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Subfamily Glj^cynierinae. 

 Genus . .GLYGyi.SHIS Da Costa. 



GLYGYI'.IEHIS JAIIAIGEITSIS Dall. 



PectiuiGiilus pennacea Guppy, 1866, ■"v.ar't. Jour. Geol. 3oc. London, 



vol. 22, p. 29? (non lamarck, ISOl.). 

 Axinea p ennaoea Gabb, 137?, Trans. Am. '^riilos. Soc, nev/ ser. , vol. 



15, p. 255 (non Iamaro>, 1801) ex -.xirte. 

 Peetun cuius deouss at us G unpy. 1874, ^-eol. ''^ag.. Decade 2, vol. 1, 



p. 443 (check list), ex rjarte. (non Linnaeus, 1753). 

 Pectunoulus deoussatus Guppy, 1876, ■^-uart. Jour. Ceol. Soc. London, 



vol. 52, p. 552, (ex parte, non Linnaeus, 175S), 

 Glyc:meris Jamaioensis Dall, 1898, Trans. V/agner Free Inst. Gci., 



Philadelphia, vol. 5, pt. 4, p. 608. 



Description .- " Moderate size, nearly circular, quite 



conve:';, externally sculptured v/ith fine, even, radiating striae, 

 impressed at inter\'-als so as to give the effect of obsolete ribs, 

 which are more apparent on the middle of the shell ; on the beaks 

 some of the threads are stronger; rjnbones lov; and plump; cardinal 

 area impressed, narrow, short, and smooth; teeth small, iminterrup- 

 ted, about twenty-foiir in a"l, the line gently arcuate; inner r.a r- 

 ffin flute:'., with a slight insinuation near the base in fro/it. 



