FORAMINIFERA OF THE ATLANTIC OCEAN, 

 Clavulina Jlintiana — material examined. 



87 



CLAVULINA OCCIDENTALIS. new species. 



Plate 17, figs. 1, 2. 



Description. — Test elongate, slender, subcylindrical, circular in 

 transverse section, triserial portion broader than the subsequent por- 

 tion of the test; chambers numerous, fairly distinct; sutures indis- 

 tinct, slightly depressed; wall finely arenaceous, somewhat rough- 

 ened; aperture terminal, with a slight neck; color light gray. 



Length up to 3 mm. 



Distribution. — Type-specimen (U.S.N.M. No. 16739) from Albatross 

 station D2383 in the Gulf of Mexico, in 1,181 fathoms (2,160 meters). 

 It has occurred at several other stations in the Gulf of Mexico and 

 Caribbean as well as at a number of stations on the eastern coast of 

 the United States south of 49° N. latitude. This has, I am sure, 

 been confused with Reophax bacillaris H. B. Brady. I took it to be 

 a megalospheric form of that species and mentioned^' that it had the 

 appearance of a Clavulina. It is found alone in the Gulf of Mexico 

 and Caribbean, showing apparently that the two are distinct. 



This species is much smaller than C. communis, has a rougher 

 exterior and much smaller triserial portion. The two when seen 

 together are very distinct. 



M Bull. 104, U. S. Nat. Mus., pt. 3, 1920, p. 20. 



