6o SOCIETY OF NATURALISTS. 



President. — G.' K. Gilbert, of Washington. 

 Vice-Presidents. — H. N. Martin, of Baltimore. 



E. D. Cope, of Pliiladelpliia. 



Harrison Allen, of Pliiladelpliia. 

 Secretary. — C. S. Minot, of Boston. 

 Treasurer. — Charles A. Ashburner, of Philadelphia. 

 Me7nbers-at-large of Exectitive Co7ninittee. — R. Ramsay 

 Wright, of Toronto ; Samuel F. Clarke, of Williamstown. 



It was moved and carried that the Secretary be directed to 

 cast an affirmative ballot for the officers nominated by the com- 

 mittee. The ballot was cast and the above enumerated nominees 

 were declared duly elected. 



The following new members were elected : R. Ellsworth Call, 

 Romyn Hitchcock, Horace Jayne, John Alurdoch, and Charles 

 A. Oliver. 



The following pajDers were read : — 



1. CD. Walcott. The collecting and working of inverte- 



brate palceontologic material. 



2. G. K. Gilbert. Geological bibliography. 



3. George P. Merrill. Exhibition of a colored enlarged 



photo-micrograph of a thin section of a rock. 



4. G. Brown Goode. Account of the cases used in tlie U. S. 



National Museum. 



5. J. K. Ryder. On museum alcoholics. 



6. B. G. Wilder and S. H. Gage. An investigator's table 



with double or treble revolving tojD and movable book- 

 rests. 



7. R. Ramsay Wright. On the use of series of sections in 



laboratory teaching, and a convenient way of obtaining 

 them. 



tuesday, dec. 30, 1s84. 



Lecture-Room, U. S. National Museum. 



Afternoon Session. 

 President Hyatt in the chair. Twenty-nine members present. 

 The President announced that a communication of an informal 

 character had been received from Prof. Baird, havintr reference 



