATION >S. 



The present year saw the couipletioii of Jordan and Evermann's 

 elaborate manual of the Fishes of North and Middle America, which 

 constitutes BuHetin 47 of the National Museum. The companion work 

 on birds by Mr. Robert Ridgway progressed favorably and the manu- 

 script of the tirst volume was very nearly ready for the printer at the 

 close of the year. The first installment of completed manuscript, 

 about 250 pages, was submitted. A paper on the birds of Trong, 

 Lower Siam, collected b}^ Dr. W. L. Abbott, was begun by Dr. 

 Charles Richmond. 



Mr. B. A. Bean engaged in the study of the fishes of New York, 

 Woods Hole, Mass., and the District of Columbia, and also determined 

 the fishes collected by Mr. J. B. Hatcher in Patagonia. 



A revision of the two great groups of bivalve mollusks, the Telli- 

 nidiv and Cardiida^. including their classification and a review of the 

 American species, recent and Tertiary, was completed during the yesir 

 by Mr. William H. Dall. Over 100 new forms, recent and fossil, were 

 detected and described. 



Mr. Simpson completed his revision of the Naiades, or river mussels, 

 a work which represents luany years of arduous study, and may be 

 considered the most important contribution to the subject since the 

 appearance of Doctor Lea's last synopsis. Mr. Paul Bartsch has 

 undertaken and partially completed a revision of the Pyramidellidee 

 of the Pacific coast, a puzzling group of shells requiring much micro- 

 scopical inA''estigation. 



Mr. Richard Rathbun reports as follows regarding the scientific 

 work of the Division of Marine Invertebrates: 



The extensive collection of Decapod crustaceans obtained by the United States 

 Fish Commission steamer FIkIi Hawk in Porto Rico in the early part of 1899, were 

 transferred to this division for study. The report on the Anomura has been com- 

 pleted by Doi'tor Benedict, and that on the Macrura by Miss Rathbun, who has also 

 the jjortion on the Brachyura well under way. These reports will be published by 

 the Fish C'ommission. 



Doctor Benedict has nearly completed a monograph of the Galatheidje, to be pub- 

 lished in the Proceedings. 



■ Some of the Crustacea collected on the Branner-Agassiz expedition to Brazil in 1899, 

 by Dr. J. C. Branner and Mr. A. W. Greeley, have been worked up in this diWsion, 

 the Decapoda and Stomatopoda by Miss Rathbun, the Isopoda by Miss Richardson. 

 Reports on the same are now in press and will appear in the Proceedings of the 

 Washington Academy of Sciences. The Annelida of the same expedition will be 

 studied Ijy Doctor T-Jenedict. 



A begmning has been made toward a report on the Decapoda collected from Puget 

 Sound northward to Bering Sea by the Harriman Alaskan expedition, summer of 

 1899. 



Miss Rathbun has completed a report on the Decapod Crustacea of West Africa, 

 which has been published in the Proceedings, and has also made a series of keys to 

 North American crabs, two of which have already been published in the American 

 Naturalist. 



