PHYSIOGRAPHY. 7 



cut leaves the broad Triassic lowland and enters the narrow 

 gorge-like valley that it has cut in the eastern uplands on the way 

 to the sea at Saybrook. A beautiful view of this district may 

 be obtained from Great hill north of Cobalt station, Air Line 

 railroad, a few miles east from Middletown. As an illustration of 

 a narrow valley worn in uplands of resistant rocks, draining a broad 

 valley lowland underlain by weak rocks, this view has few equals. 



Literature. 



The literature of the Connecticut .?alley is abundant, but usually 

 views the subject from the geologic standpoint. Among physiographic 

 papers is the following: — 



Davis, W. M. — Topographic development of the Triassic formation of 

 the Connecticut valley. (Am. Jouru. Sci., 3d series, vol. 37, pp. 423-434.) 



Of geologic papers, there are many by Dana, Davis, Emerson and 

 others, including the final report upon the Connecticut Trias, by Davis, 

 which is in press as this is written. 



Routes. — The routes to the main points mentioned are as follows : — 



Boston harbor, any of the excursion boats plying between tlie city and 

 resorts on the south shore. 



Provincetown, by rail, Old Colony system from Kneeland street sta- 

 tion. By boat, each morning from Commercial wharf, Boston ; excursion 

 stop-over tickets, $1.50. 



Coastal plain of Maine, by train, East«rn division, Boston and Maine 

 road from North Union station, for Portland. By boat, from India wharf, 

 Boston, for Portland; single fare $1.00. 



Meriden, Boston and Albany railroad to Springfield, Mass. ; New 

 York, New Haven and Hartford road thence to Meriden. 



