288 



CHEIRURUS SOL. (N. sp.) 



Fig. 276. 

 Fig. 276. Cheirurus Sol. The glabella. 



Description. Glabella small, sub-circular ; length three-fourths of the 

 width, moderately convex ; front and sides rounded ; neck furrow extend- 

 ing all across ; posterior pair of glabellar furrows situated just behind the 

 mid-length ; second pair half-way between the posterior pair and the front ; 

 anterior pair cutting the front margin, and having about one-third of the 

 whole width of the glabella between them at the margin, extending obliquely 

 backwards and inwards at an angle of about 45 with the median line. 

 All of the furrows extend inwards a little more than one-third the whole 

 width of the glabella. The space along the median line which is not 

 crossed by the glabellar furrows is more convex than the remainder of the 

 glabella. Surface finely tubercular. Length of glabella 2 lines ; width 

 2 lines. 



Locality and Formation. N, Table Head, and P, four miles N. E. 

 from Portland Creek, Newfoundland ; Quebec group. 



Collector. J. Richardson. 



AMPHION BAERANDEI. (N. sp.) 

 b 



Fig. 2T7. 



Fig. 278. 



Fig. 277. Jlmphion Barrandei. a, an imperfect head ; b, the pygidium. 

 278. Ji. Canadensis. Figured here for comparison. 



Description. Head moderately convex ; glabella quadrate, a little 

 narrower behind than at the front; sides straight separated from the 

 cheeks by the narrow well-defined dorsal furrows, neck segment with a 

 tubercle in the middle ; neck furrow extending all across ; two glabellar 



