36 BULLETIN 100, UNITED STATES NATIONAL MUSEUM. 



Astrorhiza granulosa — Material examined. 



ASTROKHIZA AGGLUTINATA, new species. 



Description. — Test irregular in form, flattened, wall composed of 

 agglutinated fragments of other foraminifera, at the type station 

 mainly Globigerinidae; aperture near the border of the test. 



Diameter up to 5 mm. 



Type specimen. — (Cat. No. 13236, U.S.N.M.) from Albatross sta- 

 tion D5630, south of Patiente Strait, in 569 fathoms (1,081 meters), 

 where it is fairly common. 



In its irregular form the species reminds one of A. arenarla. 



Astrorhiza agglutinata — Material examined. 



Genus RHABDAMMINA W. B. Carpenter, 1869. 



RHABDAMMINA ABYSSOEUM W. B. Carpenter. 



Plate 1, fig. 2. 

 Rhabdammma abyssorum M. Sars, Forh. Vid. Selsk. Christiana, 1868, p. 



248 



(nomen nudum). — W. B. Carpenter, Ann. Mag. Nat. Hist., ser. 4, vol. 4, 1869, 

 p. 288.— H. B. Brady, Rep. Voy. Challenger, Zoology, vol. 9, 1884, p. 266, pi. 

 21, figs. 1-13.— CusHMAN, Bull. 71, U. S. Nat. Mus., pt. 1, 1910, p. 24, figs. 8-10, 

 (in text); Bull. 104, U. S. Nat. Mus., pt. 1, 1918, p. 15, pi. G, fig. 1; pi. 7, fig. 1. 



Tliis species has occurred at more than 25 stations. The depths 

 at these stations range from 124 to 940 fathoms (44 to 1,719 meters). 

 There are two forms of this species met with in the dredgings — one 

 with very coarse walls usually found in more shallow water and the 

 other with fine material from deeper v/ater. This division according 

 to depth does not always hold true, however, as those with finely 

 granular material are sometimes found in comparatively shallow 

 water. 



The distribution includes the following regions: East and south- 

 east coasts of Mindanao; south and west coasts of Luzon; Palawan 

 Passage; Jolo Sea, north of Tawi Tawi; between Negros and Siquijor; 



