386 PROCEEDINGS OF WASHINGTON MEETING. 



Five views presented by Horace B. Patton, Golden, Colorado 

 Size, 6 by 8. Original numbers in parentheses 



1353 (219). Effects of rain erosion on horizontally bedded andesite conglomerate. 



Headwaters of Rio Grande river, Colorado. 



1354 (222). Effects of rain erosion on horizontally bedded andesite conglomerate. 



Headwaters of Rio Grande, Colorado. 



1355 (223). Effects of rain erosion on horizontally bedded andesite conglomerate. 



Headwaters of Rio Grande, Colorado. 



1356 (225). Effects of rain erosion on horizontally bedded andesite conglomerate. 



Headwaters of Rio Grande, Colorado. 



1357 (226). Effects of rain erosion on horizontally bedded andesite conglomerate. 



Headwaters of Rio Grande, Colorado. 



Ten views photographed and presented by Professor Frank D. Adams, Montreal, Canada 



Size, 4 by 5 inches 



1358. Embankment of river Po, near Ponte Lago Scuro. Right bank. From the 



plain, looking west. 



1359. Embankment of river Po, near Ponte Lago Scnro. Right bank. From same 



point as number 1, looking east. 



1360. General view of embankment, taken from point half way up its side, with 



Ponte Lago Scuro and railway bridge in distance. Shows the three ter- 

 races of the embankment. 



1361. View across the Po from summit of embankment on south side. Buildings 



of S. M. Maddalena on northern side partially hidden behind the embank- 

 ment in front of them. 



1362. View of the Po from summit of embankment on south side. Sand bar in 



the river. 



1363. Right bank of Po from bridge of boats in the middle of the river, 7 feet above 



the level of the water. Buildings of Ponte Lago Scuro partially hidden 

 behind embankment. 



1364. Left bank of Po from same point of view as number 6. Three terraces of 



embankment well seen ; lowest terrace cut into by the river. 



1365. Railway bridge which crosses the river a short distance to the east of the 



bridge of boats ; taken from the latter. 



1366. Walls of Ferrara from the Lombard plain, 6^ feet above sealevel, with lean- 



ing tower of San Benedetto appearing above them. 



1367. View of the Lombard plain between Ferrara and river Po. 



Twenty views presented by the U. S. National Museum ( George P. Merrill) 



Size, 6J by 8? inches 



1368. The Bartlett boulder. A glacial-drift boulder at Bartlett, New Hampshire. 



This boulder is of the Conway granite, and rests on four smaller boulders 

 of the same kind on the summit of a knoll of till projecting through the 

 modified till. 



1369. The Washington boulder, Conway, New Hampshire. 



