275 



An obscurely preserved specimen, apparently of this species is three 

 inches in length and one and three-quarters in width. There appears 

 to be seven segments in the thorax. 



Another specimen, also badly preserved, is two and a quarter inches in 

 length, and one and five-eighths in width. It has seven segments in 

 the thorax. 



This species differs from i\r. armadillo (Dalman) which occurs in 

 Angelin's Regio C, in Sweden in having the eyes smaller, and seven 

 instead of eight articulations in the thorax. 



Locality and Formation. — N, Table Head, P, Portland Creek, New- 

 foundland ; Quebec group. 



Collector. — J. Richardson. 



NiLEUS AFFINIS. (N. Sp.) 

 Fig. 261, a. b. 



Bescription. — This species differs from N. scrutator in having the eyes 

 proportionally a little larger, the anterior angles nearer the front margin, 

 the cheeks outside of the eye narrower and the head not so wide. The 

 visual surface of the eye is also smooth, not minutely tuberculated as it is 

 in N. scrutator. 



Locality and Formation. — P, Cow Head, Newfoundland ; also on the 

 Island of Orleans ; Quebec group. 



Collectors. — Sir W. E. Logan (Island of Orleans), and J. Richardson 

 (Cow Head). 



