2 SMITHSONIAN MISCELLANEOUS COLLECTIONS VOL. 9I 



TEXTULARIA LATERALIS, n. sp. 



Plate I, figs. 3-5 



Test subtriangular in outline, slightly longer than wide, somewhat 

 compressed, subrhomboidal in end view, periphery subacute to spinose ; 

 chambers numerous, about twice as wide as high, usually rounded at 

 the periphery, but terminating in short, conical spines in some speci- 

 mens, especially near the initial end, upper margin of chamber very 

 slightly overhanging; sutures distinct, slightly depressed, gently curved 

 in an anterior direction ; wall finely arenaceous and rather smoothly 

 finished ; aperture a very low opening at the base of the inner margin 

 of the last- formed chamber, with a short lip at the upper edge. Length 

 of holotype 0.71 mm ; width 0.70 mm ; thickess 0.31 mm. 



Holotype. — U.S.N.M. no. 26176; from station 25, latitude i8°32' 

 15" N., longitude 66°22'io" W. to latitude i8°32'o5" N., longitude 

 66°22'io" W., 240 to 300 fathoms. 



Several specimens have also been found at station 13, latitude i8°3i' 

 05" N., longitude 66°02'i5" W. to latitude i8°3o'3o" N., longitude 

 66°04'o5" W., 200 to 300 fathoms; and at station 93, latitude i8°38' 

 00" N., longitude 65°09'3o"W. to latitude i8°37'45" N., longitude 

 65°o5'oo" W., 350 to 400 fathoms. 



EXPLANATION OF PLATE 



Figs, i, 2. Textularia calva, n. sp. X 38. i, Microspheric form, holotype. 



2, Megalospheric form, paratype. a, a, front views ; h, b, top views ; 



c, c, side views. 

 Figs. 3-5 Textularia lateralis, n. sp. X 53- 3, Paratype. a, front view; b, top 



view. 4, Paratype. Front view. 5, Holotype. a, front view ; ^. top 



view ; c, side view. 



