40 



Kepokt of the State Geologist. 



Then follow five feet of shales (7) with 

 Schizophasia impressa, large and medium. 



Spirifer muoronatus of typical form, long winged and with varicose 

 surface. 



Lyriopectcn trieostatvs, the typical Chemung form. 



The rocks above this for one hundred feet (8) are covered with gravel; 

 then follows an exposure of fifteen feet of soft shales (9) with 



Produetella speciosa. 



St/ropheodomta demissa, Chemung var., abundant. 

 Schizophoria impressa, large. 

 Ldorhynchus globuliformis, common. 

 At/rypa reticulmns, large form. 

 Actinopteria eta. 



FlGURK 4. 



The next sixty feet above (10) are covered, then follows (11) an exposure 

 of about forty feet of flags, sands and shales in an old quarry which was 

 worked about sixty years ago. These rocks have afforded 



Productella speciosa, common 

 Schizophoria impressa, as above. 

 Spirifer mucronatus, normal. 

 Liorhynchus glob uliformis. 

 At/rypa reticularis. 

 Lyriopecten tricostatus, as above. 



