MUSEUM OF COMPARATIVE ZOOLOGY. 1 *> 



period during the second half year to Professor T. Kawamura of 

 Kyoto University, Japan, also working under Professor Parker. 



The aggregate research work carried on was counted as equiva- 

 lent to courses as follows : — in Harvard, Zoology 20a and 20b, 

 under Professor Mark, four and one half courses; Zoology 20c, 

 under Professor Parker, eight and three fourths courses; Zoology 

 20e and 20g, under Associate Professor Rand, four and one half 

 courses; in RadclifTe College, Zoology 20g under Associate Profes- 

 sor Rand, one half course. 



The degree of Doctor of Philosophy was conferred during the 

 year on four persons: in February, 1920, on Vasil Obreshkove, 

 whose thesis was entitled "The photic reactions of tadpoles in 

 relation to the Bunsen-Roscoe law," and on James Montrose 

 Duncan Olmsted, whose thesis was entitled "Experiments on the 

 olfactory and gustatory organs of Amiurus nebulosus (Lesueur)"; 

 in June on Edward Frederick Adolph, whose thesis was entitled 

 "A quantitative study of the interrelations of oxygen and carbon 

 dioxide with haemoglobin in blood"; and on Herbert Greenleaf 

 Coar, whose thesis was entitled "The shell of Balanus eburneus: 

 A contribution to the study of the operculate Cirripedia." In 

 June Samuel Wood Chase was recommended for the degree of 

 Ph.D. to be conferred at mid-year 1921, he having presented a 

 thesis — "The mesonephros and urogenital ducts of Necturus 

 maculosus, Rafinesque" — which was approved, and having passed 

 the doctor's examination on June 9, 1920. 



Two students and the Director spent about six weeks at the 

 Bermuda Biological Station, which was open from the twenty-first 

 of June till the sixth of August. 



The Harvard Table at the Marine Biological Laboratory, Woods 

 Hole, was shared by two graduate students, that of RadclifTe 

 College by a graduate and an undergraduate, of the class of L922, 

 of RadclifTe College. 



Aid to the amount of $370.00 was furnished from the Humboldt 

 Fund to Harvard research students at the Bermuda Station and 

 the Woods Hole Laboratory, the payments, however, fall within 

 the fiscal year 1920-1921. 



The Zoological Club held twenty-four meetings during the year, 

 at which twenty-five original papers and five reviews were pre- 



