216 



NEW YORK STATE MUSEUM 



Feet Inches 



f 5 Thin bedded lime mudrocks weathering gray 

 and averaging an inch or less in thick- 

 | ness. Tentacnlites g y r acan- 



thus is abundant on the surfaces of the 

 thin layers, when weathered, and this 

 is one of the best places for collecting this 

 fossil. With it occur Spirifer v a n - 

 uxemi and Monotrypella a r - 

 busculus 1 3 



f 4 Lime mudrock somewhat arenaceous in 

 texture with Leperditia a 1 1 a and 

 a few other fossils 2 



f 3 Dark lime mudrock, of sufficiently arena- 

 ceous texture to be rough on the weathered 

 surfaces, and showing fine stratification 

 on exposed edge, continuing below the 

 floor of the quarry 1 6 



Total Manlius exposed 26 10 



5 Section in Becker's quarry below Lasell park 



Plate 18 



This section begins at the highest outcrops of limestone in the 

 bed of the small stream which traverses the park. The succession 



is as follows [fig. 195] : 



CoeymanS Feet Inches 



h 2-hx Lime sandrocks with fossils, exposed at in- 

 tervals in low ledges in the park, chiellv 



thin bedded and mostly covered 33 



h 1 Crystalline lime sandrock forming a cliff 

 and con1 aining Sieberella gale- 

 a la, Orthothetes and other brachio- 

 pods, together with numerous crinoid 

 joints 17 



Total Coeymans 50 



