MUSEUM OF COMPARATIVE ZOOLOGY. 13 



tation of a holothurian by light; 3. A note on the physiology 

 of the Cuvierian organs of Holothuria captiva Ludwig; 4. The 

 rhythmic pulsation of the cloaca of holothurians. The same 

 degree was conferred in June, 1915, on Leslie Brainerd Arey, 

 whose thesis was on The movements in the visual cells and retinal 

 pigment of the lower vertebrates, and on David Henry Wenrich, 

 whose thesis was on The spermatogenesis of Phrynotettix magnus, 

 with special reference to synapsis and the individuality of the 

 chromosomes. 



There were twelve persons, including the Director, in attendance 

 at the Bermuda Biological Station for Research this summer. 

 The Station was opened June 18, and most of those enrolled left 

 on August 3. Through the generous assistance of persons inter- 

 ested in Harvard University and Radcliffe College, the Station 

 has been put on a more desirable footing. Hitherto it has been 

 open during only a few weeks each summer. By the appointment 

 of Dr. William J. Crozier as Resident Naturalist, and Mrs. Crozier 

 as Librarian and Recorder, for a period of three years, and by a 

 renewal for the same period of the privileges granted by the 

 Bermuda Natural History Society in support of the undertaking, 

 the Station is assured a more productive future. Hereafter it will 

 be possible for investigators of either plant or animal life, and 

 those interested in oceanographic problems to carry on their work 

 at the Station at any season of the year. Five of the students 

 from Harvard received aid from the Humboldt Fund aggregating 

 $278.86, and one other received from a private source $50. 



The Harvard Table at the Marine Biological Laboratory, 

 Woods Hole, was occupied from June 30 to August 10 by two 

 graduate students, one pursuing the course in physiology, the other 

 the course in embryology. 



The Radcliffe Table was shared by a zoological student of the 

 class of 1915, taking the course in embryology, and a botanical 

 student. 



A Harvard graduate student and a special student of Radcliffe 

 carried on work at the laboratory of the United States Bureau 

 of Fisheries at Woods Hole. 



The Zoological Club held twenty-six meetings, at which there 

 were presented twenty-eight original papers and numerous ab- 

 stracts and reviews. The average attendance was over nineteen. 



A list of the Contributions from the Zoological Laboratorv and 

 Contributions from the Bermuda Biological Station is given on 

 p. 41-42; other papers by members of the department are indicated 

 under their names. 



