202 



BULLETIN 100, UNITED STATES NATIONAL MUSEUM. 



Distribution. — Type specimens (U.S.N.M. No. 9112) irom Albatross 

 station D5152, in 34 fathoms (62 meters), Tawi Tawi group, Sulu 

 Archipelago. It has also occurred at D5217, in 105 fathoms (193 me- 

 ters), between Burias and Luzon, bottom temperature G3.1° F. 

 (17.2° C); and D5133, in 38 fathoms (70 meters), Sulu Sea, off west- 

 em Mindanao. 



In the variety the reduction in number of the costae of the body 

 portion of the chamber is accompanied by an increase in the number 

 of the costae of the apertural neck and by the difference in shape of 

 the neck as well. 



Nodosaria subscalaris, var. pauci-costata — Material examined. 



NODOSARIA MILLETTn Cushman. 



Plate 36, fig. 5. 



Nodosaria millettii Cushman, Proc. U. S. Nat. Mus., vol. 51, 1917, p. 654. 

 Nodosaria scalaris, var. separans Millett, Journ. Roy. Micr. Soc, 1902, p. 520, 

 pi. 11, figs. 11, 12 (not var. separans H. B. Brady). 



Description. — Test elongate, nodose, consisting of few chambers, 

 the early ones close-set, the latter ones remote, chambers pyriform 

 or elongate-elliptical in side view, very finely costate, the basal por- 

 tion sometunes slightly hispid, apertural necks very long and slender, 

 aperture with a phialine lip. 



Length up to 3 mm. 



Distribution. — Type specimen (U.S.N.M. No. 9113) from Albatross 

 station D5281, in 201 fathoms (368 meters), China Sea, off southern 

 Luzon, bottom temperature 50.4° F. (10.2° C). 



This species found by Millett in this same general region, but far- 

 ther south, seems to differ materially from N. scalaris, var. separans. 

 The appearance of the test is at once different, more graceful, more 

 transparent, and very much more delicate and finer in its surface 

 markings. The form of the chamber is also much longer and more 

 elliptical, the neck more slender, and the chambers more remote, 

 while the end of the chamber, instead of having radiating slits as in 

 var. separans and scalaris, has a definite, entire, phialine lip. 



