131 



such facts and opinions as would dissipate the doubt which ex- 

 isted in regard to it, and either restore it to the Old World, or 

 establish it not as a native individual of the New. 



The President exhibited two cards from the British 

 Society of Natural History, containing proposals to supply 

 subscribers with a certain number of objects of British 

 Natural History at a fixed rate. He announced that he 

 should subscribe on behalf of the Society for two or three 

 years, and the Society would accordingly receive two hun- 

 dred British tertiary fossils a year, for that period. 



At the close of the President's remarks. Dr. Storer rose 

 and said, that it was not usual for the Society to pass votes 

 of thanks to its members for donations, but he felt that 

 some acknowledgment was due to the President for the 

 repeated instances of his liberality by which he had laid 

 the Society under such lasting obligations. Although no 

 formal vote might be passed, he begged to assure the Pre- 

 sident, and in doing so he felt that he was expressing the 

 unanimous sentiment of the Society, that his constant and 

 generous interest in its prosperity was most truly appreci- 

 ated, and would always be most gratefully remembered. 



Mr. Desor read a communication on the subject of Fossil 

 Rain Drops, in reference to a paper of Sir Charles Lyell 

 on that subject, and especially in defence of his own and 

 Mr. Whitney's opinions on the subject, based on their ob- 

 servations at Lake Superior. While he was ready to admit 

 the possibility of the occurrence of rain marks in some 

 formations, he still contended, that the bursting of bubbles 

 on the lake or sea shore would account for such impres- 

 sions as occur in the Sandstones of that region. 



Dr. Jackson said, that when engaged in the Lake Superior 

 survey he had sought carefully for impressions of rain drops for 

 the purpose of establishing the identity of the age of the Sand- 

 stones of that region with that of the Connecticut River Sand- 

 stone, but in vain. He had not seen the impressions mentioned 



