1891.] XEAV YORK ACADEMY OF SCIEXCES. ' 113 



posed of the president and two other members of each society, 

 to act as a Joint Commission, having advisory powers only. 



2. The preparation of an annual directory, giving the name 

 and address of each member of each society, together with an 

 indication of the societies of which he is a member. The ex- 

 pense of printing and distributing this directory to be divided 

 among the societies pro rata to their membership, a copy to be 

 sent to each member of each society. 



3. The preparation of a periodical bulletin, to give the time 

 and place of meeting of each society, and as far as possible the 

 titles of papers to be read, lectures delivered, and such other in- 

 formation as may be deemed advisable. This bulletin to be sent 

 to each member of each society, and the expenses connected 

 with its preparation and distribution to be divided in the same 

 manner as suggested for the directory. 



•i. The invitation of every member of each society to attend 

 the ordinary meetings of all the societies as a gnest. 



5. Tiiat the secretary of each society be, and hereby is, re- 

 quested to inform the Secretary of this Conference when action 

 on these recommendations has been taken by the associations^ 

 and of the nature of such action. 



Several other plans of action were discussed by the Confer- 

 ence, among them the desirability of obtaining a building for a 

 common meeting place of all the societies, the possibility of ar- 

 ranging for a single annual due to give membership in all, the 

 holding of periodical joint meetings to enable the members to 

 become more generally acquainted, the arrangement of courses 

 of scientific lectures. No action was taken on any of these 

 topics. 



The Conference then adjourned to the call of the Secretary. 



JST. L. Bkitton, 

 Secretary of the Conference. 



II. The election of C. A. Post, Eesident Member. 

 Prof. Brixton introduced Mr. Heixrich Ries, a visitor, 

 who read a paper entitled 



XOTE ON" ROCK EXPOSURE AT 143 D AND 144TH STS. AND 



SEVENTH AVE. 



Mr. Theo. A. Rand, of Philadelphia, in a communication to 

 Prof. D. S. Martin, speaks of an outcrop of gneiss at 14oth 

 street and Seventh avenue, being mentioned by T. Sterry Hunt 

 in his "Mineral Phys. and Phys." Being in New York City a 

 short time ago, Mr.*^Rand visited this locality, and found a por- 



