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and syenite or quartzite. These have frequently a whitish coating of limy matter which is sometimes abundant enough to cement the gravel together. Below the gravel and, at their junction, more or less mixed with it is a layer 1' - 2' thick of sand and gravel containing broken shells, oysters, pectens, mussels & barnacles, and internal casts of shells (Macoma, Dosinia, Lucina etc) which have not been preserved. 
Below this are layers in which the same Pliocene species have been retained with others in a tolerably perfect state. On the brow of a spur east of the end of Kalmia Street Mr Hamilton pointed out an outcrop of this kind in which Dosinia ponderosa and two or three species of Pecten were very abundant. A little deeper the specimens are better and the variety greater. Some years

Transcription Notes:
Pectens are are genus of scallops