PALUDIN A. 



Plate XL 



Fig. 67. (Mus. Cuming. 



The shell here represented is the Paliidiua Boissieri, 

 Charpentier, inhabiting the vicinity of Naples ; but ac- 

 cording to Frauenfeld, who has lately made an especial 

 study of this Family, it is a Bithynia. 



Species 68. (Fig. a, b, Mus. Anthony.) 



P.\LUDIN.\ SCALARIS. Pal. testd subtrigono-ovatd, alba,, 

 sinislrali, spird late planatd, inierdnm concavo-immer- 

 sd, unfractibtcs longitudinaliter striatis, siiperne acute 

 avgnlalis, deinde convexis ; aperturd ohloiiyd, ampld. 



The winding-stair Paludina. Shell somewhat trian- 

 gularly ovate, white, sinistral, spire broadly flattened, 

 sometimes concavely immersed, whorls longitudinally 

 striated, sharply angled round the upper part, then 

 convex ; apertiu'e oblong, large. 



J.AY, Catalogue, pi. 1. f. 8, 9. 



Hab. Near Tampa Bay, Florida. 



A curious sinistrally coiled shell, with the spire broadly 

 flattened or concavely immersed. 



Species 69. (Mus. Anthony.) 



Paludina kegularis. Pal. testa (/hboso-ovatd, crassiiis- 

 culd, niffricante-olivaced, versus apicem plus minus 

 erosd, spird brevi, subaciitd, anfractibus convexis, lavi- 

 bus ; aperturd pyriformi-oblongd, subampld. 



The regular Paludina. Shell globosely ovate, rather 

 thick, bliickish-olive, more or less eroded towards the 

 apex, spire short, rather sharp, whorls convex, 

 smooth ; aperture pyriformly oblong, rather large. 



Lea, Trans. Amer. Phil. Soc, vol. ix. p. 13. 

 Vivipara regularis, Binney. 



Hab. Illinois and Ohio, United States. 



Of a much shorter obovate growth, with a smaller spire 

 than any other United States species. 



Species 70. (Mus. Cuming.) 



Paludina virescens. Pal. testd ovato-conicd, subitijiatd, 

 pellucido-viresceuie, obscure fasciatd, versus ajjicem 

 rubidd, anfractibus convexis, Irsvibus, minute grano- 

 striatis, striis subdistantibus, aufractu ultimo hiferni 

 exililer angulato ; aperturd ovaid. 



The greenish Paludina. Shell ovately conical, rather 

 inflated, light transparent green, obscurely banded, 

 niddy towards the apex, whorls convex, smooth, mi- 

 nutely grain-striated, stria; rather distant, last whorl 

 delicately angled at the lov.-er part ; aperture ovate. 



Hab. Macassar. 



A delicately-tinted faintly banded shell of the variable 

 P. Javanica type. 



Species 71. (Mus. Cuming.) 



Paludina australis. Pal. testd ovato-conicd, snhglo- 

 bosd, fusco-olivaced, lineis fuscescentibns subdistan- 

 tibus pallide cinctd, anfractibus superne subappres.us. 

 deinde rotundatis, midique minntissime striatis ; aper- 

 turd rotundato-ovatd. 



The southern Paludina. Shell ovately conical, rather 

 globose, fuscous-olive, faintly encircled with rather 

 distant brownish lines, whorls slightly appressed 

 round the upper part, then rounded, everywhere very 

 minutely striated ; aperture rotundately ovate. 



Hab. Victoria Eiver, North Australia; Bring. 



A faintly lineated shell, of peculiar fuscous-olive coloui-. 



Species 73. (Mus. Cuming.) 



Paludin.^ Maheyana. Pal. testd ovato-conicd, subob- 

 liqud, pallide virescente-olivaced, rufescente interdum 

 fasciald, anfractibus superne decUvi-convexis, ad sutu- 

 ras constrictis, longitudinaliter plicato-striutis, inter- 

 dum conspicue vialleatis ; aperturd ovatd. 



The JIahey Paludin. Shell ovately conical, rather 

 oblique, pale greenish-olive, sometimes banded with 

 red, whorls slopingly convex round the upper part, 

 constricted at the sutures, longitudinally plicately 

 striated, sometimes conspicuously maUeated ; aper- 

 ture ovate. 



Grateloup, MS. in Mus. Cuming. 



Hab. Madagascar ? 



Of a peculiar pale sickly-green colour, sometimes banded 

 with red after the manner of P. vivipara. 



Species 73. (Mus. Cuming.) 

 Paludina polita. Pal. testd obtuse ovatd, subobliqun. 



AprU, 1863. 



