301 



7. New species of Fossils from the Quebec Group, in Eastern Canada, 

 with some others previously described, and some from other forma- 

 tions. 



The species described in this article were, most of them, discovered 

 after the article concluded on page 206 was printed. The limestone in 

 Stanbridge, range 6, lot 20, from which many of the new species were 

 collected, belongs to the base of division D, section Geol. of Can., pp. 844, 

 852, 853. 



BRACHIOPODA. 



LINGULA IRIS. (N. sp.) 



Fig. 290. Fig. 291. Fig. 292. 



Fig. 290. Ungula Iris. 



291. Orlhis? apicalis* a, ventral valve; 6, side view of the same. 

 292. Orthis Corinna. Ventral valve. 



Description. Shell small, sub-ovate ; sides parallel, or nearly so, in 

 the lower two-thirds gently convex or somewhat straight ; in the upper 

 one-third converging to the beak with a convex slope ; beak narrowly 

 rounded ; anterior angles rounded ; anterior margin, with a portion in the 

 middle, somewhat straight. The only specimen collected is gently convex, 

 a somewhat flat space along the middle, and a flat, or gently convex slope 

 on each side to the margin in the upper two-thirds. 



Surface with obscure, radiating and concentric striae. 



Length 4i lines ; width 3 J lines. 



Locality and Formation. Point LeVis, limestone No. 2 ; Quebec 

 group. 



Collector. -T. C. Weston. 



ORTHIS ? APICALIS. (N. sp.) 



Fig. 291. a, b. 



Description. Shell small, shaped like an Acrotreta. Ventral valve 

 pyramidal, the height at the beak in some individuals equal to the whole 

 width of the shell ; hinge line straight, equal to the greatest width ; sides 



