REPORT OF COMMITTEE OX PHOTOGRAPHS. 483 



630(11,1873). Pre-Cambrian contorted schists: Shipton, Me. (see Greol. Survev 

 Report, L886, vol. ii. i>. 35 .1 ). 



Photographed by R. W. Ells. 

 631. Twisted gneiss; southern shore of Ottawa river, opposite Montebello. 



COO " " li u " " a " " 



«••>._> a a a a a a a .. a 



634. " " northern " " " " " Papineauville. 



6..- a a a a a a a a a 



.>■). 



The following resolution, presented by Mr. Arthur Winslow, was 

 adopted unanimously : 



Whereas our fellow-member and esteemed colleague Professor Edward Orton is, 

 through serious illness, unable to be with us : Therefore — 



Resolved, That the Secretary be requested to convey to Professor Orton an ex- 

 pression of our sincere sympathy and of our deep regret that he cannot be present 

 at this meeting; that we miss his genial presence and deplore the fact that through 

 his absence we lose much that he might tell us of interest and value concerning 

 the regions about us, his field of work, in which he has developed so much oi 

 splendid value to our science. 



That we rejoice, however, in being able to congratulate him on his rapid con- 

 valescence, and that we look forward hopefully to seeing him in our midst at an 

 early future meeting. 



The Chair announced that the Summer Meeting would be held in 

 Rochester, N. Y., the precise date in August to he announced hereafter 

 by the Council. 



It was also announced that there would lie no evening session of the 

 Society, but that the Fellows would dine at the Neil house. 



The remainder of the morning session and the entire afternoon session 

 were devoted to the reading of papers. The first paper was entitled : 



NOTES o.N THE GEOLOGY OF THE VALLEY OF THE MIDDLE RIO GRANDE. 



I'.V E. T. DUMBLE. 



The paper was discussed by W .1 McGee, who remarked: 



Recenl observations by Mr. R. T. Hill and myself corroborate Mr. Dumble's con- 

 clusions. We find the peculiar deposit called the Reynosa marl to extend far 

 beyond the Rio Grande into Mexico with unchanged characters, and to stretch 

 also far northeastward bul with gradually changing characters until a pari at least 

 of the series grades into the Lafayette formation of the Mississippi embayment ami 

 the eastern < tulf and Atlantic slopes. In Mexico and Texas and further northeast- 

 ward alike, the Reynosa and its homologue, he Lafayette, are the newest forma- 

 tions of the province excepl the Columbia; and the Columbia is separated from 



