32 CONNECTICUT GEOL. AND NAT, HIST. SURVEY. [Bull. 



found: Hinsdale limestone and Washington gneiss, pre-Cambrian; 

 hornblende schist, Becket conglomerate gneiss, Cambrian; Stockbridge 

 limestone, Silurian. Analyses of nodule from gneiss and of pre- 

 Cambrian limestone. Bibliography. 



114. Emerson, B. K. 



Note on corundum and a graphitic essonite from Bark- 

 hamsted, Connecticut. 



Am. Jour. Sci., (4) xiv, 234-236, 1902. 



Description of the corundum and a graphitic garnet rock occurring in 

 a coarse mica schist. 



115. Emmons, E. 



Agriculture of New York, comprising an account of the 

 classification, composition, and distribution of the soils 

 and rocks and natural waters of the different geological 

 formations, together with a condensed view of the cli- 

 mate and agricultural productions of the State. 



I, 27'^ PP-> 21 pis., 4°, Albany, 1846. (Has a good map.) 

 Chapter on " the Taconic system " issued separately, 67 

 pp., 6 pis., 4°, Albany, 1844. 



Stockbridge limestone and accompanying schists are described and 

 stated to rest on Taconic slates. 



(The Taconic system of Emmons along western New England and 

 eastern New York corresponds to the Cambrian and Ordovician sys- 

 tems combined. Emmons believed the Taconic to be an independent' 

 system because it rests vtnconformably upon Primary schists and passes 

 unconformably beneath the New York system. — Ed.} 



(See Dana, 48, 59, 6r, 65; Walcott, 286, 287.) 



116. Pippin, E. O. 



Soil survey of the Connecticut valley. 

 U. S. Dept. Agric, Bur. Soils, Rept. Field Oper. for 1903, 

 31-61, map, 1904. 



The work done in 1899 was extended by the survey of 260 square 

 miles in Massachusetts and Connecticut. The work of the two years 

 resulted in a survey of that part of the Connecticut Triassic between 

 Berlin and the Massachusetts line. The types of soil represented are 

 Holyoke stony loam; Triassic stony loam; Hartford sandy loam; Con- 

 necticut meadows; Windsor sand; Chicopee gravel loam; Enfield 

 sandy loam; Manchester sandy loam; Connecticut swamp; Norfolk 

 coarse sandy loam; Suffield clay; Elmwood loam; Podunk fine sandy 

 loam; Bernardston loam. 



117. Frazer, P., Jr. 



Description of microscopic sections of traps. 



Am. Phil. Soc, Proc, xiv, 430, 431, 1876. 



Comparison of traps from Pennsylvania and Connecticut. The fine- 

 grained, greenish dplerites were exactly alike in both localities; coarse- 

 grained gray rock, which in fragments seemed identical, under the 

 microscope showed differences,- the specimen from Connecticut being 

 coarse-grained dolerite, while that from Pennsylvania was true syenite. 



