- -276 



]?amilj/ Gnsr)iclariidae. 

 GrenvB OU^^riiJArilA IJardO'. 

 Subgenus Gardiomya A. Adams. 



GUSPIDAEIA (OARilOMYA) ORASPEDOIIIA Dall. 



GiT spiel aria ( Gai-dioin:;a) oraspedonia Dall, 1905, Trans. V/agner 



Free Inst. Sci., Philadelphia, vol* .? , pt. 6, p. 1506, 

 pi. 57, fie. 17. 



Desori potion .- "Shell small, plump, rostrate, the disk 

 sculptured \vith numerous elevated, si'^vole, radial threads, with, 

 in the interspaces, from one to three much finer sube- ual threads, 

 the whole crossed by fine concentric lines of growth;- the major 

 radials increase somewhat in prominence nea.r the posterior end; 

 bea"ks low, submeiian, inconspicuous; rostrum small, short, slight- 

 15^ recurve'l, subtruncate terminallj', scul'otured concentrically 

 with a single feeble thread extending from the besks to the lower 

 posterior extremity; hinge normal, rosette ver^- small; interior 

 b" sal margin fringed by small projections corresponding to the 

 major radial sculpture, length 4.0, height 2.5, diam. 2.0 m.m. " 

 "This sr;ecies is nrobably the one referred by Guppy to G. alt- 



