REPORT OF NATIONAL MUSEUM, 1910. 39 



ready for publication. Besides the specimens in this Museum, he 

 has studied the collections of the Copenhagen University Museum, 

 the Australian Museum, the Berlin Museum, and the Indian Museum 

 at Calcutta, including those obtained by the German steamer Gazelle 

 and the Royal Indian survejdng steamer Investigator. Preliminary 

 papers have been published dealing with these various collections, 

 and also with certain points in the distribution, coloration, ecology, 

 and structure of these animals. In connection with, these investiga- 

 * tions, negotiations have been entered into \x\i\\ the Copenhagen 

 Museum, the Bergen Museum, the Berlin Museum, the Indian Museum, 

 the Australian Museum, and the Liverpool Museum, and \\4tli Prof. 

 Doderlein, of Strassburg, and Prof. Koehler, of Lyons, whereby the 

 National Museum will receive about 300 specimens, representing 

 some 50 species, most of which are new to the collection. 



Dr. Harriet Richardson continued studies on the isopod crustaceans, 

 describing various new forms from the collections obtained by the 

 United States Fish Commission between 1871 and 1887 on the north- 

 east coast of North America, until recently in the custody of Prof. 

 A. E. Verrill, and working up the specimens secured on the cruises 

 of the steamer Albatross to the northwestern Pacific Ocean in 1906 

 and to Philippine waters in 1907 to 1910. She also described the 

 isopods obtained by Dr. R. E. Coker in connection with fishery investi- 

 gations conducted for the Peruvian Government, a small collection 

 of terrestrial isopods from Costa Rica, collected by Dr. J. Fid. Tristan, 

 and the specimens from Mr. Owen Bryant's Labrador cruise, and 

 other sources. 



Dr. J. A. Cushman, of the Boston Society of Natural History, com- 

 pleted a paper on two families of foraminifera of the North Pacific 

 Ocean, Astrorliizidse and Lituolidae, from the collection of the Museum, 

 which was placed in his hands some time ago for monographing. 

 Dr. N. Annandale, director of the Indian Museum, Calcutta, sub- 

 mitted a fourth paper on fresh-water sponges contained in the 

 National Museum collection. Dr. Hubert Lyman Clark, of the 

 Museum of Comparative Zoology, completed his work on the large 

 collection of ophiurans, or brittle stars, of the North Pacific Ocean, 

 which will appear as a bulletin of the Museum, and also furnished a 

 description of a new species from the West Indies. Dr. W. K. 

 Fisher, of Stanford University, submitted the first part of a mono- 

 graph of the starfishes of the North Pacific Ocean, descriptive of the 

 Museum collection, which comprises some 6,000 specimens. Dr. 

 Charles B. Wilson, of the State Normal School, Westfield, Massa- 

 chusetts, presented three more papers on parasitic copepod crus- 

 taceans, chiefly Lernaeopodidse and Ergasihdse. Dr. J. H. Ashworth, 

 of the University of Edinburgh, reported on the annehds of the 

 family Arenicolidae of North and South America, including an account 



