. Handbook of zoology [microform] : with examples from Canadian species, recent and fossil :. Zoology; Invertebrates; Zoologie; Invertébrés. V ill m 'â < '8 PROVINCE MOLLUSC A. Ill Fi(/. !)1. rart8 jst- |lla, fsh- Icir-. 91. Levralia quadric'ounuta, Dawson, Post-plioceue, Montreal. The curious UrnafeUa gracilis of Leidy, is by some regarded as tlie type of a separate gT'oiip. It is a fresh-water species fouDd in the Schuylkil River. The first four groups are the PhylactolcBmata of Allman, having an er)istome at the n outh. The two last are , having no epistome. 2. Tiiiiicata.
. Handbook of zoology [microform] : with examples from Canadian species, recent and fossil :. Zoology; Invertebrates; Zoologie; Invertébrés. V ill m 'â < '8 PROVINCE MOLLUSC A. Ill Fi(/. !)1. rart8 jst- |lla, fsh- Icir-. 91. Levralia quadric'ounuta, Dawson, Post-plioceue, Montreal. The curious UrnafeUa gracilis of Leidy, is by some regarded as tlie type of a separate gT'oiip. It is a fresh-water species fouDd in the Schuylkil River. The first four groups are the PhylactolcBmata of Allman, having an er)istome at the n outh. The two last are , having no epistome. 2. Tiiiiicata. Exteiaally these creatures are among the most unintc - iting of the Moll as^^s ; their whole bodies being enclo ^ed in a uniform Sv\c-like coat. A species of Bo^>nia, (i?. Bolteni, Lin,) presenting exter- nally the appcj^ronce of a leathery sf'c, supported on a sta'k, -s not uncommon on our coasts. (Fig. 92.) rii. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Dawson, J. W. (John William), Sir, 1820-1899. Montreal : Dawson
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Keywords: ., bookcentury1800, bookdecade1870, booksubjectzoology, bookyear1870
