PIIYSA.— Plate II. 



anteriorly rather broad, golden within or pale 

 pink ; columellar fold thin, turned obliquely back- 

 wards. 



Grat. Spicilegia Zoologica, p. 5, pi. 6, fig. 10. 



Hab. Guayaquil, Peru. 



More slender and tapering than Phtjsa Maugerue. 



Species 13. (Mus. Brit.) 



PursA AURANTIA. Phj. tesfii inflatd, subpipruiiiilata, 

 aunmtio-fiisci'i, i^olitissimd, fills aureis inuliilatis 

 postice magls numerosis strigatd, fascia uurea spirali 

 prope suturam marginatd ; aperturd pi/riformi, 

 iiitus aureo-fuscd, labia interna expanso. 



The orangk-coloured Phtsa. Shell inflated, sub- 

 pyramidal, orange-brown, very shining, striped 

 with golden, undulated, threads more numerous 

 posteriorly ; bordered near the suture with a 

 golden spiral band ; aperture pyriforra, golden- 

 brown within, inner lip expanded. 



? MS. Mus. Brit. 



Hab. Mexico. 



Species. 14. (Mus. Brit.) 



PiiYSA SOLIDA. Phy. testa ovatd, crassitisculd, ruhro- 

 fuscd, fascia pallide subaured longitudinalitcr hinc 

 illio strigatd; spird breviiiscnld, subacuminatd ; 

 aperturd inliisflavidd, rubra-fusco propl' marginem 

 fasciatd, plied columellari tortuosd. 



The solid Physa. Shell ovate, rather thick, red- 

 brown, longitudinally striped here and there with 

 a pale golden band ; spire rather short, sub- 

 acuininated ; aperture yellowish within, banded 

 near tlie margin with reddish brown columellar 

 plait tortuous. 



Philippl ? (Adams, Genera.) 



Ilab. Tennessee, United States. 



A somewhat thick-set species, of dark horn colour 

 with an occasional light band. 



Species 15. (Mus. Brit.) 



Phvsa vinosa. Phi/, testa brevi, inflatd, suhovatd, 

 rubrofiiscd ; spird brevi, honied; aperturd magna, 

 intiis castaned ; plied columeUari crassikscnld. 

 torltid. 



The vinous Putsa. Shell short, inflated, subovate. 

 red brown ; spire short, conical ; aperture large, 

 chestnut within, columellar fold rather thick, 

 tortuous. 



Gould. Expedition Shells. 



Hub. Lake Superior. 



Species 16. (Mus. Brit.) 



Phtsa ixfluvi.\ta. PIiij. jiyrajiiidatd, pastice attenuatd. 

 antiue inflatd, subtruncatd, politissimd, fusco- 

 aurantid, versils apicem vinosd ; spird angustd, 

 elongatd, acuminatd ; aperturd lata ; spiram longi- 

 tudine parvum siiperanti ; nltimo anfractu antice 

 valde inflato. 



The river Physa. Shell pyramidal, posteriorly 

 attenuated, anteriorly inflated, subtruncated, miich 

 polished, orange-brown, vinous towards the 

 aperture; spire narrow, elongated, acuminateil ; 

 aperture wide, a little longer tliun the spire, last 

 whorl much inflated anteriorly. 



Morelet. ? 



Hab. Guatemala. 



This species belongs to the same group with Phy.m 



Maugerice, aurantia, Peruviana, &c., but is more jiyri- 



form than either. 



