638 



REPORT 18G3. 



Family Pandoridce. 



27. Clidiophora punctata, n. g. (Type of genus = Pandora claviculata, P. Z. S. 1855, 



p. 228.) Teeth f , posterior long, with ossicle. Conr. sp. j like Cl. trilineata, 

 out teeth more divergent ; inside strongly punctate. 



28. Kennerliafilosa, n. s. New subgenus of Pandora with ossicle : outer layer ra- 



diately grooved. Shell "beaked. 



29. Kennerlia bicarinata, n. s. Not beaked ; 2 post, keels in convex valve. 40-60 



fm. r. Cp. May prove=P. bilirata, Conr. 



Family Anatinida. 



30. Periploma argentaria, Conr. Hani. Large, subquadrate. 



31. Thracia curta, Conr. Hani. Strong, subovate. 



32. Lyonsia Califomica, Conr. Hani. -\-bracteata-{-nitida,Gld. Outline variable : often 



close to Atlantic L. Floridana : striated external layer fugacious. 



33. Entodesma saxicola, Baird. Subgenus of Lyonsia : animal nestling, irregular. 



Close to E. cuneata, Ad. & Rve. Form protean : brittle, thick, lurid, with 

 enormous ossicle. Var. cylindracea has the form of Saxicava pholadis. 



34. Entodesma inflata, Conr. = diaphana, Cpr. P.Z. S. 1855, p. 228. From Southern 



fauna. Like picta, but pale, without pinch. 



35. Mytilimeria Nuttalli, Conr. Hani. ? Subgenus of Lyonsia : rounded, with spiral 



umbos. 



36. Plectodon sealer, n. g.,n. s. Shape of Theora : dorsal margins twisted-in spirally 



inside umbos. Lateral teeth laminated, with internal cartilage hidden, ap- 

 pressed. 2 r. valves, 40-60 fm. Cp. 



Family Sotenida. 



37. Solen sicarius, Gld. Otia. Nearly straight, rather short, truncated. 



376. Solen ? var. rosaceus. Straight, narrower, longer, smaller j glossy, rosy. 



Family Solecurtida. 



38. Solecurtus Californianus, Conr. Hani. May be a var. of the Peruvian VDombcyi. 



Yellowish ash, with ventral parallel grooves. A ?var. without grooves closely 



resembles gibbus. 



30. Solec'trtiw sxbteres, Conr. Hani. Small, compact, with violet rays. 

 40! Machcera patula, l)ixon=& maximus, Wood=:ffrandis, Gmel. = &'%wa Nuttalli 



?+lucida, Conr. (var. jun.) Asia. 



Family TellinidcB. 



41. Sanyuinolaria Nuttalli, Conr. Haul. = Psammobia decora, Hds. Flat, rounded. 

 42 Psammobia rubro-radiata, Nutt. Large : shape of vespertina : rayed with lilac. 



124 



