66 



BULLETIN 104, UNITED STATES NATIONAL MUSEUM. 



NODOSARIA SUBANNULATA, new species. 



Plate 12, fig. 9. 



Nodosaria rotmulata Flint (not Reuss), Rep. U. S. Nat. Mus., 1897 (1899), 

 p. 308, pi. 54, fig. 6. 



Description. — Test composed of a few subglobular chambers some- 

 what overlapping, axis straight, initial end broadly rounded, sides 

 somewhat lobulate ; sutures distinct, slightly depressed ; wall smooth, 

 either glossy or dull ; aperture terminal, central, radiate. Very 

 slightly raised above the broadly rounded surface of the test. 



Length up to 3 mm. 



Distrihution.— Type-specimen (U.S.N.M. Cat. No. 1T819) from 

 Albatross station D2682, in 990 fathoms (1.811 meters), off the 

 northeastern coast of the United States. It has occurred at a num- 

 ber of stations in this vicinity. From a study of the specimens from 

 Alhatross station D2112, it seems probable that some at least of 

 Flint's specimens of Nodosaria rotundata are the young of this 

 species. Some of the specimens figured by Parker and Jones as 

 " Nodosaria Radicula Linn," ^2 from near the Arctic Circle at Nord- 

 land (Norway) in 160 fathoms (293 meters), are very close if not 

 identical with our species. 



It is fairly large and conspicuous, the last-formed chamber often 

 very broadly, almost truncately rounded at the apertural end, the 

 aperture itself hardly extending above the surface. Some of the 

 specimens are quite glossy, while others are dull and have a matt 

 surface. These may, with larger amounts of material, be found to 

 be distinct as other characters seem to go with the difference in 

 surface. 



Nodosaria subannulata — material examined. 



"Philos. Trans., vol. 155, 1865, pi. 13, figs. 2, 3, 6. 



