236 ROBERTSON [3^8] 



Local distribution. — Juneau; Berg Inlet; Orca; Pribllof Islands; 

 Houston-Stewart Channel, Virago Sound, Queen Charlotte Islands. 



Foreign distribzition. — Finmark ; Spitzbergen ; Greenland ; Bank 

 of Newfoundland. 



Suborder CTCLOSTOMATA Busk. 



Family CRISIIDyE. 



CRISTA (part) Lamouroux. 



CRISIA CORNUTA Llnnseus. 



Crista cornuta (a : sine cornibus) Smitt ('65), pi. xvi, figs. 2, 3. 

 Crisia geniadata Harmer ('91), pi. xii, figs. 7, 8. 



Habitat. — Upon shells and other Bryozoa. 

 Local distribution. — Sitka ; Juneau ; Yakutat ; Orca. 

 Foreign distribution. — Britain ; Roscoff ; Mediterranean ; Bahu- 

 sia ; Noi-way. 



Family TUBULIPORID^. 



ENTALOPHORA Lamouroux. 



ENTALOPHORA CAPITATA sp. nov. 



(PI. XXI, figs. II, 12, 13.) 



Habitat. — Upon stems and roots of hydroids. 



Local distribution. — Sitka; Juneau, 10 fms. 



Zoarium consisting of a number of zoecia arising from a flattened 

 or incrusting base, many of them uniting to form one or more short 

 columns which terminate in a rounded head. Zcecia tubular, distal 

 ends free ; those forming the column opening upon all sides of it. 

 The surface of the head composed of the orifices pressed close to- 

 gether, or projecting slightly through the granular matrix, which is 

 perforated by rather large pores. 



This species was obtained in two slightly different forms whose 

 main features, however, are similar. Figs. 1 1 and 1 2 represent them 

 of natural size. The one in fig. 11 was dredged in 10 fms., and is a 

 deep purple color. The base is elliptical. The zoecia on the pe- 

 riphery are decumbent, while those in the center are almost upright, 

 their tubular orifices projecting somewhat beyond the granular matrix 

 in which they are imbedded. At each end of the long diameter of 

 the base a number of zcBcia have united to form a column. The 

 smaller of these is represented, somewhat enlarged, by fig. 13. Here 

 the column arises out of a forest of tubes so that its base is somewhat 



