NO. 1 OSBURN : EASTERN PACIFIC BRYOZOA—CHEILOSTOMATA 17 



<^ Brettia pellucida Dyster, 1858 



Brettia pellucida, O'Donoghue, 1923:17. 



Zoarium erect. The zooecfa are transparent, chitinous, tubular, narrow 

 at the base and rather evenly enlarged toward the distal end which is 

 somewhat rounded. The opesia is parallel with the frontal surface, near 

 the distal end, and is surrounded by 6 or 8 short spines which' bend 

 somewhat over the aperture. Daughter zooecia arise singly or in pairs 

 from the distal end of the dorsal side. 



O'Donoghue has recorded this species from Northumberland Chan- 

 nel and Departure Bay, British Columbia. Otherwise it is known from 

 England. It did not appear in the Hancock collections. 



Brettia tubaeformis Hincks, 1880 

 Brettia tubaeformis, O'Donoghue, 1923:17 and 1926:42. 



The zoarium is erect, attached by radicles. Zooecia transparent, 

 tubular, somewhat trumpet-shaped with a rounded opesia set at an angle 

 to the axis of the zooecium. The aperture is surrounded by 8 or 10 short 

 spinules which do not bend over the opesia. 



Hincks recorded the species from the British Isles. O'Donoghue lists 

 it from Cape Ebenshaw, Cape Lazo, and Ruxton Pass, British Columbia. 

 Not taken in the Hancock collections. 



^ Genus EUCRATEA Lamouroux, 1812 



Gemellarta, Savigny, 1826, of most authors. 



^ Harmer (1923:307 and 310) has straightened out the synonymy of 

 this genus and indicates that Gemellaria loricata (Sertularia loricata Lin- 

 naeus, 1758) is the genotype. 



There is a question whether this genus should be placed in the Scru- 

 pariidae, but its presence in any other known family would be even more 

 questionable. 



% Eucratea loricata (Linnaeus), 1758 

 Plate 1, figs. 6 and 7 



Sertularia loricata Linnaeus, 1758: 815. 

 Gemellaria loricata, Hincks, 1884:3. 

 Gemellaria loricata, Robertson, 1900:224. 

 Gemellaria loricata, O'Donoghue, 1923 :17. 



