326 HvujRKunjR 



17. Pisidium obtusalastrum, B. H. Woodwarr]. 



Etym. : — OUusalis (frorii Lut. ohliisus, hliirit), a specific name 

 + -asler, sorncv/hat resembling. 



'{\H\H. Cydas obtusalis : Lamarck, IIi.il,. Anim. mns Verl., v, 



p. m) (id., 2nd ed., vi, IH.%, p. 269). 

 ?1821. Pindium ohlumle, Lam. (?) : Pfkifkek, Nalurq. Dmlsch. 



Moll, i, p. ^2T), pi. V, f. 2], 22. 

 18.32. /'u'i/lium ohlumle,, PfeifT. : Jknyns, Trans. Camh. Phil. 



Hoc, iv, p. .301, pi. XX, f. 1-3. 

 18.32. Pcra ffiOha, Leach MHH. : Jknyns, t. c, p. .301, in synon. 



[Alder had already apjjlied the name in 



1831, to a form which was probably per- 



Honatmn.] 

 1837. Pi.tidium fonlinalc, var. oldu.i(dr, milii : IIkld, Jsi.<i, 



18,37, col. .30(1 . 

 IK40, I /'iridium, ohlumle, I'fcilTcr : (Jkay, in Turton's Manual, 

 Apr. J new cd., p. 282, pi. xii, f. W.). 



\, . I Pindium. ohlu.mle. Alder : Brown, Jllu.tl. Conch. Brit., 

 y;^"f';^;j ed. 2, p. '.H, j.I. xxxix, f. 2L 



]H'\'.',. dyeUia fonlinaUx, var. B. ohi.u.salis : Dui'UY, E.s.sai Moll. 



Gern., p. 89. 

 1843. (lychi..^ (thlumlii, Ijarri. : FIani.ky, (!a.l. fiec. liivalve Shells, 



p. '.>(>. 

 IHiF). 1'i.K'di.iun ohlu.mle, Alder: IJrown, IJhul. L. & F.-W. 



(Jonch. Ihil., p. 120, [)l. xxiv, f. 1). 

 I8'19. Pindium. ohiusale, J'fcilTer : KoiU'.KH k IIanf.ky, Brit. 



Moll., ii, p. 120, pi. xxxvi, f. I. 

 18.''>2. Perafjihha [pars] : Lkacii, Moll. Jiril. Si/no/i., ]>. 292. 

 18.04. Pimm ohlu.mle, Lamk. : DiosifAYKH, (lal. (Umrh. Brit. 



Mus., ii, p. 279. 

 \Hrtr>. Pisidium f/lohulosum,, nob. : (Jahhikh, Aeles Hoe. Linn. 



Bordeaux, xx, [). .34H, j)l. ii, f. 8. 

 I8.'">f;. I'isid.lum ohiasale. Lam.: MoQU in-Tan DON, Ilist. Moll. 



France, ii, p. 588, pi. lii, f. 43 40. 

 18.57. Pisidium. ohbrnde, PfeifTer : (Jkay, in 'I'lirton'M Manual, 



n(!W ed., p. 2()4, pi. xii, f. 149. 

 18.57. Pisidium. easertanuni; war. (> . f/lohulo.riini, (iiinH. : Uaujjon, 



Mem. Hoe. Acad. Oise, iii, pp. .34.3 k 348. 

 IK.5K. Museu.l.lum ohlu.sale, I'fcilT. : II. k A. Adams, (lenera 



Moll., ii, p. 4.52. 

 185'.). Pisidium 'pusillu.m., var. ohhi.salis : .\v)vv\\.v.\n, Ann. A, 



Maij. Nat. Ilisl., Ser. Ill, vol. iii, p. .37. 

 |H(;2. Pisidium nitidum, .leiiyns : .Ikkkkkyh, Bril. doneh., i, 



J). 25; v, pi. i, f. K. \Noii .leny?iH.| 

 iH(;.3. Pisidlam ohlusale, Lamarck: iilOKVK, />. <\t F.-W. Moll. 



Ihil. /.v., p. 229, ligH. 

 1871. Pindium ((.yeladina) ohlu.mle: Ci.iossiN, Malak. /ilnlL, 



xviii, p. 189. 



