...SAY ; Journ. ..'-••./. .\"it. Sc., ii. 124. " Shell heterostrophe, sub-globose, pale-yellowish ; whorls rather more than four, very rapidly attenuated...aperture but little shorter than the shell, dilated ; labium a little thickened on the inner sub-margin." (SAY.) Length -yv inch, breadth 5 \ inch, divergence...

...globose, paleyellowish ; whorls rather more than four, very rapidly attenuated ; spire trunc: ted, hardly elevated beyond the general curve of the surface;...aperture but little shorter than the shell, dilated ; labium a little thickened on the inner sub-margin." (SiY.) Length |£ inch, breadth /5 inch, divergence...

...Phyla anciUttria. Pliysa ancillaria, SAT. — Shell heterostrophe, sub-globose, pale yellowish ; whirls rather more than four, very rapidly attenuated ; spire...species is unusually short, truncated at tip like the Paludina decisa, nob. ; and the suture is so inconspicuous as to give rise to the name which I have...

...ajiciUtirla. Physa ancillaria, SAT. — Shell heterostrophe, snb-globose, pale • yellowish ; whirls rather more than four, very rapidly attenuated ; spire...species is unusually short, truncated at tip like the Paliidina decisa, nob. ; aud the suture is so inconspicuous as to give rise to the name which I have...

...SAT. — Shell heteroetrophe, sub-globose, pal» »ellewish ; wblrU rather more than four, тегу rapidly attenuated ; spire truncated, hardly elevated...shell, dilated; labrum a little thickened on the inner niirçin. Length more than one-half of an inch. The spire of this species is unusually short, truncated...

...Physa anciUarta. Physa ancillaria, SAT. — Shell heterostrophe, sub-globose, pale yellowish ; whirls rather more than four, very rapidly attenuated ; spire...aperture but little shorter than the shell, dilated ; labrnm a little thickened on the inner margin. Length more than one-half of an inch. The spire of...

...Fr. W. Shells, ii. 81, fig. 139 (1865). PJujsa obesa, DE KAY, NY Moll. 78, pi. 5, fig. 86 (1843). " Shell heterostrophe, sub-globose, pale yellowish ;...aperture but little shorter than the shell, dilated ; labium a little thickened on the inner sub-margin." (&?/.) Length, eleven twentieths of an inch;...

...collector, for none but these forms present that character. PHYSA ANCILLARIA Say. Plate 8, fig. 4. "Shell heterostrophe, subglobose, pale yellowish;...inner margin. Length more than one-half of an inch." (Say.) The only locality from which specimens have been seen, in Indiana is Turkey Lake; four specimens...

...corresponds with some individuals belonging to the Philadelphia Museum, also said to be fossil. PHYSA. P. ancillaria. Shell heterostrophe, subglobose, pale...little thickened on the inner margin. Length more than | an inch. ' The spire of this species is unusually short, truncated at tip like the PALUDINA decisa,...

...collector, for none but these forms present that character. PHYBA ANCILI^ARIA Say. Plate 8, fig. 4. "Shell heterostrophe, subglobose, pale yellowish;...inner margin. Length more than one-half of an inch." (Say.) The only locality from which specimens have been seen in Indiana is Turkey Lake; four specimens...