Mollusca : testacellidæ and zonitidæ / by W.T. Blanford and H.H. Godwin-Austen.

  • William Thomas Blanford
Date:
1908
Catalogue details

Licence: In copyright

Credit: Mollusca : testacellidæ and zonitidæ / by W.T. Blanford and H.H. Godwin-Austen. Source: Wellcome Collection.

    326/352 (page 290)
    median and admedian are almost triangular, without distinct lateral cusps. The outer laterals are unicuspid at first, but soon become bicuspid and towards the margin are small and narrow. As the animals of the Burmese forms referred to Hemiplecta, with the exception of H. uter, are imperfectly known or un- known, it is doubtful whether all belong to the present genus. [Fig. 88.—Hemi'plecta humphreysiana. A. Animal, spirit-specimen, viewed from left side. X T8. B. Ditto, ditto, viewed from the anterior and lower side. X 1‘8. 0. Genitalia, natural size. D. Teeth of the radula, X 276 ; jaw, X 6. Herniplecta uter. E. Teeth of the radula, X 276; jaw, x 6.]