405 



Pl. XI. Fig. 12. Molorchus affinis. 



13. Anthribus moestus. 



14. Lycoperclina ferruginea. 



15. Coccinella inarginipennis> 



16. Galeruca janthina. 

 17 Colaspis infuscata. 



18. Chrysomela scalaris. 



19. Altica oblonga. 



20. Cryptocephalus subfaciatus, 

 Pl. XII. Trilobites " 



Fig. 1. Isotelus gigas. 



2. Under side of do. 



3. Under side of Limulus. 

 Pl. XIII. Fig. 1. Isotelus gigas extended. 



2. I. planus. 

 Pl. XIV. Fossil crustarea from Npw-.Tersey. 

 Pl. XV. Map of the environs of Montreal. 



1. Trilobite. 



Pl. XVI. Menobranchus lateralis. 

 Pl. XVII. Abranehus Alleghaniensis. 

 Pl. XVIII. Details of organization of A. Alleghaniensis. 

 . 1. Os hyoides and spiracular cartilages. 



2. Vertebrae. 



3 — 4. Upper and side views of the head. 

 5. Hind foot. 

 Pl. XIX. Profile view of the Chlamyphorus of the 



size of nature 

 Pl. XX. Fig. 1. View of the back of the head. 



2. Posterior truncated portion. 



3. Anterior view of the inferior portion 



of the body. 



4. Anterior and posterior view of the 



fore foot. 



5. Anterior and posterior view of the 



hinder foot. 



