1919.] NATURAL SCIENCES OF PHILADELPHIA. 5 



along side, most distinct, at front of dorsal and anal. Iris pale. 

 Fins all dull brownish. 



Length (beak broken) 310 mm. 



Type, No. 21,924, A. N. S. P. Callao Baj^, Peru. Prof. James 

 Orton. Collection of 1876-1877. Prof. E. D. Cope. 



Only the t3'pe known. Allied with Strongylura exile, but differs 

 in the shorter preorbital, less notched maxillary, slightly fewer 

 branched dorsal and anal rays and larger scales. (Named for 

 Peru.) 



Strongylura marina (Walbaum). 



A large series from Massachusetts (Wood's Hole) ; New Jersey 

 (Barnegat, Great Bay, Atlantic Cit}^ Ocean City, Sea Isle City, 

 Corson's Inlet, Newbold's Island, Florence and Duck Island); 

 Pennsylvania (Delaware River, Philadelphia, Torresdale, Susque- 

 hanna River, Peach Bottom) ; Maryland (Chesapeake Bay, Elk 

 Neck, Pool Creek, Charlestown, Ocean City); and Florida (Bay- 

 port and Boca Grande). 



Strongylura leiuroides (Bleeker). 



Philippines. 



strongylura anostomella (Valenciennes). 



Hakodate, Japan. 



Strongylura leiura (Bleeker). 



Padang, Sumatra. 



Strongylura raphidoma (Ranzani). 



Kingston, Jamaica, and Culebra, Porto Rico. 



Strongylura acus (Lacepede). 



A series of all ages: Massachusetts (Nantucket); New Jersey 

 (Sea Isle City and Ocean City); Pennsylvania (Susquehanna 

 River) ; Mediterranean. 



Strongylura coromandelica (Van Hasselt). 

 Padang, Sumatra. 



strongylura crocodila (Le Sueur). 



Padang, Sumatra. Although I have only the present example 

 from the East Indies, it differs slightly from one I identified as 

 Tylosurus choram (Riippell) obtained in the Camaroons. The 



