Actinoceras keewatinense, Whiteaves. Several siphuncles of this species recently described by Dr. Whiteaves occur in the collections from Southampton island.
(Q)—Collections of Stromatoporoids from Southampton Island:
Sixty-three microscopic sections have been submitted to a preliminary examination, and the following species among others, appear to occur:—
1.
Clathrodictyon regulare, Rosen.
2.
” fastigiatum, Nicholson.
3.
” sp., cf. C. striatellum, Nicholson.
4.