FORAMINIFERA OF THE PHILIPPINE AND ADJACENT SEAS. 157 



The specimens are quadrilateral, with an aperture like that figured 

 by Brady. 



Brady describes this as a variety of angulmis from a single local- 

 ity, Nares Harbor, Admiralty Island, in 17 fathoms (30 meters), in 

 this same f aunal region. The occurrence of this same form at Guam 

 would indicate that this is something more than a casual variation, 

 and it is here raised to specific rank. 



Heron-Allen and Earland record this from a single station in the 

 Kerimba xirchipelago, off the southeastern coast of Africa, in water 

 of 4 fathoms (7 meters) or less on inshore reefs. 



This is a peculiar distribution at these widely isolated points, and 



it will be interesting to see how they are later filled in by future 



work. 



Clavulina difformis — Material examined. 



CLAVULINA ROTUNDATA Cuahman. 



Plate 30, figs. 8a, b. 



Clavulina roiundata Cushman, Proc. U. S. Nat. Mus., vol. 44, 1913, p. 635, pi. 79, 

 fig. 3. 



Descnption. — Test of comparatively few chambers, tapering 

 apertural end broadly rounded, early portion triserial and conical, 

 followed by two or three chambers biserially arranged, and the last- 

 formed chambers uniserial; wall thick, com-.posed of fine sand grains 

 with a dark reddish-brown cement; smooth; aperture terminal, 

 large and rounded, depressed, without a neck; color reddish-brown. 



Length 2.5-3 mm. 



Ty^ye specimen. — Cat. No. 8506, U.S.N.M, from Albatross station 

 D5512, off northern Mindanao, 445 fathoms (814 meters). 



It is not uncommon at this and other stations. 



This species is much shorter than most other species of the genus, 

 broadly rounded at the apertural end, the v»'all thick and resembling 

 that found in Hormosina and some species of Trochammina, Am- 

 modiscus, etc. The aperture, instead of having a neck, shows rather 

 the lack of it, the actual opening into the last-formed chamber being 

 in a slight depression. 



It has also occurred at Albatross station D5388, between Burias 

 and Luzon, 226 fathoms (414 meters), bottom temperature 51.4° F. 

 (10.7° C); and D5259, off northwestern Panay, 312 fathoms (571 

 meters), bottom temperature 49.3° F. (9.6° C). 



