182 EOYAL SOCIETY OF CANADA 



MONAXONIDA. 



Halichondria TANicKA. Joluiston. 



Halichondria panicea, Johnston. 1842. British Sponges, p. 114, pi. x. and pi. xi. 

 fig. 5. 

 " " Bowerbank. 1866. Mon. Brit. Spong., vol. ii., p. 229; vol. 



iii., p. 97, pi. xxxix. and p. 99, pi. xl. 

 " " Whiteaves. 1874. Report on deep-sea dredging operations 



in the Gulf of St. Lawrence, p. 9. 

 " " Verrill. 1874. Am. Jour. Sci. and Arts, vol. vii., p. 505. 



Aniorphina panicea, Fristedt. 1887. Sponges from the Atlantic and Arctic 

 Oceans and the Behring Sea (translation), Vega-expe- 

 ditionens vetenskanliga arbeten, p. 421. 



Many specimens of this sponge have been collected at various locali- 

 ties in the (iulf of St. Lawrence ; in (Uttward form, they agree well with 

 the specimens figiired by Johnston and P>o\verbank. 



The maximum length of the spicules varies, in different individuals, 

 from 0369 to 0-452 mm. ; the greatest thickness is 0013 mm. 



Localities. — Gaspé coast. Eivière du Loup, Murray Bay, thirty-four 

 specimens, dry. Sir William Dawson ; between Pictou Island and Cape 

 Bear, in from 40 to 48 fathoms, thirteen specimens, in alcohol, J. F. 

 Whiteaves ; Prince Edward Island, one specimen, dry. Prof. John 

 Macoun ; Lidian Cove, betw^een Grand Grève and Ship Head, W. B. 

 Lambe, 1893. 



Distribution. — Eiver and Gulf of St. Lawrence ; coast of ISTew 

 England (Verrill) ; Vancouver Island (G. M. Dawson, Eev. Geo. W. 

 Taylor) ; Queen Charlotte Islands and Behring Sea (G. M. Dawson). 



Foreign distribution. — Coast of Great Britain (.Johnston, Bower- 

 bank) ; Basse Rocks, off' south-east coast of (Jeylon (Carter) ; Kerguelen 

 Island (Carter. Challenger); Torres Strait (liidley "Alert") ; Japan 

 (Challenger) ; coast of Norway, Nova Zembla, Greenland (Fristedt). 



EuMASTiA siTiENs, O. Schmidt. 



(Plate I., fig. 1 .) 



Eumastia ,'dtiens, O. Schmidt. 1870. Grundz. einer Spong. — Fauna des Atl. Geb, 

 p. 42, pi. 5, fig. 12. 

 " Fristedt. 1887. Sponges from the Atlantic and Arctic Oceans 

 and the Behring Sea (translation), Vega-expeditionens 

 vetenskapliga arbeten, p. 426, pi. 24, fig. 13 and pi. 27, fig. 11. 



The original type of this species is from Greenland, as are also 

 several specimens that Fristedt mentions in his work (vide supra). In 

 Canada the species occurs abundantl}' in all parts of the Gulf of St. 

 Lawrence. 



