134 



Description of Plate XI. 



Kjerulßa lata nov. gen. & sp. Page 73. 



Fig. 1. (Nat. size). Cranidium, incomplete on the right side, and greatly com- 

 pressed in front. The posterior portion of the glabella and 

 the left side are well preserved. The eye are compara- 

 tively small with a great distance from the posterior margin. 

 The original of fig. 1, p. 83, in Th. Kjerulf, Sparagmit- 

 fjeldet II, in which the cranidium of the form was depicted 

 for the first time. Holmia shales, Tomten. Krist. Univ. Pal. 

 Mus. Cat. A. K. No. 2. 



Fig. 2. (Nat. size). Hypostome, hypostome attachment and doublure exposed 

 by preparation. Posterior wings of hypostome imperfectly 

 preserved. We see behind, well preserved, the commence- 

 ment of the genal spines and the intergenal angle. Holmia 

 shales, Tomten. Krist. Univ. Pal. Mus. Cat. No. 13. XXVII. 

 342. 



Fig. 3. (Nat. size). Pygidium and posterior 13 segments. At the back the 

 segments are partly pushed together, and the spines 

 broken off. Holmia shales, Tomten. Krist. Univ. Pal. Mus. 

 Cat. No. 13. XXVII. 1013. 



