40 ALLAN HANCOCK ATLANTIC EXPEDITION REPORT 



Pleistocene of the Canal Zone, which differs only in the larger size of the 

 zooecia and the smoother frontal area. 



Distribution. — Station A52-39, Caledonia Bay, Panama and At529, 

 12° 09' 30" N, 70° 31' 00'' W at 5 to 39 fms. 



Family Cheiloporinidae Bassler 1936 



Genus HIPPALIOSINA Canu 1918 



Hippaliosina rostrigera (Smitt), 1873 



Smitt 1873:57 (Escharella rostrigera). Osburn 1914:211 (Lepralia); 

 1940: 448. Canu and Bassler 1928: 130. 



Apparently well distributed throughout the Gulf of Mexico and the 

 Caribbean Sea, but not known elsewhere. Smitt described it from Florida ; 

 Osburn listed it from the Tortugas Islands, Porto Rico and west of 

 Florida, and Canu and Bassler from north of Cuba, the Gulf of Mexico 

 and the Middle Miocene of Virginia. 



Distribution. — Stations A14-39, A42-39, and At526. These stations 

 place the locations at Cape la Vela, Colombia; Margarita Island and 

 Tortuga Island at 21 to 41 fms. 



Genus TREMOSGHIZODINA Duvergier 1921 

 Tremoschizodina lata (Smitt), 1873 



Smitt 1873: 36 (Gemellipora lata). Canu and Bassler 1928: 131. 



Smitt described the species from Florida at 68 fathoms. Canu and 

 Bassler recorded it from northwest of Havana, Cuba, 387 fathoms ; south 

 of Miami, Florida, 40 fathoms; Straits of Florida, 56 fathoms, and 

 Gulf of Mexico west of Florida, 30 fathoms. The bathymetrical range 

 is considerable. The geographical distribution is extended somewhat by 

 the present record. 



Distribution.— ?>tzx.\om A18-39, At503, At504, At505, and At526. 

 These stations place the locations at Cape la Vela, Colombia ; Aruba and 

 Tortuga Islands at 10 to 41 fms. 



Genus WATERSIPORA Neviani 1895 

 Watersipora cucullata (Busk) 



Osburn 1914:211 (Lepralia); 1940:449. 



This conspicuous purplish-black species is found around the world in 

 warmer waters. It is a shallow water species and seldom occurs below 



