1911.] NATURAL SCIENCES OF PHILADELPHIA. 601 



Dr. Calvert has continued to care for the Odonata and the thanks 

 of the department are due him. 



Volume XXII of the Entomological News has been completed 

 with 480 pages and 19 plates; Transactions of the American 

 Entomological Society (Entomological Section), 380 pages and 

 13 plates. 



At a meeting of the Section held December 11 the following were 

 elected officers to serve for the coming year: 



Director Philip Laurent. 



Vice-Director Henry W. Wenzel. 



Treasurer E. T. Cresson. 



Conservator... Henry Skinner. 



Secretary J. A. G. Rehn. 



Recorder Henry Skinner. 



Publication Committee E. T. Cresson, 



E. T. Cresson, Jr. 



Henry Skinner, 



Recorder. 



Botanical Section. 



During the year, twenty metal dust- and insect-proof cases have 

 been added to the furnishing of the herbarium, and six wooden cases 

 transfered from the general herbarium to the local room, to provide 

 additional space for that rapidly growing collection. 



Early in the year, the Conservator went to Venezuela as a member 

 of the Francis E. Bond Expedition, when a collection of 850 sheets 

 of plants was made. The herbarium of the late Robert E. Griffiths, 

 presented by Dr. Astley P. C. Ashhurst and Dr. William Ashhurst; 

 the herbarium of Dr. Thomas S. Githens, presented by the collector, 

 and a collection of plants of the Yellowstone made by Mr. Benjamin 

 H. Smith have also been added. There have been received through 

 exchange, 112 sheets from the New York Botanical Garden, 102 

 sheets from the Gray Herbarium and 60 sheets from the United 

 States National Museum. The Section has purchased a series of 

 181 sheets of North American Violets from Prof. Ezra Brainard and 

 395 sheets of Nevada and Oregon plants from A. A. Heller. 



The local herbarium, under the care of Mr. Samuel S. Van Pelt, 

 has been increased during the year by 3,768 sheets, received princi- 

 pally from members of the Philadelphia Botanical Club. In addi- 

 tion, the local plants in the general herbarium have been transferred, 



