91 



Proceedings of the Rojjal Irish Academy. 



II.— DiAGKAM OF VeKTICAL DiSTKlBUTlON. 



Coelorhi/uchus 

 lahiattis. 



Coryph aenoides 

 7- u pes iris. 



LiOHurus 

 acqualis. 



Trachyrhynchus, 



Spp. 



Coelorhynch us 



coelorktjnchus,- 



ySahicocfphalus 



hivis, 



^^E 



Fig. 1. 



