74 



BIOLOGICAL SURVEY OF 



P. BRADYi (Sclilumberger). (Fig. 26.) The specimen 

 measures 0.65 mm. long. The surface shows faint transverse 

 grooves. In sand, depth 8 feet. 



Station: S 21. 



A x^ ^y B 



Fig. 26 Pyrgo bradyi. A. ventral view. B. aperture. 



P. ELONGATA (d'Orbigiiy). (Fig. 27.) The dimensions are 

 0.53 mm. by 0.35 mm. As shown in the figure, the aperture 

 does not quite agree with that figured by Cushman (1908, 

 pi. 5, fig. 9) from Woods Hole. The present specimen is also 

 somewhat smaller and relatively narrower than Cushman 's 

 figure. On blue clay, depth 239 feet. 



Station: D 130. 



Fig. 27 Pyrgo elongata. A. ventral view. B. aperture. 



