NATURAL SCIENCES OF PHILADELPHIA. 



769 



1904.] 



Dr. Giinther's figure does not indicate the maxillary reaching the front 

 of the orbit, and the small scales on the caudal peduncle and base of 

 the caudal. It shows what is probably intended for the lateral 

 line originating apparently opposite and level with the base of the 

 pectoral, but no dorsal branch is indicated. Poey also pointed out 

 that the example figiu-ed by Valenciennes, =« if correct, must be different 



from L. serpens. 



Dr. Waite has pertinent remarks concerning this species in Aus- 

 tralian waters.^ 



ISTIOPHORID^. 



Istiophorus nigricans (Lac^pfede). 



Makaira nigricaris Lac^pede, Hist. Nat. Poiss., IV, 1803, p. 

 rivage de la mer voisin de la Rochelle. (M. Traversay.) 



Sur un 



Fig. 1. — Istiophorus nigricans (Lacepede). 

 Head, figured above, of an example without data. 



Tetrapturus imperator (Schneider). 



Xiphias imperator Schneide 



mari Mediterraneo. ^" 

 Tetrapturus bclone Bonaparte, Cat. Met. Peso. Europ., Napoli, 1846, p. 80 



Xiphias imperator Schneider, Syst. Ichth. Bloch, 1801, p. 93, PI. 21. In 

 mari Mediterraneo. ^° 



Fig. 2. — Tetrapturus imperator (Schneider). 



A dried head, figured above, very probably belonging to the old 

 Bonaparte collection, as it bears the number 457. 



28 mane Aniinal, Ed. Grav., 18—, descr. PI. 49, fig. 2. 



^^Rec. Austral. Mus., VIII (7), June 15, 1900, p. 199. Also see reference, 



I c ,Y (3), March 11, 1904, p. 198 (based on same example). 



5" Based on De I'Empereur ou Poisson a Epee, Duhamel du Monceau and de 

 Lamarre, Trait. Gen. Pesch., IV, suite de la second partie, tome III, section \, 

 1769-82, p. 333, PI. 25, fig. 2. Mediterranee. 



