err 
Geology, &c. of the Connecticut. 79 
a pudding-stone, less coarse and more eects stratified. 
Thickness, between two and three huadre 
0. 4. (No. 9.) Red fissile argillaceous ae ES slate, 
ten feet in perpendicular thickness. 
‘No. 5, Same as No.1. Thickness ten feet—dip six -de- 
grees. 
No.6. Sathe as No. 4. Thickeiess four feet. 
. 7. Same as No. 1. except not so coarse, and more 
reser stratified, agreeing nearer with No. 43 of the pro~ 
ness fifteen feet. _ 
N Same as No. 4. two feet thick. Where this rock 
alternates with the pudding-stone the change is very strik- 
ing. 
No. 9. Same as No. 7. Thickness fifteen feet. 
No. 10. Same as No. 4. five feet thick. 
No. 11. Same as No. 7. twenty feet thick. 
radua 
No. sg Same as No. 4g gl mang t inte. the conglomer- 
ate—ten feet thick. : eee ae 
No. 13. “Like No. 1. ‘sixty feet thi a A i 
o. 14. Grey argillaceous Sendatbne slate, someti 
micaceous. Somewhat like No. 23. of the one but 
coarser—liable to decomposition and containing many wa- 
ter-worn pebbles. Thickness ten feet. This carries us to 
the Sunderland cave. 
No. Same as No. 4. fifteen feet thick. 
No. 16. Same as No. 1. about one hundred feet thick. 
No. 17. Same as No. 4. except that it is coarser and the 
a thicker—about ten feet thick. 
udding-stone not differing essentially from 
No. 1. but frequently of a reddish cast and more distinctly 
stratified. This contiaues with little interruption to the top 
of the mountain; though the soil hides it in most parts, and 
there may be other alternations which I did not observe. 
2. A Clam Shell ? 
whether it is a petrifaction or a peculiar water-worn pebble, 
