211 



CALATHIUM FITTONI. (N. sp.) 



Fig. 195. 

 Fig. 195. Calathium Fittoni. A fragment of the inside of the cup. 



Description. Elongate, apparently sub-cylindrical, gradually expand- 

 ing. There are five or six- vertical rows of canals in a width of six lines, 

 and about the same number of transverse rows. The apertures are sub- 

 ovate or sub-quadrangular. The walls between the vertical rows are 

 about half a line in thickness, but those between the transverse rows are 

 not so thick. 



This species, judging from several fragments, is more than 4 inches in 

 length, and probably 2 inches in greatest width. It may belong to a 

 different genus. 



The best specimen is a fragment of the inside of the cup. It is 

 represented in fig. 195. 



Locality and Formation. K, Point Rich, Newfoundland : Quebec 

 group. 



Collector. J. Richardson. 



Genus TRACHYUM. (N. gen.) 



Greneric characters. The species on which this genus is proposed have 

 a close texture without large canals. One of the species has a deep cup, 

 but the other is a rudely cylindrical mass without any internal cavity. 

 As it is evidently a fragment, it is most probably the basal portion broken 

 off below the cup. In case it should turn out to belong to a different 

 genus, I beg that the name may be retained for species congeneric with 

 the best preserved of our specimens, T. Cyathiforme. 



TRACHYUM CYATHIFORME. (N. sp.) . 



Fig. 196. 

 Fig. 196. Trachyum Cyathiforme. Two views of the same specimen. 



