REPORT OF NATIONAL MUSEUM, 1914. 115 
given generous support to field work, mainly, if not wholly, in its 
interest. 
Dr. W. L. Abbott, an associate of the Museum, continued his own 
explorations in the Himalayas, besides maintaining Mr. H. C. Raven 
in Dutch East Borneo, where, as elsewhere explained, he has been 
making large and valuable collections. Dr. Abbott recently sent 
Mr. Raven to the island of Celebes on a similar mission, and has 
placed at the disposition of the Institution sufficient funds to keep 
him in the field for another year. In July, 1913, Mr. John B. 
Henderson, a Regent of the Smithsonian Institution, made a dredg- 
ing trip to the waters around Chincoteague Island, Va., taking with 
him as a guest Dr. Paul Bartsch, assistant curator of mollusks. 
They secured a large quantity of material, including several new 
mollusks. During May and a part of June, 1914, Mr. Henderson 
undertook a much more elaborate expedition to the region off the 
northwestern coast of Cuba, having chartered a fishing vessel and 
well equipped it for the purpose. By his kind invitation, Dr. 
Bartsch was again able to join in the work, his special mission being 
to collect and make special preparations of marine invertebrates 
needed for the West Indian fauna in the exhibition series. The 
party also included Mr. G. W. Gill, who was charged with reproduc- 
ing the natural colors of specimens for the exhibits. The explora- 
tion was entirely successful, and its results, liberally shared with 
the Museum, consisted of both invertebrates and fishes secured by 
extensive dredging, towing, and shore collecting. Many specimens 
of land animals were also collected during occasional visits on shore. 
With Dr. Alfred G. Mayer, director of the Marine Biological 
Laboratory of the Carnegie Institution, Dr. Bartsch again visited, 
during the latter part of April, the Bahama Cervion plantations on 
the Florida Keys, of which accounts were given in the last two re- 
ports. These transplantations of large numbers of two races of 
Bahama shells of the genus Cerion were undertaken to ascertain the 
effect of their transference to a new environment. During this 
year’s examination the adults of the first generation were found, and 
most interesting results are reported regarding the changes which 
these present as compared with the material introduced. <A trip 
made by Dr. J. N. Rose, as a research assistant of the Carnegie In- 
stitution of Washington, through portions of Colorado, New Mexico, 
and Texas, was productive of a large and valuable collection of 
Cactaceae and also of other groups of plants, a large proportion of 
which will be deposited in the Museum. Mr. G. S. Miller, jr., 
curator of mammals, spent part of his vacation, during February, 
1914, at Biloxi, Miss., where he secured many interesting specimens. 
Other members of the staff on short trips have also added material 
to the collection, a large number of plants and some crayfishes hav- 
