126 IOWA STUDIES IN NATURAL HISTORY 
described by him is among the corals obtained. A large and 
exhaustive collection of the molluscan fossils was made and it 
is quite certain that many new forms were collected, among 
them a very fine species of the genus Oliva retaining the color 
markings remarkably well. The commoner genera occurring 
here are; Oliva, Cerithium, Astralium, Conus, Iwona, Cassis, 
Strombus, Voluta, Cancellaria, and Fissuridea among the gas- 
tropods and Lucina, Cardium, Spondylus, Pecten, Chama, Arca, 
and Venus among the pelecypods. In the fine marl on the floor 
of Mr. Manning’s cave was collected a large number of very 
minute forms which in Mr. Henderson’s opinion are not here- 
tofore reported from this part of the West Indies. There may 
be some new species among them. 
The collections made were augmented by many fine speci- 
mens from the collections of Sir Gilbert Carter, of Mr. Samuel 
Manning, of Mr. Charles Knight, and of Mr. H. P. Bascom 
all of whom generously donated many highly prized speci- 
mens, and rendered much valuable aid. Rev. N. B. Watson 
of St. Lucy’s Rectory also gave the writer many fine specimens 
not only of fossils but of marine and fresh water and land mol- 
lusea; he also loaned several valuable specimens of fossil sea- 
urchins for description and study. The latter gentleman’s in- 
timate knowledge of the natural history of Barbados was placed 
at the geologist’s service and he was saved many hours if not 
days of his own time by being able to go without loss of time to 
the most favorable localities. | 
Mr. William Nowell of the Imperial Department of Agricul- 
ture also very greatly assisted in the prosecution of the work 
He accompanied the geologist to the Scotland District and to 
Speneer’s at Christchurch. On both occasions his familiarity 
with geological and other conditions was of inestimable value 
for the rapid survey of the places visited. Through his kindness 
nearly all of the classical localities at which infusorial earth 
and Globigerina marl may be found were visited and much of 
these rare earths and marls was collected. Indeed teo much 
ean not be said for the heary cooperation and unbounded gener- 
osity of all the officials, colonial and imperial. 
A report is being prepared by the geologist on some of the 
geological features of the island, and an illustrated report on 
