AMPULLARIA. 



Species 103. (Mus. Cuming.) 

 Ampollahu rERN.\Miiucr.Nsls. Amp. testa ohtiqnv 

 orbiculari, imperforatd, iateraliter compressd, spirti 

 parvd, arifractibus cnnveris, ultinw peramplo, expanso ; 

 olivaced, lineh nigricantibici ciiujnlatd ; aperturd pa- 

 tiild, fauce nilente castaned, lahro tmtce reflexo. 

 'I'hf. Pernambuco Ampullaria. Shell obliquely orbi- 

 eular, imperforated, laterally compressed, spire small, 

 wliorls coavex, the last very large and expanded; 

 olive-ash, encircled with faint blackish lines ; aperture 

 wide open, interior shining chestnut, lip thinly re- 

 flected. 

 llab. Pernambuco. 



K laterally compressed expanded shell, of light tcxtm-e, 

 richlv coloured with dark chestnut in the interior. 



Species 104. (Fig. a, b, Mus. Cuming.) 

 Amih'llaria hulla. Amp. testd mbgloboad, anguste iim- 

 liilicatd, spird suiobtusd, anfractibm rotundatis, lavi- 

 Ims ; fulvo-olivaced, linm rufescentibm dngtdatd; 

 aperturd rottindato-ovatd, lahro tenue reflexo. 

 The bubble Ampullaria. Shell subglobose, narrowly 

 umbilicated, spire rather obtuse, whorls rounded, 

 smooth; fulvous -olive, encircled with red lines; 

 aperture rotundately ovate, lip thinly reflected. 

 Hah. ? 



Of simple character, encircled upon a fulvous-olive 

 groimd with red lines, which are seen more conspicuously 

 in the interior. 



Species 105. (Fig. a, b, Mus. Cuming.) 

 Ampullaria Hoissyi. Amp. testa oblongo-conicd, soli- 

 diusculd, anguste profundi -umbilicatd, spird obtusd, 

 anfractibus rotundatis, supeme declivibus, exilissiirie 

 decussatim striatis; fulvo-albidd, fasciis angustis oli- 

 vaceo - nigricantibus cingulatd ; aperturd pyriformi- 

 ovatd, labro columellari subcalloso, subreflexo. 

 Eoissy's Ampullaria. Shell oblong -conical, rather 

 solid, narrowly deeply umbilicated, spire rather ob- 

 tuse, whorls rounded, slanting at the upper part, 

 very finely decussately striated ; fulvous-white, en- 

 circled with narrow olive-black bands ; aperture pyri- 

 forraly ovate, colnmellar lip rather callous, slightly 

 r.flected. 



D'Orbigxy, Moll. Voy. dansTAmcr. .Mrri.l. \.. .-J?:, pi. r>2. 



f. 1-3. 

 Tlab. Kio Parana, La Plata ; D'Orbigny. 



The substance of this shell is rather more callous than 

 usual, typical of a distinct section of the genus. 



Fig. 106. (Mus. Cuming.) 

 The shell here representeel proves to be an oblong con- 

 voluted variety o^ A. crassa, described at PI. I. Fig. ."). 



Species 107. (Fig. a, b, Mus. Cuming.) 

 Ampullaria Physoides. Amp. testd semiglubosd, tennis- 

 simd, vix umbilicatd, spird parvd, anfractibus convexis, 

 longitudinaliter eleganter impresae undato - striatis, 

 ultimo perinflato ; pallide fulvd, carneo tinctd, fasciis 

 paucis rnfis obscuris cingulatd; aperturd ampld, labro 

 tenue reflexo. 

 The Physa-like Ampullaria. Shell semiglobose, very 

 thin, scarcely umbilicated, spire small, whorls convex, 

 longitudinally elegantly imprcssly wave-striated, last 

 whorl much inflated ; light fulvous, flesh-tinged, en- 

 circled with a few obscure linear red bands ; aperture 

 large, lip thinly reflected. 

 Bab. Pernambuco. 



Of the same typical form as A. Pernamb 

 thinner and more inflated, and of a pale flesh 

 vous colour. 



:, but 



Species 108. (Mus. Cuming.) 



Ampullaria saxea. Amp. testd oblongo-ovatd, solidiiis- 

 culd, anguste obtecte mnlilicatd, spird subobtusd, an- 

 fractibus superne subdepressis, obsolete angulatis, deinde 

 rotundatis; olivaced; aperturd pyriformi, oblongd, 

 labro columellai'i tenue reflexo. 



The stony Ampullaria. Shell oblong-ovate, rather 

 solid, with a narrow covered umbilicus, spire rather 

 obtuse, whorls a little depressed rouud the upper part, 

 obsoletely angled, then rounded ; olive ; aperture py- 

 rifornaly oblong, columellar lip thinly reflected. 



Ilab. ? 



An oblong-ovate shell, of rather solid texture, charac- 

 terized by a faint depression round the upper wiiorls, 

 causing a scarcely perceptible angle. 



November, 1856. 



