8g PEOCEEDINGS OF THE NATIONAL MUSEUM vol.70 



the last turn only projects. Postnuclear whorls well rounded, marked 

 by rather strong, slightly retractively slanting lines of growth and 

 numerous closely spaced fine spiral striations. Periphery obsoletely 

 angulated. Base inflated, narrowly, openly umbilicated, well rounded, 

 marked Hke the spire. Aperture large, broadly oval; posterior angle 

 obtuse; outer lip thin; inner lip strongly curved, reflected but not 

 appressed to the base, provided with an oblique fold a little anterior 

 to its insertion; parietal wall covered by a thin callus. 



The type. Cat. No. 108108, U.S.N.M., comes from Bureau of 

 Fisheries Station 2668, in 294 fathoms, sandy bottom, 46.3° bottom 

 temperature, off Fernandina, Fla. It has 3.5 whorls and measures: 

 Length, 2.5 mm.; diameter, 1.4 mm. 



Cat. No. 360180, U.S.N.M., contains about 50 additional specimens 

 from the type locality. 



Family PEDICULARIIDAE 



Genus PEDICULARIA Swainson 



PEDICULARIA DECUSSATA Gould 



Pedicularia decussata Gould, Proc. Boston See. Nat. Hist., vol. 5, p. 127, 



1855; Otia, p. 215, 1862. 

 Pedicularia albida Dall. Bull. Mus. Comp. Zool., vol. 9, p. 39, 1881. 

 Pedicularia deciissata Dall, Bull; Mus. Comp. Zool., vol. 18, p. 237, fig. 9a-b, 



1889. 



Off Fernandina and Georgia, 22 specimens. 



Off Havana, in 450 fathoms on Solenosmilia variabilis Dumeril; 

 Poiirtales. Yucatan Strait, in 640 fathoms; BlaJce expedition. 



Family SEGUENZIIDAE 



Genus SEGUENZIA Jeffreys 



SEGUENZIA FLORIDANA, new species 



Shell small, white, trochiform, with a minute smooth translucent 

 nucleus of about one whorl, and six subsequent whorls; spiral sculp- 

 ture at first of one, later two and on the last whorl three sharp cari- 

 nations, the anterior largest, on which the suture is laid; the base has 

 three or four smaller but similar spirals; axial sculpture of extremely 

 fine silky incremental lines; aperture with a short sulcus near the 

 suture, the outer lip scalloped by the sculpture; the pillar short, 

 twisted, with a prominent tooth anteriorly; base well rounded, 

 imperforate. Height of shell, 5; of last whorl, 2.7; diameter, 4 mm. 

 U. S. Nat. Mus. Cat. No. 108084. 



Off Fernandina and Georgia, numerous; and off Cape Florida at 

 United States Fish Commission Station 2644, in 193 fathoms, sand, 

 temperature 43.4° F. 



