337 Dominican Fossils — Maury 73 



Marginella (Persicula) cercadensis , n. sp. 

 Plate 11, Figure 9 



Shell small, ovate, Bulliform, spire depressed, enameled; 

 margin of outer lip thickened, sharply lined off from the body 

 whorl by a narrow sulcus; base of shell keeled, the keel being 

 continuous with the thickened margin of the outer lip, which is 

 minutely crenulate within; inner lip with three more prominent, 

 anterior plications and five weaker posterior to these, eight in 

 all, becoming obsolete posteriorly; the second t anterior pli- 

 cation is very strong, grooved on top, appearing double. The 

 body whorl is delicately and elegantly ornamented with fourteen 

 regular, revolving, chestnut-brown lines, not visible except with 

 a lens. Length 6.5, width 4.25 mm. 



This species is about the size and form of P. catenata Mont, 

 living at Monte Cristi, but the color markings are different and 

 the margin of the lip in that species is not so thickened nor has 

 the base the strong keel. The markings of our fossils are some- 

 what like those of P. multiline ata and interrupta-lineata, but 

 both these are much larger. M. obesa is still larger and more 

 convex, while chrysomelina is spotted, not lined nor keeled. 



Locality. — (Exp'd '16) Bluff 3, Cercado de Mao. (Abun- 

 dant), 



Genus Lyria Gray 



Lyria pulchella Sowerby 

 Plate 11, Figures 10, 10a 



Voluta pulchella Sowerby, Quart. Jour. Geol. Soc. London, vol. 6, p. 



46, pi. 9, fig. 4, 1849. 

 Voluta soror Sowerby,. Id. p. 46. 



Lyria pulchella Gabb, Trans. Amer. Phil. Soc, vol. 15, p. 219, 1873. 

 Voluta pulchella Guppy, Quart. Jour. Geol. Soc. London, vol. 32, p. 



528, 1876. 

 Lyria pulchella Dall, Trans. Wagner Inst. Sci., vol. 3, pt. 1, p. 84, pi. 



4, fig- 3- 1890. 

 Lyria pulchella Dall, Bull. 90, U. S. Nat. Museum, p. 58, pi. 10, fig. 11. 



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