32 TRANSACTIONS OF THE [NOV. 9, 



Mr. H. Jacoby showed a micrometer ocular for measurements 

 upon star photographs, its peculiarity being a double set of cross 

 hairs at right angles to each other, so that both the co-ordinates 

 of the star can be measured at the same time. 



The Section then adjourned. 



J. F. Kemp, 



Recording Secretary. 

 W.M. Hallock, 



Secretary of Sectiov. 



Meeting of the Biological Section. 



November 9th, 1896. 



The Chairman, Professor Curtis in the chair. Seventy-eight 

 persons present. 



Members of the Columbia University expedition to Puget 

 Sound made reports on the summer's work as follows : 



After a brief introduction b\' Professor Osborn the papers 

 were read in the following order: Mr. N. R. Harrington, " On 

 the Organization of the Expedition and the work of the Port 

 Townsend Laboratory," also " On the Echinoderms, Annelids 

 and Arthropod^ of the Collection." 



B. B. Griffin," On the Platodes, Gephyreans, Nemerteans and 

 Mollusks." 



G. N. Calkins, " On the Protozoans and Coelenterates. 



Bashford Dean, " On the Vertebrates." 



The papers were illustrated by lantern slides and by a num- 

 ber of the more interesting specimens. 



The section then adjourned, C. L. Bristol, 



Secretar-y. 



These reports cannot as yet be presented for publication, but 

 an outline of the Avork of the summer's exposition should, never- 



