84 REPORT OF NATIONAL MUSEUM, 1923. 



Jey, Calif., 22 specimens including a part of the type material of 

 Ihe species jiirupaite, wilkeite, and terrestrial troilite. An exchange 

 was also arranged with M. Vonsen, Petaluma, Calif., by which 

 were acquired large masses of the terrestrial troilite and other min- 

 erals. Assistant Curator Foshag has been commendably active in 

 negotiating these exchanges and is largel}' responsible for their suc- 

 cessful execution. 



Materials of interest and value have been received through dona- 

 tions. C. B. Ferguson, of Atlantic City, N. J., presented a number 

 of Alaskan minerals which he collected from Copper Mountain, 

 Prince of Wales Island. These include fine specimens of crystallized 

 epidote, garnet, and other minerals. Unusuall}^ fine crystals of 

 thenardite from Deep Spring Valley, Inyo County, were donated by 

 the Industrial Research Company, San Francisco, Calif. : Dr. N. H. 

 Darton, Washington, D. C, furnished examples of cumengite, percy- 

 lite, and other minerals from Boleo, Lower California; Dr. H. E. 

 Merwin, Geophysical Laboratory, Carnegie Institution of Washing- 

 ton, type specimens of lepidocrocite and an example of prismatine; 

 Col. W. A. Roebling, Trenton, N, J., specimens of beckelite and 

 paligorskite, both new to the collections. 



Through the Frances Lea Chamberlain endowment fund a num- 

 ber of attractive gem stones have been purchased for the collection. 

 These are : A cut citrine quartz, of unusual quality and size, weigh- 

 ing 1180 carats; large aquamarines from Brazil and Madagascar; 

 a golden green beryl from Madagascar and a fine pink one from 

 California; an unusual colored garnet of the variety essonite, also 

 from California; a 9.5 carat blue zircon from Queensland: a Chinese 

 carved pendant of pink tourmaline of large size and exquisite color- 

 ing; a mandarin buckle of nephrite: and two carved Chinese jadeites. 



The most important accession received in the division of paleon- 

 tology in several years is the collection of the late Orestes St. John, 

 presented to the Museum by Dr. Frank Springer, to whom it was left 

 upon the death of Mr. St. John. The collection consists of: (1) A 

 general collection of Devonian fossils made during Mr. St. John's 

 younger days in Iowa: (2) his large and extremely valuable collec- 

 tion of Selachian fish remains, accumulated in connection with his 

 special studies, chiefly from the western Carboniferous. This con- 

 tains numerous types of species described by him in the Illinois 

 reports, and also a large amount of original material forming the 

 subject of further extensive researches never published. In addition 

 to the results of his personal collecting during forty years of diversi- 

 fied field work, there is included a large quantity of very choice 

 Cestraciont fish material obtained by Doctor Springer himself, 

 largely from a fortunate discovery in the Burlington limestone; and 



