14 



Shooting Stars observed at Markree, August 12, 1847. 



The Rev. Dr. Robinson made some remarks on Mr. 

 Cooper's communication, and called the attention of the 

 meeting to observations made by Mr. Cooper on shooting 

 stars seen by him in the daytime. 



Sir W. Rowan Hamilton gave an account of some addi- 

 tional applications of Quaternions to Surfaces of the Second 

 Order. 



In the Abstract printed as part of the Proceedings of the 



