i8o CRETACEOUS AND TERTIARY FISH. 



others from Vincentown [Manasquan marl, K.] in Burlington 

 County (T. M. Bryan). 



Istiophorus parvulus (Marsh). 



Histiophorus parvulus Marsh, Proc. Amer. Assoc. Adv. Sci., 1869, p. 227 

 Eocene Greensand, Squankum Marl Company, in Monmouth Co. 



Rostrum slender, very pointed, compressed transversely, and 

 lower surface nearly flat. Brush-like teeth on this portion re- 

 duced to two narrow bands. Remaining surface irregularly 

 striated. Length about j6 mm. (From Marsh.) 



Formation and locality. This small species was originally 

 based on the above-described type from the Eocene greensand 

 from the pits of the Squankum Marl Company in Monmouth 

 County (O. B. Kinne), and presented to the Yale Museum. 

 [According to Cook only the Cretaceous marl (the Manasquan) 

 was dug at this company's pits, K.] Not seen by me. 



Genus EMBALORHYNCHUS Marsh. 



Embalorhynchus Marsh, Proc. Amer. Assoc. Adv. Sci., 1869, p. 228. Type 

 Embalorhynchus kinnei Marsh, monotype. 



According to Marsh this was a small species of sword fish 

 allied with Cylindr acanthus of the Eocene. The beak resembles 

 in general form that of Cylindr acanthus, but is much smaller, 

 tapers more rapidly and has its lower surface flattened and 

 marked by two shallow grooves. Like the rostrum of Cylindra- 

 canthus it has a double cavity at the base and single median one. 



One fossil species described. 



Embalorhynchus kinnei Marsh. 



Embalorhynchus kinnei Marsh, Proc. Amer. Ass. Adv. Sci., 1869, p. 228. 

 Eocene Greensand, Squankum Marl Company, Monmouth Co. 



Rostrum small, short, tapering rapidly, inferior surface flat- 

 tened and marked by two shallow grooves. Base of rostrum with 

 double cavity and single one through median portion of shaft. 



