284 REPORT OF NATIONAL MUSEUM, 1897. 



TEXTULARIA CARINATA d'Orbigny. 

 (Plate 29, fig. 1.) 



Short, triangular, compressed, the broad faces divided by a prominent 

 ridge extending from the base toward the apex, the sutures strongly 

 ribbed, the marginal angles acute, with irregular, short, rounded teeth, 

 base quadrilateral, apex thin and slightly rounded ; aperture a broad 

 slit at the inner margin of the final segment ; texture coarsely arena- 

 ceous. Length, 1.4 mm. (-Jg- inch). 



Locality. Gulf of Mexico (station 2400), 169 fathoms. 



TEXTULARIA RUGOSA Reuss. 

 (Plate 29, fig. 2.) 



Pyramidal, with nearly equal sides, the angles rugged; segments 

 rather thin, quadrangular, curved upon the flat, projecting at the sides 

 and angles; sutural lines deep and arched. Length, about 1 mm. (Cl- 

 inch). 



Locality. Specimen collected near the mouth of Exuma Sound, 

 Bahamas (station 2629), 1,169 fathoms. 



TEXTULARIA AGGLUTINANS d'Orbigny. 

 (Plate 29, fig. 4.) 



Elongated, tapering, slightly flattened, composed of twenty segments, 

 more or less, alternating in two rows, the later segments slightly 

 inflated; texture rather coarsely arenaceous j aperture a smooth curved 

 fissure on the inner side of the last segment. Length, about 1 mm. 

 (-A 5 -inch). 



Localities. Near Aspinwall, Straits of Yucatan, Gulf of Mexico, coast 

 of Brazil (stations 2144, 2358, 2385, 2760), 222 to 1,019 fathoms. 



TEXTULARIA LUCULENTA Brady. 

 (Plate 29, fig. 3.) 



Elongate, tapering, flattened; edges rounded; segments numerous; 

 texture finely arenaceous. Length, about 2 mm. (^ inch). 



Localities. Near Old Providence, off Key West, Arrowsmith Bank 

 (Yucatan) (stations 2150, 2315, 2355), 37 to 400 fathoms. 



TEXTULARIA GRAMEN d'Orbigny. 

 (Plate 29, fig. 5.) 



Subconical, compressed toward the tip, broadly oval at the base, 

 angles of the compressed portion rounded; sutural lines indistinct; 

 texture arenaceous, surface rough; aperture round or lengthened at 

 the inner margin of the last segment. Length, about 1.5 mm. ( ^ inch). 



Localities. Caribbean Sea and Gulf of Mexico (stations 2150, 2400), 

 382 and 169 fathoms. 



