Fig. 1. 
222 
MR. G. KREFFT ON CERATODUS FORSTERI. 

[Apr. 28, 
Fig. 2. Lower jaw of ditto, from above. 
s. Symphysis. 
3. Left ramus of lower jaw, seen from the front. 
Fig. 1. Ceratodus forsteri, side view. 
a eee 
