1901.] NATURAL SCIENCES OF PHILADELPHIA. 341 



Andrew Vauderslice. " No. 14,405 is a specimen belonging to the 

 present species which was secured in the Delaware Bay many years 

 ago. It is labeled as having been obtained from Mr. Holbrook. 



No. 1^0,968. Type of Lepidosteus otarius Cope, Proc. Acad. 

 Nat. Sci. Phila., 1865, p. 86. (Dried skin.) 



This specimen was one of a collection of fishes said by Prof. 

 Cope,' to have been " brought from the Platte river, near Fort 

 Riley, by Dr. William A. Hammond." It is very evident, as 

 Profs. Jordan and Evermann have observed, " Fort Riley was on 

 the Kansas river." 



21. Lepisosteus platostomus Rafinesque. 



Lepisosteus platostomus Rafinesque, Ichth. Oh., 1820, p. 72. 



No. 16,958. Type of Cylindrostrem productus Cope, Proc. Acad. 

 Ned. Sci. Phila., 1865, p. 86. San Antonio, Tex. (Dried 

 skin. ) Dr. A. L, Heermann. 



EXPLANATION TO PLATES XII, XIII, XIV, XV. 



Plate XII, fig. 1. — Acipenser naccarii Bonaparte. 



Fig. 2. — Pristinrus melastomus (Rafinesque). 



Plate XIII, fig. 3. — Galeus mustelus (Linnains). 



Fig. 4. — Gnleorhinus galeus (Linnteus). 



Plate XIV, fig. 5. — Raja punctata Risso. 



Fig. 6. — Dasyatis ciolacea (Bonaparte). 



Fig. 7. — Raja miraletus Linnaeus. 



Plate XV, fig. 8. — Tetronarce nobiliaua (Bonaparte). 



Fig. 9. — Dasyatis brucco (Bonaparte). 



The letters referring to the different parts of the viscera are the same in 

 all the figures : a. left lobe of liver ; h. right lolje of liver ; c. stomach ; 

 d. pyloric region ; t'. spleen ; /. small intestine ; g. colon ; h. rectal gland ; 

 i. rectum ; k. median Jobe of liver ; I. air bladder ; m. oesophagus. 



^ Proc. Acad. Nat. Sci. PMla., 1865, p. 85. 



