6 ALLAN HANCOCK ATLANTIC EXPEDITION REPORT 



described this variety from Florida and north of Cuba, but it has not 

 been recorded since from the West Indian region. 



Distribution. — Stations A13-39, At505, At526, and At528. These 

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

 tuga Islands ; and the Gulf of Venezuela at 22 to 41 fms. 



Family LichenopoHdae Smitt 1866 

 Genus LIGHENOPORA Defrance 1823 



Lichenopora radiata (Audouin), 1826 



Canu and Bassler 1928: 163. Osburn 1940: 334. 



Very widely distributed. Canu and Bassler reported it from north 

 of Cuba and Osburn from south of Porto Rico. It is easily recognized by 

 the radiating single series of connate zooecia. 



Distribution. — Stations A18-39, At502, and At505. These stations 

 place the locations at San Nicolaas Bay, Aruba Island and Cape la Vela, 

 Colombia at 5 to 24 fms. 



Ctenostomata Busk 1853 



Family Alcyonidiidae Johnston 1849 



Genus ALCYONIDIUM Lamouroux 1813 



Alcyonidium polyoum (Hassall), 1841 



There is no previous record of this species from the Caribbean Sea or 



adjacent waters. It is common all along the North American coast to 



Florida, Marcus (1937: 125) lists it from Brazil and the writer has a 



recent specimen from the coast of Texas, Gulf of Mexico. 



Distribution. — Station A 14-39, 2 miles SW of Cape la Vela, 

 Colombia at 32 fms. 



Family Victorellidae Hincks 1880 



Genus SUNDANELLA F. Braem 1939 



Sundanella sibogae (Harmer), 1915 



Harmer 1915:45 (Victorella). Marcus 1937: 129 (Victorella). Osburn 



1940:336 (Victorella). 



The zoarium is erect and irregularly branched, 50 to 75 mm in height 

 and the zooecia are among the largest known among the Bryozoa (as 

 much as 5 mm long). The zoarium consists of the elongated bases of the 

 zooecia, from which arise at an angle the erect portions of the zooecia. 



