JURASSIC FOSSILS FROM EIKUZEN. 7 



Although our specimeu lacks the outer portion of the whorl 

 near tlie mouth, yet the characters given ahove agree so well 

 with those of Lytoceras liîieatum that it must be at least closely 

 allied to, if not quite identical with, this European species. 



Lytoceras lineatum Schloth. occurs in the ]Middle Lias of 

 England and Germany. 



Our figure was drawn from a pi aster- cast. 



B. Fossils from Bed V. 



1. AMMONITES s p. 



PI. IL Fig. 11. 



This is an external impression of a flat discoidal shell, about 

 4Ö mm, in diameter with a wide umbilicus of about 20 mm, and 

 furnished with coarse, forwardly bent ribs about 33 in number 

 in the last whorl. It closely resembles some of the forms of 

 Arietinse. 



Locality : — Hosoura. The figure was drawn from a plaster- 

 cast. 



2. AMMONITES sp. 



PL II. Fig. 10. 



Another impression of a discoidal, widely umbilicated shell, 

 about 35 mm. in diameter, which may be more or less closely 

 allied to the preceding form, but its ribs (36 in number) are 

 finer, more rigid and sharper. 



The figure was drawn from a plaster-cast. 



Locality : — Hosoura. 



