KEPORT OF THE SECRETARY 27 



to the Museum and has been mounted and placed on exhibition. It 

 is of maximum size and is far larger than any other in our collec- 

 tions. The Bureau of Fisheries, United States Department of Com- 

 merce, transferred a large collection of fishes, principally from 

 Chesapeake Bay and its tributaries. 



Type specimens of annelids, sponges, sipunculid worms, and 

 Crustacea were presented to the division of marine invertebrates, 

 while 114 types of helminths from Prof, Edward Linton, and the 

 entire collection of Dr. W. G. MacCallum, of Johns Hopkins Hos- 

 pital, with various other type specimens from collaborators, were 

 added to the section of helminths. 



Large collections of grasses from Japan, Madagascar, and else- 

 where were transferred by the Department of Agriculture. A large 

 series of specimens of cultivated plants came from the Brooklyn 

 Botanic Garden. 



Geology. — Thirty-two mineral species new to the collections were 

 obtained during the year, mainly through purchase under the 

 Koebling fund. There were obtained also under this fund a large 

 mass of native silver and calcite estimated to contain 220 pounds of 

 pure silver, and a section of a vein of similar material carrying 190 

 pounds of silver from the Keely mine in the cobalt district of 

 Ontario, a large cut black diamond weighing 8.97 carats for the 

 exhibition series, and the fossilized vertebra of an extinct reptile of 

 large size that has been changed in fossilization to a fine quality of 

 precious opal, a most unusual specimen. There was included also a 

 flawless crystal of scapolite, said to be the largest crystal of this 

 mineral yet found, two bowlders of precious jade, and a tourmaline 

 weighing 401^ carats. The Chamberlain fund contributed to the 

 Isaac Lea collection three Mexican opals of unusual color, a green 

 tourmaline weighing 17.9 carats, five rubies from Siam, carved 

 articles of jade, coral, rose quartz, and carnelian, and other interest- 

 ing and valuable articles. 



Specimens of nine meteorites, added to the collection through 

 exchange or purchase, include one complete iron weighing 23 pounds 

 from near Santa Fe, N. Mex., and other valuable examples. A com- 

 plete set of the potash minerals of the Carlsbad (N. Mex.) deposits 

 was secured with the assistance of Dr. W. T. Schaller through the 

 courtesy of the United States Potash Co. Silver, nickel, and cobalt 

 minerals and ores from various localities in Ontario were collected 

 during field work by the assistant curator of mineralogy. A set 

 of platinum ores from South Africa was obtained through the 

 cooperation of the Geological Survey of the Union of South Africa. 



Dr. A. F. Foerste contributed a series of 1,000 invertebrate fossils 

 from the Silurian deposits of the Ohio Valley. Type material in 

 Foraminifera was presented by Dr. J. A. Cushman, Mr. John W. 



