No. 2314. 



LIST OF RECENT BRACHIOPODA—DALL. 



273 



lower valve shallow with a central prominence carrying anteriorly 

 two irregular depressed scars, the posterior scars like those of the 

 upper valve. Mesial diameter of lower valve 14; transverse dia- 

 meter 19; vertical height of both valves about 5 mm. 



Type locality. — Between Masbate and Leyte Islands, Philippines, 

 in 114 fathoms, green mud, at Bureau of Fisheries station 5398. 



Cat. No. 274128, Types, seven loose but partly fresh valves prob- 

 ably in part detached from material brought up in the dredge and 

 then living. 



The upper surface of this species is unlike that of any of the pre- 

 viously described forms and in other respects it is very distinct from 

 the only other species found in this faunal area. It is much the 

 largest of the tropical species now known. 



CRANU PAXAGONICA Dall. 



Crania patagonica Dall, Proc. U. S. Nat. Mua., vol. 24, No. 1264, p. 562, Mar., 

 1902; vol. 26, No. 1342, p. 950, pi. 62, figs. 1, 3; 1903. 



Type locality. — West coast of Patagonia in 122 fathoms. 



The minute short spines with which the surface of the upper valve 

 is covered distinguish it at once from any other recent species which 

 has been reported up to the present time. 



CRANIA POURTALESn Dall, 



Crania anomala var. pourtalesii Dall, Bull. Mus. Comp. Zool., vol. 3, p. 35, pi. 1, 

 figs. 7a-b, 1871. 



Type locality. — Off the Samboes Reef, Florida Keys, in 116 fathoms. 



Genus CRANISCUS DaU. 



Craniseus Dall, Bull. Mus. Comp. Zool., vol. 3, No. 1, p. 27, May, 1871, type, 

 C. tripartita Munster. — Davidson, M^m. Soc. Linn, de Normandie, vol. 10, 

 pi. 13, fig. 21, 1856. 



144382— 20— Proc.N.M.vol.57 18 



