218 



BULLETIN 100, UNITED STATES NATIONAL MUSEUM. 



Distribution. — The following localities are represented: East coast 

 of Mindoro; China Sea off Formosa; Ragay Gulf, Luzon; and 

 between Cebu and Leyte. It was not noted in the region to the 

 southward. D'Orbigny's specimens were from the Miocene of Baden. 



Frondicularia annularis — Material examined. 



FRONDICULARIA ANNULARIS d'Orbigny, var. LONGISTRIATA, new variety. 



Plate 39, fig. C. 



Description. — Variety differing from the typical in the form^ 

 which is much more elongate, narrower, the initial end pointed, and 

 all or nearly all of the surface covered with the fine longitudinal 

 costae. 



Distribution.— Type specimen (U.S.N.M., No. 15326) from D5110, 

 China Sea off southern Luzon, in 135 fathoms (247 meters), bottom 

 temperature 59.0° F. (15° C). It also occurred at D5201, Sogod 

 Bay, southern Leyte Island, in 554 fathoms (1,012 meters), bottom 

 temperature 52.8° F. (11.5° C). 



Chapman ^^ records a species of Frondicularia from off Great Barrier 

 Island, Australia, as F. reussi Karrer, with the following notes: 



Three examples of an ovate, striated Frondicularia were found off Great Barrier 

 Island. They are almost exactly matched by Karrer's figured specimen from the 

 Miocene of the Vienna basin. The narrowest of our specimens may also be compared 

 with Karrer's F. sculpta, figured on the same plate as the above. These shells are 

 obviously of the same type as the earlier-described F. annularis of d'Orbigny from the 

 Miocene of Baden; this, however, is a generally broader form. 



This appears to be the first occurrence of F. reussi in recent deposits. 



Specimens, both of this form and the more typical form of F. 

 annularis, were found in the Philippine material, but aU are here re- 

 ferred to F. annularis, var. longistriata. It may be that Chapman's 

 material is distinct from the Philippine material, but they appear to 

 be very similar. 



" Trans. New Zealand Inst., vol. 38, 1905, p. 95, pi. 3, fig. 7. 



