1888.] NATURAL SCIENCES OF PHILADELPHIA. 447 



He was a nieinbei^of the Musical Fund Society of Philadelphia, 

 and read a historical sketch of the institution before the Society 

 Jan. 29, 1885, which was published. He was treasurer of the So- 

 ciety from 1864 to 1880, — sixteen years — and vice-president since 

 1881. 



He Avas long a member of the Philadelphia Atheneum. At forty- 

 six consecutive annual elections of the Philadelphia and Reading 

 Railroad Company he was one of the judges of the election. 



He was active in the Board of Publication of the Presbyterian 

 Church ; a Director of the " Mercer Home ;" Secretary of the Pres- 

 byterian Hospital ; a member of the Deacon's Court, and associate 

 superintendent of the Sunday School of the Second Presbyterian 

 Church of Philadelphia. 



The position which he held, the work he did, are significant of his 

 friendliness to natural science, of his benevolence and public spirit 

 as well as of the excellence of his character. 



Resolved, That in the death of William L. Mactier the Concholog- 

 ical Section of the Academy of Natural Sciences of Philadelphia, 

 has lost an estimable member and efficient treasurer, tliat, in testi- 

 mony of appreciation of our loss and as a tribute to his memory, 

 this brief of his virtues be entered ui)ou the record of Proceedings, 

 and that a copy thereof be transmitted to his family l)y the Re- 

 corder. 



The Director's extended and appreciative biograpliical notice of 

 Mr. Tryon is published in the present number of the Proceedings of 

 the Academy. 



Our Conservator, Mr. H. A. Pilsbry, reports : — 

 "The principal additions to the museum consist of suites of Medi- 

 terranean shells from Malta and the Balearic Isles received from 

 Messrs B. Tomlin and Alfred Caruana ; of Sandwich Is. land 

 .shells, a large'series from Mr. Baldwin ; and new Tasmanian shells 

 from C. E. Beddome. From the family of the late V(m. L. Mactier, 

 a number of interesting forms mostly of well known marine species. 

 A large number of American species have been received, among 

 which may be mentioned alpine land shells from Colorado, Florida 

 marine shells and a series of Texas shells. A full list of the dona- 

 tions are included in the " Additions to the Museum." 



The total number of additions made is 46, amounting to 603 trays, 

 3455 specimens. The collection now contains 192,605 specimens in 

 51,930 trays. A valuable serres of alcoholic specimens has been re- 

 ceived from Mr. Bryant Walker, Detroit, Mich. In the museum, 



