307 



February 3, 1863. 



The president, Mr. Pruyn, presided. 



The committee appointed to examine the treasurer's ac- 

 counts and vouchers, consisting of Mr. Brown and Mr. An- 

 thony, reported that they found them in due form and cor- 

 rect. 



Balance from old account. , $172.74 



Cash received 215.00 



$387.74 



Paid $175.09 



Balance on hand 212.65 



$387.74 



On motion, the report was accepted and ordered to be 

 placed on file. 



On motion, a committee of three was appointed to procure 

 the arrangement and proper disposal of the collection of 

 coins. The committee was Mr. Paterson, Mr. Munsell and 

 Mr. Murray. 



Prof. Hall then, after making some general remarks upon 

 the Spirifer and Terebratula families of fossils, gave a de- 

 scription of a new genus, which he named. 



He then gave an interesting account of the recent dis- 

 coveries and developments which had led to the convic- 

 tion that the rocks named Catskill mountain group, by the 

 New York geologists at the time of the survey, were really 

 a part of the Chemung group. It had originally been de- 

 fined old red sandstone, because no fossils had been discovered 

 in it ; but more recently many fossils had been found, clear- 

 ly identifying it with the Chemung group. This discovery 

 restored the symmetry of the formations in New York, all 

 of which now are found to run in nearly parallel bands from 

 the Hudson river on the east to the lakes on the west. It 

 still seemed probable that some portions of the higher peaka 

 of the Catskill mountains were of this old red sandstone 

 formation. Prof. Hall mentioned with commendation the 



