19 
tendent of construction during the building of the laboratory 
boat. His entire time has been given to the Station work 
except for the teaching of one University class for one term, 
undertaken as an exchange of services with the zoological 
department. 
The entomological work has been, since the commence¬ 
ment, in charge of Mr. C. A. Hart, Systematic Entomologist of 
the State Laboratory, assisted for two of the summer months of 
1895 by Mr. Ernest B. Forbes. Mr. Hart’s share in the regular 
routine of Station operations has been the making of the inshore 
and longshore collections at the various substations. In addi¬ 
tion to his studies of the habits and life histories of aquatic 
insects, he has listed the Mollusca of the collections since 
September 8, 1894, and from that date to July 1, 1895, he was 
the sole continuous occupant of the Station, being responsible 
for the regular field work, carried on with the assistance of 
visiting parties from the State Laboratory, at Urbana. 
Mr. Adolph Hempel was engaged without interruption upon 
a study of the Protozoa and Rotifera of the Station from its 
opening to June 1, 1896. At this time the condition of his 
eyes forbade further use of the microscope and he was placed 
in charge of the Station launch as its licensed engineer. He 
occupied the Station alone during the winter of 1895-96, keep¬ 
ing up, with such assistance as it was necessary to engage from 
time to time, the regular routine of collections and observations 
at the various substations. 
Miss Lydia M. Hart, Artist of the State Laboratory, lias 
devoted a large part of her time to drawings in illustration of 
the various papers prepared by the Station force. She was at 
Havana during about a month of 1895, the remainder of her 
work in this direction having been done at the State Laboratory.. 
Mr. Ernest B. Forbes has served during the vacation period 
of three seasons, the first as a general zoological assistant, the 
second as an assistant in the entomological field work, and the 
third in making a special study of the Cyclopidse of the Station 
collections. 
Periodical chemical analyses of various waters collected at 
the Station have been made, from the first opening, under the 
direction of Professor A. W. Palmer, of the chemical depart¬ 
ment of the University of Illinois. Mr. C. F. Hottes, Botanical 
