PANOPyEA iientili^ 



o 



TAB. DCX.-^fig. I. 



Spec. Chak. Transversely ovato-elongated, flattened 

 on the side>^ nearly even, slender; posterior half 

 rather |)ointe(l^ the other rounded and ex- 

 panded upwards ; umbones nearly central ; both 

 extremities slightly gaping- ; width nearly twice 

 the length. 



1 HIS resembles P. Basteroti of Valenciennes, which is 

 found near Bordeaux, but the umbones are more nearly 

 central; it is an eleo^antly formed shell, and ajiparently a 

 distinct species. Two views are given of the only valve 

 which has been obtained. It is in the collection of Mr. 

 S. V. Wood, who found it in Crag at Alderton, near Bawd- 

 say, ahove ten years ago. 



PANOP-^A Norvegica, var. nana. 



TAB. DCX.— /g'.2, and DCXL— Jigs. I and 2. 



Spec, Char. Transversely oblong, compressed, 

 thick, the posterior extremity largely truncated; 

 surface divided into three parts by two diverging', 

 longitudinal slight elevations; beaks nearly cen- 

 tral ; muscular impressions deep, those of the 

 mantle large, unconnected ; the sinus shallow and 

 not complete. 



Syn. Mya Norvegica, Spengler Act. Soc. d' Hist. 

 Nat. Copenh.46. PLII.f. 18. Mya Glycime- 

 ris, Dotiovan Brit. Shells t. 142. Glycimeris 

 arctica, Lam. Hist. Nat. vol. 6. 458. Lam. 

 Hist. Nat. ed. 2. vol. 6. 68. note. Panopgea 

 Glycimeris, Turton Brit. Bivalves 42. Bean 



Vol. VII. 



