38 G 



Canadian Arctic Expedition, 1913-1918 

 Cornulariella modesta Verrill. 



Cornulariella modesta VERRILL, Amer. Journ. Sci., Ser. 3, Vol. VII, p. 40, pi. 8, 

 figs. 1, 2, 1874; Proc. Amer. Assoc. Adv. Sci., Vol. for 1873, p. 390, pi. 6, 

 figs. 1, 2, 1875. J. F. WHITEAVES, Amer. Journ. Sci. Vol. VII, p. 2; Catal. 

 Mar. Invert. E. Canada, p. 30, 1901. VERRILL, Ann. Rep. U.S. Comm. 

 Fish and Fisheries for 1883, p. 533, 1885. 



Plate VI; Figs. 5, 6. Text Figs. 8, 9. 



This is a small inconspicuous species, usually found growing on stones and 

 dead shells; height 6 to 18 mm.; diameter of calicles, 3 mm. 



Fig. 8. Cornulariella modesta Verrill. Type. Enlarged about four times. 



Fig. 9. Cornulariella modesta Verrill. Type. Some of the spicules of the basal stolon and calicles. X 116 



The cylindric calicles arise either from narrow creeping stolons or from thin 

 membranous expansions, which are filled with slender fusiform spicules. The polyps 

 are elongated, in contraction the soft upper portion can be entirely retracted 



