212 BULLETIN 100, UNITED STATES NATIONAL MUSEUM 



CANDA RETIFORMIS Pourtales, 1867 



Plate 9, figs. 11, 12 



1913. Cauda retiformis Waters, The marine fauna of British East Africa and 



Zanzibar, Bryozoa, Proceedings of the Zoological Society, pi. 479, pi. 69, 



figs. 1, 2, 6. (Bibliography.) 

 1928. Scrupocellaria retiformis Canu and Bassler, Fossil and Recent Bryozoa 



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



art. 14, p. 43. 



Fig. 75. — Genus Cauda Busk, 1852 



A-C. Cauda retiformis Pourtales, 1867. A. Frontal surface of a zoarium, 

 X25. B. Dorsal surface, X25. C. Dorsal surface to show the articulation, 

 X6. (A-C, after Waters, 1913.) 



D-I. Cauda arachnoides Lamouroux, 1816. D. Anterior face showing chitin- 

 ous tubes at the articulation, X25. (After Waters, 1887.) E. The ovicells are 

 inclosed in avicularia, X40. (After Levinsen, 1909.) F. Zoarium, natural size. 

 G, H. Frontal and dorsal surfaces, enlarged. I. Lateral view. (F. I., after 

 Busk, 1852.) 



Waters, 1913, made an excellent study of this equatorial species. 

 We have found only a single dead segment. It resembles very 

 much the specimens from the Gulf of Mexico. 



Occurrence. — D. 5147. Sulade Island, Sulu Archipelago ; 5° 41' 

 40" N.; 120° 47' 10" E.; 21 fathoms; co. S. Sh. 



Plesioty pes. —Cat, No. 7S95, U.S.N. M. 



