1896.] 



NEW YOKK ACADRMY OF SCIENCES. 



servatioiis rnude with wet and dry bulb thermometers, and it is 

 meant to exhibit the amount of error to be expected when the 

 former is compared with the latter in different parts of the scale. 



C0LU3IBIA University. 



C. C. Trowbridge. 



Stated Meeting. 



October 12th, 1896. 



There being no regular business the Biological Section at 

 once organized, Prof. F. S. Lee in the chair. 



Thirty-eight persons were present. The minutes of the last 

 meeting were read and approved. 



Dr. Bashford Dean and Mr. G. N. Calkins presented prelimi- 

 nary reports upon the results obtained at the Columbia Uni- 

 versity Zoological Laboratory at Port Townsend, Washington. 

 The expedition spent about six weeks in exploring and collect- 

 ing, and brought home large collections from exceptionally 

 avorable collecting grounds. Dr. Dean spent some time at 

 Monterey, Cal., and secured specimens of eggs and embrj^os of 

 Chimsera and Bdellostoma. 



Dr. J. L. Wortman made a preliminary report upon the 

 American Museum Expedition to the Puerco and Wasatch beds. 



