291 Dominican Fossils — Maury 127 



crossed by three thick, flat, spiral cords and cut by the three 

 grooves alternating with the cords, thus forming a tripartite 

 series of quadrangular beads to each whorl; the uppermost cord 

 and groove are the strongest and deepest; columella not plicate, 

 body whorl ascending slightly and much thickened near the aper- 

 ture, Lengte of imperfect specimen 30, greatest width 15 mm. 

 Collected by Gabb in Santo Domingo. 



This species is named in honor of Mr. and Mrs. Norman 

 Orme, La Receptoria, Puerto Plata. 



Genus Serpulorbis Sassi 



Serpulorbis grant/era Say 

 Plate 22, Figure 9 



Serpula granifera Say, Jour. Acad. Nat. Sci. Phila., 1st ser. vol. 4, p. 



154, pi. 8, fig. 4, 1824. Reprint Bull. Amer. Paleont. No. 5, 1896. 

 Vermetus decussatus Gabb, Trans. Amer. Phil. Soc, vol. 15, p. 240, 



1873. Not V. decussatus Gmelin. 

 Serpulorbis granifera Dall, Trans. Wagner Inst. Sci., vol. 3, pt. 2, 



p. 303, 1892. 

 Anguinella virginiana Whitfield, Mon. 24 U. S. Geol. Survej^, p. 132, 



pi. 24, figs. 1-5, 1894. 

 Vermetus graniferus Martin, Maryland Geol. Survey, Miocene, p. 232, 



pi. 54, figs. 14, 15, I9°4- 



Our Dominican specimens are very like 5. granifera tenera 

 Dall from the Upper Miocene of North Carolina; They are not 

 identical with the recent Antillean species, 5*. decussatus Gmelin. 



Localities. — (Exp' '16) Rio Cana, Guayubin to Mao road; 

 Zone B, Rio Garabo at Los Quemados. 



Serpulorbis papulosa Guppy 

 Plate 22, Figure 10 



Vermetus papulosus Guppy, Quart. Jour. Geol. Soc. , vol. 22, p. 292, pi. 



17, fig. 3, 1866. 

 Petaloconchus sculpturatus Gabb, Trans. Amer. Phil. Soc, vol. 15, p. 



241, 1873. 

 Vermetus papulosus Guppy, Quart. Jour. Geol. Soc, vol. 32, p. 519, 



1876. 



