18 ANNUAL REPORT SMITHSONIAN INSTITUTION, 1944 
the genera Ochoterenella, Choledocystus, Choricotyle, Diphylloboth- 
rium, Hexostoma, Cyclocotyla, and Raillietina. 
Among the 89 echinoderms accessioned were 6 undescribed species, 
6 paratypes of new ophiurans, and 2 interesting abnormal starfishes. 
Outstanding among the 36,240 plants received during the year was 
the Chickering herbarium of approximately 10,550 specimens. This 
herbarium, formed by the late John White Chickering, Jr., is a valu- 
able addition as it includes material of historical importance from 
collections not at all or scantily represented previously. Also in- 
cluded are numerous specimens from the District of Columbia, of 
which many were collected in plant habitats now destroyed. Most 
of the smaller collections received came from South American or 
West Indian localities. Of special importance among these were 
about 2,500 specimens of bamboos, including an unusually good repre- 
sentation of vegetative structures important to the field identification 
of the bamboos. 
The Albert Mann diatom collection, consisting of approximately 
8,000 slides of mounted specimens, more than 10,000 samples of crude 
diatom material, and over 200 negatives and 300 lantern slides, trans- 
ferred from the Carnegie Institution of Washington, was formally 
accessioned during the year. In combination with the other material 
this makes the Museum collection of diatoms one of the most im- 
portant in the world. 
Geology.—Income from the Roebling fund, provided for the pur- 
chase of important gems and minerals, was used to procure 31 gem 
stones of rare quality and high exhibition value and 2 mineral acces- 
sions, consisting of 4 unusually formed quartz crystals and 8 trans- 
parent colorless scheelites. A beautiful pink Brazilian topaz of 34.1 
carats was acquired through the Frances Lea Chamberlain fund, and 
the Canfield endowment fund provided two specimens of libethenite 
and acovellite. Several important single accessions came as the result 
of the associate curator’s efforts to interest people in making collec- 
tions for the Museum. By transfer from another Government de- 
partment the division of mineralogy and petrology received specimens 
of weinschenite (yttrium phosphate), representing the first occurrence 
of this rare mineral in the United States. 
Seven new meteorites were added to the collection, six of them being 
undescribed falls. 
The largest addition to the ore collection consisted of a series of 
manganese and chromium ores from world-wide foreign deposits. 
The most important new material received by the division of in- 
vertebrate paleontology and paleobotany consisted of 500 specimens of 
rare Paleozoic fossils collected by the curator during his field work 
in northwestern Sonora, Mexico. 
