337 



CALATHIUM ANSTEDI ? (ante, p. 210.) 



Fig. 325. 



Fig. 325. Calathium Anstedil Transverse and longitudinal sections of the upper 



extremity of a specimen supposed to be of this species. 



\ 



Remarks. The specimen above figured, when collected, was imbedded 

 in a piece of limestone, the transverse section, only, being visible. Of 

 this, the above fig. 325, a, was first made, and then it was sawn in two 

 longitudinally with a lapidary's wheel. The two halves were next treated 

 with hydrochloric acid, and the cup was thus freed from the limestone 

 with which it was filled. The section made by the saw passes lengthwise 



