283 



the spines above mentioned. The eyes are very prominent, globular, 

 about one-third the length of the head, situated close to the side of the 

 outer of the longitudinal lobes, and scarcely their own length from the pos- 

 terior margin. There is a narrow rim all round the sides and front of the 

 head. 



Length of largest specimen seen 4 lines ; width between the eyes 4 

 lines ; height 3 lines. 



Surface with small tubercles. 



Locality and Formation. P, Cow Head, Newfoundland ; Quebec 

 group. 



Collector. J. Richardson. 



SHUMARDIA GLACIALIS. (N. sp.) 



Fig. 270. 



Description. Head convex, semicircular, the posterior angles produced 

 backwards into spines, the length of which is unknown. Glabella clavate, 

 strongly convex, sub-carinate along the median line, broadly rounded in 

 front ; sides straight and converging backwards ; width at neck segment a 

 little more than half the width at the front ; length about two-thirds the 

 whole length of the head ; neck furrow extending all across and appa- 

 rently continued on the cheek to the angles ; three small indentations on 

 each side representing the glabellar furrows. The dorsal furrows are 

 deep and wide as far as the anterior angles, but are only slightly impressed 

 round the front of the glabella. Cheeks and space in front of the glabella 

 rather strongly convex. From each of the anterior angles of the glabella 

 a short curved line or fold runs outwards half the width of the cheeks. 

 No eyes. Surface covered with fine fissure-like striae. 



Width of largest specimen seen 6 lines ; length 3 lines ; width of gla- 

 bella at front 1 lines, length 2 lines. 



Locality and Formation. P. Portland Creek and Pistolet Bay, New- 

 foundland ; Quebec group. 



Collector. J. Richardson. 



