610 PROCEEDIN< THE .\Mi:iM< AN A.CADEMY 



The following papers were presented by title: — 



On the Thermal Conductivity of Vulcanite. By B. O. Peirce. 



Ferrous [odide. By C. Loring Jackson and Ira II. Derby. 



Nine hundred :in«l Dlntb Meeting. 



June 14, 1899. 



The President in the chair. 



The Corresponding Secretary read letters from W. E. Byerly 

 and W. II. Pickering, accepting Fellowship, and from Lord 

 Russell of Killowen, acknowledging his election as For< 

 Honorary Member. Letters from Marion T. Eosmer, soliciting 

 a subscription on behalf of the Rumford Historical Society, 

 and from the University of Pennsylvania, the American Philo- 

 sophical Society, and other Philadelphia Societies, inviting at- 

 tendance at the presentation of the Franklin Btatue, were 

 referred to the Corresponding Secretary. 



The Chair announced the death of Francis Minot, Resident 

 Fellow in Class II., Section 4, and of Manning Ferguson Force, 

 Associate Fellow in Class II L, Section 3. 



The Rumford Medal awarded to Janus Edward Feeler at 

 the annual meeting of 1898 was presented, Edward C. Picker- 

 ing acting as Professor Keeler's proxy. 



The President spoke of the proposed exploring expedition to 

 the mid-Pacific under his direction, the United States Commis- 

 sion of Fish and Fisheries having placed the Albatross at his 

 disposal. The vessel will be thoroughly equipped with the 

 newest apparatus for deep-sea investigations, and special ap- 

 pliances will be constructed for use in vrery deep water. The 

 expedition will leave San Francisco aboul the middle of Augusl 

 for Tahiti, in the Society Islands, which will be the headquarters 

 during the six or eight weeks required for exploration of the 

 Paumoto Islands. Afterwards a week or ten days w ill be spent 

 among the Tonga or Friendly Islands, and the expedition will 

 then proceed to the Fiji Islands, where a short stay will be 

 made. After visitine some of the Ellis and Gilbert Islands, six 

 or even we< ks will be devoted to the exploration of the Mar- 



