- 549 - 



Sii"bgenus 'Pseudomiltha Fischer. 

 PH-4GOI]3E3 (P3EUJ)0MIIT^--^A) . n. sp- 



Sesorirition .- Shell large, relatively tliin, suIdo" ', 



well-inflatecl- ; dorsal margins siihequal, diverging at an angle of 

 about 120°, rounding into ^■"'^•'^ lateral marf^'r'-:' ; i-'i-^n low, flat; 

 external surface sculptured with concentric v/r inkle:; " irregular 

 striae, unequally emphasized and irregularly disposed; hinge eden- 

 tulous; li,p;araent -'V'^v-f:^ ^^r^o--^l-■ inset. 



Diniensions .- T; '. , i-£.5 r:im. ; alt., 42 mra. ; semidiam., 11 mm. 



Remark s . - ?. ■^-lijjiiindus is described from several more or 

 less fragmentary valves, on most of which tht _Lii.:.eri-:' ' inacces- 

 sible. That it reaches a larn-e size is indicated by a fragment 

 which, if complete, would have approximately- the following dimen- 

 sions:- lat., "n -n.; alt., "^ --■ . ; -•omidic::;;. , Iv ::;;-. The char- 

 acteristic feat-jres are the thinness and convexity of the shell 

 and the larre size. 



Toula's Gatuji "Lucina ( Lorl^.y-d ) f.oec. ' . .^'' -'"' . Torijoes_ 

 edentula limie" (l) is "oerha-os identic?" ■ ' 



/ 



Jahrb. K.-k. ?eol. -vfiohsanc ::-' "-, "ol. oS, j. 7::u, ol. 

 fig. 3, 1908. 



higher umbones and shorter anc less steeply sic dorsal mar- 



