northwestern New Jersey and along the Blue Mountain of 

 Pennsylvania. Re-reading of the New York State Museum re- 

 ports showed that no fossils had ever been reported in this 

 formation, other than a few graptolites, in intercalated shales 

 near Otisville, N. Y. 



I thought we had found something new. First, I sent Ander- 

 son's photographs to Dr. Rudolf Ruedemann, New York State 

 Paleontologist, at Albany. He was much interested, and wrote me : 



"I am very much interested in the excellent photographs by 

 Mr. Anderson of the problematicum. They leave no doubt that 

 the fossil is more than mere weathering marks. It agrees in so 

 many features with Cryptozoon as it occurs near Saratoga that 

 I believe it may prove to be that calcareous alga. The occurrence 

 of a Cryptozoon in the Shawangunk grit is not known and if 

 turns out to be one, it should be published." He asked for chips 

 of the material, for the purpose of making thin specimens, but 

 after we had chiselled a complete circle, with a dozen rings, out 

 of the boulder, on another visit, and sent it to him, he doused 

 my hopes of locating a new fossil where it had no business to be, 

 by writing: 



