174 



CATALOG OF FOSSIL FISHES IN THE MUSEUM 



E 2528 Small fish, showing lateral line, cleithrum and other details 

 Length 9 cm. 



Dipnoan Scale 



E 2545 A large punctate scale, 4.5 by 3.5 cm. (broken), perhaps « 

 belonging to a dipnoan. 



Catskill; Seeley Creek, branch of Lambs Creek, near 

 Mansfield, Tioga County, Pa. Collected by W. L. 

 Bryant, 1913. 



[The type of Dipterus sherwoodi was found in this 

 locality.] 



Fig. 58. Holoptychius quebecensis (Whiteaves) . Gular Region. X About | 

 CI, cleithrum; G, gular; L.G, series of lateral gulars; Md, mandible; S, scales. 

 E 2529. 



CROSSOPTERYGII 



Family HOLOPTYCHIID^ 



Holoptychius quebecensis (Whiteaves) 

 (Text-fig. 58) 



This species is still imperfectly known, owing to the fact that speci- 

 mens of it are usually much broken or fragmentary. In the Buffalo 

 Museum there are two specimens that show the throat region with the 



