SOME NEW DEVONIC FOSSILS 



173 



a strongly elevated axis and the median spines are higher and more 

 recurved than those of the thorax. The pleurae are depressed 

 convex and about the margin concave without a marginal rim. 

 The pleural ribs are distinctly duplicate and equally so near the 

 margin. All the pygidial ribs carry fine tubercles. The length 

 of an entire specimen is 11 mm, width 9 mm. 



Lozver Devonic. Lehuquet's Cove, The Forillon, P. Q. 



ANNELIDS 



Tentaculites leclercqia nov. 



Shells having very much the configuration of T. g y r a c a n - 

 thus Eaton,^ occurring, like that, in aggregations in the limestone, 

 but uniformly of very much greater size. The slender cones, 

 attaining a length of 10-15 mm, are strongly annulated but the 





'''5i'>, 



Tentaculites leclercqia. 

 The slab X2: the individual xs 



annuli are often highly irregular in size and have an abrupt or con- 

 cave slope on the lower side and a convex slope above. They are 

 themselves covered with fine concentric elevated lines. The annuli 

 appear to extend to the tip of the shell. 

 Lower Devonic. Perce rock, P. Q. 



'See Hall. Pal.ofN.Y. 1859. 3 :i37, pi. 6, fig. 22, 2,3 (T. irregularis); and «i«m. iS 

 V. 7, suppl. pi. 104, fig. 7-13. 



