Plate VII. 



Page 



Fig. i. Forccpia Thielei n. sp. Seen from the pore side; the surface damaged in a few places. 2 /, 206 



— 2. Forccpia Thielei n. sp. Seen from the oscular side, showing oscula, partly quite open, 



partly quite closed, and in different degrees of closing. 2 /, 206 



3. Forccpia Topscutii n. sp. The papillae damaged in a few places, so that the canal at their 



base is seen. '/, 204 



— 4. Mclonanchora clliptica Cart. The contour somewhat damaged; five oscula are seen, '/■ 2I1 



— 5. Melon anchor a clliptica Cart. Pore tubercle, seen from the side. ca. "/, 211 



— 6. Mclonanchora clliptica Cart. Pore tubercle, seen from above, ca. "/ t 211 



