52 



BULLETIN 100, UNITED STATES NATIONAL MUSEUM. 



Genus THURAMMINA H. B. Brady, 1879. 



THURAMMINA PAPYRACEA Cushnian. 



Plate 3, fig. 3. 



Thurammina 'papijracea Cushman, Proc. U. S. Nat. Mus., vol. 44, 1913, p. 637, pi. 79, 

 fig. 4. 



Description. — Test spherical, wall extremely thin and delicate, 

 composed of line sand grains, sponge spicules and abrownish cement; 

 apertures very small and inconspicuous. 



Diameter 1.5 mm. 



Type specimen. — (Cat. No. 8511, U.S.N.M.) from Albatross station, 

 D5613, north of Celebes, 752 fathoms (1,375 meters). 



This is a large species with a paper-thin wall and very inconspicu- 

 ous apertures. 



Specimens were foimd at the following six stations: D5469, east 

 coast of Luzon, 500 fathoms (914 meters); D5470, the neighboring 

 station, 560 fathoms (1,024 meters); D5612, Gulf of Tomini, Celebes, 

 750 fathoms (1,370 meters); D5613, 752 fathoms (1,375 meters); 

 D5637 south of Patiente Strait, 700 fathoms (1,280 meters); and 

 D5668 Macassar Strait, 901 fathoms (1,648 meters). The bottom 

 temperature was given in but one case — D5668, 38.2° F. (3.4 C.°) 



Thurammina papyracea — Material examined. 



Cat. 

 No. 



Coll. of— 



12791 U.S.N.M. 



12792 U.S.N.M. 



12793 U.S.N.M. 



S }U.S.N.M. 



12795 U.S.N.M. 



12796 U.S.N.M. 



No. of 

 speci- 

 mens 



Station. 



Locality. 



D5469...I 13 36 48 N.; 123 38 24 E. 



D5470...i 13 37 30 N.; 123 41 09 K. 



D5612... 38 00 S.; 121 45 40 E. 



D5613...! 12 00 S.; 121 44 00 E. 



D5637... 3 53 20 S.; 126 4S OOE. 



D5668... 2 28 15 S.; 118 49 00 E. 



Depth 



in 

 fath- 

 oms. 



500 

 560 

 750 



700 

 901 



Bot- 

 tom 

 tem- 



?era- 

 ure. 



Character of 

 bottom. 



gn. m. 



gy-m. 



gy. ih- 

 gy-m. 



Abimdan.^e. 



Rare. 

 Rare. 

 Few. 



Few. 



Few. 

 Few. 



THURAMMINA PAPILLATA H. B. Brady, var. CASTANEA Heron- Allen and Earland. 



Thurammina papillata H. B. Brady, var. castanea Heron-Allen and Earland, 

 Journ. Roy. Micr. Soc, 1917, p. 545, pi. 26, figs. 14-18; pi. 29, fig. 17. 



There is a single specimen from D5236, Pacific Ocean, east coast 

 of Mindano, in 494 fathoms (903 meters) which has a reddish-brown 

 color and numerous blunt papillae, with n very fine opening at the 

 end of each. 



This is evidently the variety which Heron- Allen and Earland de- 

 scribe and figure in the above reference. No other specimens refer- 



