130 ORTHRAGORISCUS. 



his animal joins characteristics of the two groups menti- 

 oned in: »Notes f. t, L. Museum, Vol. XIV, p. 128" and 

 ^Tijdschrift der Ned. Dierk. Ver., 2^ Reeks, Vol. Ill, p. 190" 

 in having a distinct folded band , folds in the skin of the 

 body and a hump above the mouth. The two above menti- 

 oned young animals show no folds on the body. 



Concerning the teeth of our young animal, I found that 

 the maxilla superior is splitted up in the middle , the inferior 

 is not cleft. 



A skeleton (103 c.M.) in the collections of the Leyden 

 Museum , preserved in spirits , has the following number 

 of fin rays: 



D. 19, C. 12, A. 18, P. 12. 



Leyden Museum, March 1894. 



Notes from the Leyden Museum, Vol. XVI. 



