281 



lines ; "widtli of glabella 4 lines ; distance of the centre of the eye from the 

 dorsal furrow 2 hnes ; length of the eyes 14 lines ; distance of its posterior 

 angle from the margin 1 line ; distance from the eye to the cheek-angle 4 

 lines. 



These proportions vary somewhat in different individuals. 



Thorax and pygidium unknown. 



This species is alUed to both I. latus (McCoy), and I. Bayfieldi. From 

 the former it differs in having the eye more remote from the cheek -angle. 



From the latter in having the eye one half the size, and more distant 

 from the posterior margin. 



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

 group. 



Collector. — J. Richardson. 



Genus Endymionia. (Billings.) 



Endymion. (Billings), ante p. 93. 



Remarks. — Since the publication of this genus, I have learned that the 

 name Endymion is in use for a genus of plants. I therefore propose to 

 change it to Endymionia. 



Endymionia mbbki. (Billings.) 



MemarJcs. — This specea occurs abundantly in division N, at Table Head, 

 and the west side of Pistolet Bay ; also in P, four miles N. E. from 

 Portland creek. 



HoLOMBTOPUS Angblini. (Billings.) 



Remarks. — This species occurs with E. MeeM at all the localities of 

 that species above mentioned and also at Cow Head. 



Harpides Atlanticus. (N. sp.) 



Fig. 268. 



pig. 267. Harpides Atlanticus. Part of the glabella and margin. 



Fig. 268. H. concentricus. A fragment of the margin, enlarged two diameters. 



Remarks. — Of this species only the fragment, above figured, has been 



