RECORDS OF MEETINGS OF 1908 493 



St. Peter Sandstone — Ogden Qiiartzite — Eureka Quartzite. 



Cambric. 

 Potsdam, in part, Basal sands and conglomerates of many regions. 



The Section then adjourned. 



Charles P. Berkey, 



Secretary. 



SECTION OF BIOLOGY. 



October 12, 1908. 



Section met at 8:15 P. M., Vice-President Chapman presiding. 

 The program consisted of the following illustrated lecture given through 

 cooperation with the American Museum of Natural History: 



Dr. Hans Gadow, The Volcano of Jorullo, Mexico; History, Fea- 

 tures, Repopulation of the District by Animals 

 and Plants. 



Roy W. Miner, 



Secretary. 



SECTION OF ASTRONOMY, PHYSICS AND CHEMISTRY. 



October 19, 1908. 



Section met at 8:15 P. M., Vice-President Hering presiding. 

 The minutes of the last meeting of the Section were read and approved. 

 As a quorum was not present, the nomination of the Chairman of the 

 Section was postponed. On account of the poor attendance, the advisa- 

 bility of holding bi-monthly meetings was discussed. 

 The Section then adjourned. 



William Campbell, 



Secretary. 



