SOME RIVERS OF CONNECTICUT. 393 



this region, and the most probable explanation is that the post- 

 glacial streams do not altogether follow pre -glacial valleys. 

 This gap, used by turnpike and raili;oad, testifies of another and 

 older drainage system. 



That in this brief article all the problems connected with 

 the Connecticut rivers have been solved, or e\ren noted, is not to 

 be expected. It is hoped, however, that the work done may 

 prove a help to further study of the same regions, and that the 

 tentative conclusions advanced may be substantiated by further 

 ^"^"^'^&^^^^"- Henry B. Kummel. 



