ART. 13 BRYOZOAN FAUNA — CANU AND BASSLER 11 



Occurrence. — Galapagos Islands, D. 2815. 

 CofAjpes.- Cat No. 8476, U.S.N.M. 



Division Coilostega Levinsen, 1909 

 Family OPESIULIDAE Jullien, 1888 



Genus MICROPORA Gray, 1848 



MICROPORA CORIACEA Esper, 1794 



1920. Mieropora cohacea Canu and Bassler, Monograph Early Tertiary 



Bryozoa of North America, Bulletin 106 U. S. National Museum, 

 p. 235, pi. 4, figs. 20-22. (Bibliography, geographic and geologic dis- 

 tributions). 



1921. Mieropora coriacca Marcus, Bryozoen von den Juan-Fernandez Inseln 



in Skollsberg, The Natural History of Juan Fernandez and Easter 



Isles, vol. 3, p. 101, fig. 4. 

 1923. Mieropora coriacea Canu and Bassler, North American Later Tertiary 



and Quaternary Bryozoa, Bulletin 125, U. S. National Museum, p. 58. 

 1928. Mieropora eoriacea Canu and Bassler, Fossil and Recent Bryozoa of 



the Gulf of Mexico Region, Proc. U. S. National Museum, vol. 72, 



p. 62, text, fig. 8c. 



Measurements. — 



fAa = O.OGmm. „ . f Zs = 0. 46-0. 50 mm. 

 ^ [Z(2= 0.10 mm. |Z3 = 0. 24-0. 30 mm. 



A single dead specimen has been found; it has some transverse 

 cells. This is the single species of the f aima from Juan Fernandez 

 Island which has been drifted by the southern current as far as the 

 Galapagos Islands. The Alhatrass also dredged it in the Hawaiian 

 Islands. 



Occurre7ice. — Galapagos Islands, D. 2813. 



Cat, No. 8477, U.S.N.M. 



Family CALPENSIIDAE Canu and Bassler, 1923 

 Genus CUPULARIA Lamoiiroux, 1821 



CUPULARIA UMBELLATA Defrance, 1823 



1923. Cupularia umbeUata Canu and Bassler, North American Later Tertiary 

 and Quaternary Bryozoa, Bulletin 125, U. S. National Museum, p. 80, 

 pi. 2, figs. 15-19. (Bibliography, geologic distribution.) 



1928. Cupularia umbellata Canu and Bassler, Fossil and Recent Bryozoa of 



the Gulf of Mexico Region, Proc. U. S. National Museum, Art. 2710, p. 

 64, pi. 1, figs. 1-3. 



1929. Cupularia umbellata Canu and Bassler, Bryozoa of the Philippine Region, 



Bull. 100 ; vol. !>, U. S. National Museum, p. 142, pi. 15, figs. 5-11. 



Variations. — The specimens collected are numerous and more vig- 

 orous than the specimens from Hawaii dredged at 4,411 meters depth. 



