142 tJNIONID.5;. 



Original description: — Testa minuta, transversim oblonga, 

 antice rotundata, postice latiore subrostrata, rugio radiautibus, 

 confertissimis sculpta, sordida lutescente et viresceute ; dente 

 cardinal!, valvse dextrse compvesso triaugulari ; valvae siuistrae 

 liuuuli, sub vertice appendiculato ; dentibus lateralibiis >alvse 

 sinistrse geminis ; margarita ex luteo rubente. 



Height 156-5, length 273-5, diaui. 91 mm. 



The species would seem to be very doubtfully Indian. 



275. Nodularia (Nodnlaria) crispata (Gould). 



Nodidaria (Nodidaria) crisj^ata (Gould) ; Simpson, Washington, 



D.C., Smiths. Inst., Nat. Mus. Proc. xxii, 1900, p. 815. 

 Umo crispata, Gould, Proc. Boston Soc. Nat. Hist. i,1843,p. 141 ; 



Otia Couch. 18fi2, p. 191. 

 Unio crispattis, Catlow & Reeve, Conch. Nom. 1845, p. 58; II. & 



T., C. I. 1876, p. 21, pi. 45, tig. 1. 

 Margaron {Unio) crispatus, Lea, 8yn. 1870, p. 32. 

 Unio scobinatus, Lea. Proc. Acad. Nat. Sci. Philadelphia, viii, 



1856, p. 93 ; Obs. on Genus Unio, 1857^ p. 19, pi. 26, tig. 13. 

 Margaron {Unio) scobinatus, Lea, Syn. 1870, p. 32. __ 

 Unio mandarimts, Morelet, J. Conchyliol., Paris, xii, 1863, p. 159. 

 Unio peUis-lacerti, Morelet, J. Conchyliol., Paris, xiii, 1805, p. 22; 



Sowerbv, Conch. Icon, xvi, 1808, ])1. 86, tig. 457. 

 Z7?2«o vem(st7cs, Morelet, J. Conchyliol., Paris, xiv, 1866, p. 63. 

 Unio oblatus, Lea, Syn. 1870, p. 64. 



Orkjinal description : — Testa ovali-elongata, ina^quilaterali, antice 

 rotundata, postice subrostrata, costaque umbonali ; umbouibus 

 parvis : colore virescente, fusco variegata ; rugis angulatis 

 radiautibus undique crispata : intus livida ; deutibus parvis 

 obtusis. 



Long. 23, lat. 43, diam. 13 mm. 



Hah. Tavoy ; also Siam and Battamboug, Cambodia (ludiau 

 Museum Coll.). 



A very beautiful species easily recognizable by its curious 

 sculpture', consisting of dark green, nodulous, waved ridges run- 

 ning anteriorly in a horizontal, and posteriorly in a longitudinal 

 direction upon a ground of bright brownish-yellow. 



276. Nodnlaria (Nodularia) scobina {Hanley). 



Nodularia (Nodularia) scobina (Ilanlev) ; Simpson, Washington 

 D.C., Smiths. Inst., Nat. Mus. Proc. xxii, 1900, p. 816. 



Unio scobina, Haulev, llec. Biv. Shells p. 382, pi. '23, fig. 40 ; 

 Haulev & Theobald, Cat. L. & 1^. W. Shells Brit. Ind. p. 49 ; 

 H. & T. C. I. pi. 46, tig. 2. 



Original description : — [Shell] oblong, inequilateral, moderately 

 thick, rather compressed, wiru i dark green ray ou_ the anterior 

 slope, densely covered with raised v.x:rr'igations, which, upon the 

 simple umbonal slope are disposed in somewhat transverse 

 divergent curved narrow folds, are angularly met beyond it by 

 similar raised ^^ rinkles, are arranged upon the hinder extremity in 



