132 



REV. T. HINCKS ON HYDROIDA 



lower lip slightly curved (uearly straight) ; within it an avicula- 

 rium with a hammer-shaped mandible. Occasionally an avicula- 

 rium at one side, which takes its origin some way down the cell 

 and slopes upward to the top of the orifice ; mandible elongate, 

 slightly expanded at the base, slender above it, and pointed at 

 the extremity, directed upwards. Oo3cium(?). 



"Zoarium incrusting, whitish, of very delicate material." 



Smittia, Hincks. 

 Smittia trisplnosa, Johnston, vars.* 



Family Celleporidjs. 

 Cellepora, Fabricius (part.). 

 Cellepora, ? n. sp. 



Identical with C. brunnea (provisional name) of my " Eeport 

 on the Polyzoa of Queen Charlotte Islands "f . 



Suborder C yclo stomat a. 

 Family Lichenoporidjb. 

 Lichenopora, Defiance. 

 Lichehopora Novjs-Zealandi^:, Bush. 



HYDROIDA. 



The following species of Hydroida occur amongst Dr. Ander- 

 son's dredgings : — 



S uborder Tkec apiio ra, ILincks. 

 Family Campanulariii>/i;. 

 Ojjelia, I'eron Sf Lesueur. 



Ojjklia A.ndersoni, n. sp. (Plate XII. figs. 2-4.) 



Stem straightish, slightly auguJatcd at the origin of the pedicels 



* A lin . &, Mag. Nat. Hiffc. Her. 5, vol. xiii. ]>. 361, pi. xiii. figs. 6 & 7 (1884). 

 t 'Geological ut.d Natural History Sumy of Canada,' Ottawa, 1884. 

 [Beprinted from the Ann. & Mag. Nat. Hint, for 188U und 1884.1 



