(458) 



Margaret Slosson. 



An experimental study of Asplenium ebenoides, demonstrating 

 its hybrid character. 



Stella Georgiana Streeter. Smith College, B.L., 189S. 

 A study of the transpiratory openings of the Marchantiaceae. 



William Cullen Uhlig. Columbia University, Ph.B., 1S96. 



General morphology of the algae in the water supply of New 

 York City. 



Dorris Whipple, Jr. New York College of Pharmacy, Ph.G., 

 1 901. 



Cultural investigation of virulent and pathogenic bacteria. In- 

 vestigation of the bacterial flora of the water supply of New York 

 City. 

 Violette S. White. 



A taxonomic study of the Nidulariaceae of North America. An 

 enumeration of the fungi of Mt. Desert Island. 



Charles Zeleny. University of Minnesota, B.S., 189S; M.S., 

 1901. 

 An experimental investigation of correlations, comprehending a 

 study of the dimensional relations of the members of compound 

 leaves. 



The total registration for the year 1902 amounts to 43. 

 The persons granted the privileges of the institution for the 

 year have received baccalaureate and graduate degrees from 

 thirty-one different colleges and universities. 



Every available table and desk in the herbarium and 

 laboratories that could be assigned for personal use has been 

 occupied during the greater part of the year, and the accom- 

 modation of an additional number of investigators must await 

 the completion of furniture and fittings now under construction. 



Respectfully submitted, 



D. T. MacDougal, 

 First Assistant and Director of the Laboratories. 



