54 



E. M. MUSEUM MEMOIRS. 



XXIX. A bed like XIX. Thirty-three feet thick. This was capped by a 

 stratum, 6 feet thick, of very coarse sandstone, composed of green quartz sand 

 that turned brown under the influence of the weather. The summit of the 

 mountain, and indeed the side for a hundred feet or more, was strewn with large 

 boulders of the same green sandstone. 



Search was made up and down Haystack at several places for fossils, with 

 ill success. Nothing but the remains of two varieties of turtles were seen. 

 These, however, were abundant : plastrons projected from every stratum ; 

 leg-bones covered every bench. 



