. Mollusca ... hat inthe Khasi Hills. The last is an obscure form not recognizedsince. The Kashmir form differs slightly from E. monticola inhaving its mouth even more lengthened, but it is doubtful whetherthis is constant. I regard the two as identical. 150 ZONITIDjS. 235. Euaustenia cassida, Hutton, J. A. 8. B. vii, 1838, p. 214; Pfr.(Vitrina) MoK. Hei. ii, 1848, p. 497; iii,1853, p. 2; iJy. (Vitriiia)Conch. Icon., Vitrina, fig. 10; H. Sf T. (Vitrina) C. I. 1876,pi. 152, figs. 2, 3 ; Nev. Hand-l. i, 1878, p. 15 ; Theobald, J. B. 1878, 2, p. 14; Godwin-Austen (Austenia), Mol. Ind. i,1888
. Mollusca ... hat inthe Khasi Hills. The last is an obscure form not recognizedsince. The Kashmir form differs slightly from E. monticola inhaving its mouth even more lengthened, but it is doubtful whetherthis is constant. I regard the two as identical. 150 ZONITIDjS. 235. Euaustenia cassida, Hutton, J. A. 8. B. vii, 1838, p. 214; Pfr.(Vitrina) MoK. Hei. ii, 1848, p. 497; iii,1853, p. 2; iJy. (Vitriiia)Conch. Icon., Vitrina, fig. 10; H. Sf T. (Vitrina) C. I. 1876,pi. 152, figs. 2, 3 ; Nev. Hand-l. i, 1878, p. 15 ; Theobald, J. B. 1878, 2, p. 14; Godwin-Austen (Austenia), Mol. Ind. i,1888, p. 214, pi. 54, figs. 8, 3 a (shell) [is a large Parmtellaansteniana],\itriua monticola, Rv. Conch. Ic, Vitrina, fig. 11 ; H. S,- T. C. , pi. 152, fig. 1; Godioin-Austen (Austenia), Mol. Ind. i,1888, p. 234, pi. 52, fig. stoliczkanus, JVevill, Yark. Miss., Mol. p. 15, figs. 19-21; Theobald, J. A. S. B. 1881, p. 45; Godicin-Austen (Austenia),Mol. Ind. i, 1888, p. 236, pi. 52, tig. 3 (shel ).. [Fig. 54.—Etmtistenia cassida. A. Animal, drawn from a spirit-specimen, viewed from both the right and left side, X25 ; in the flrst the left sholl-lobe is shown contracted androlled up. The genitalia, x4-5; jaw, Xl2; teeth of the radula, x368;and shell, x2-5. Eiiiiu^/niia stollc-lrinits, B, Animal looked at from above, x2-5. Specimen from Naini Tal.] EUAUSTENIA, 151 Shell ovately depressed, thin, translucent, polished when young,less so when older, faintly striated, sometimes more densely, palehorny; spire convex, suture impressed; whorls 4|, convex, thelast ascending very slightly towards the peristome, rounded atperiphery, tumid beneath; aperture oblique, ovately lunate ;peristome thin, margins converging, upper margin straight atfirst near penultimate whorl, then arcuate, columellar sinuate,meeting last whorl at an obtuse angle. Major diam. 23J, min. 18, height 11 mm. (much larger speci-mens occur, one of the largest measuring 30 x 23 x 13, another26^x20x12). Hah.
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