1886.] PKOCEEDINGS OF UNITED STATES NATIONAL MUSEUM. 349 



7. Tylosurus microps. 



Belone microps GUutlier, Cat. Fish. Brit. Mus., vi, 237, 1886 (Surinam). 

 Habitat. — Braziliau Fauna; Surinam. 

 This species is known to us only from Dr. Giinther's description. 



8. Tylosurus amazonicus. 



Belone amazonica Steindacliner, Ichth. Beitr., iii, 66, 1875 (Amazon River, at 

 Par£i, Manacapuru, and Tajapuru). 



Habitat. — Brazil ; mouth of the Amazon. 



This species is known to us only from the account given by Dr. 

 Steindachner. It seems to be very close to T. microps, and as Stein- 

 dachner has suggested, it may prove identical with the latter. 



9. Tylosurus ardeolus. 



fBelone ardeola Cuv. & Val., xvii, 1846, 425 (Martinique). 



f Belone cigonella Cuv. & Val., xviii, 1846, 436 (Porto Rico). 



fBelone argalus Le Sueur MSS., Cuv. & Val., xviii, 1846, 439 (Guadeloupe). 



Belone depressa Giiuther, vi, lc66, 235. (Dominica; Jamaica) (not of Poey). 



Habitat. — West Indian Fauna. 



Dr. Giinther has described, under the name of Belone depressa, a spe- 

 cies apparently valid, but having little in common with the Belone de- 

 jjressa of Poey, which is our Tylosurus subtruncatus. Species more or 

 less similar to this of Giinther have been very briefly and insufficiently 

 described by Valenciennes under the names of ardeola, cigonella, and 

 argalus. We refer all these names provisionally to one species, arde- 

 olus, which is unknown to us. The types of none of these species are 

 now to be found in the museum at Paris. 



10. Tylosurus stolzmannl. "Sierrita." 



Belone stolzmanni Steindachner, Ichth. Beitr., vii, 21, 1878 (Tumbez, Peru). 



Tylosurus stolzmanni Jordan, Proc. U. S. Nat. Mus., 1885, 370 (Mazatlau) ; 

 Jordan, Cat. Fish. N. A., .59. 



Tylosurus sierrita Jordan & Gilbert, Proc. U. S. Nat. Mus., 1881, 4.58 (Ma- 

 zatlau); Jordan & Gilbert, Bull. U. S. Fish Comm., 1882, 106 (Ma- 

 zatlan). 



Habitat. — Pacific Coast of tropical America; Mazatlan; Peru. 



This species is the southern representative of T. exilis, from which 

 it differs in little except the marked coloration of the pectorals. The 

 description of Belone stolzmanni from Peru agrees too closely with that 

 of T. sierrita from Mazatlan for us to regard the two as distinct. It has 

 been well described in these proceedings under the name of T. sierrita. 



11. Tylosurus exilis. California Needle-fish. 



Belone exilis Girard, Proc. Ac. Nat. Sci.Phila., 1854, 189 (San Diego, Cal.) ; Gi- 

 rard, U. S. Pac. R. K. Surv. 1859, 158 (San Diego) ; Gunther, vi, 1866, 238 

 (copied) ; Jordan & Gilbert, Proc. U. S. Nat. Mus., 1880, 30 (San Diego). 



Tylosurus exilis Jordan & Gilbert, Proc. U. S.Nat. Mus., 1880,457 (Santa Bar- 

 bara; San Pedro; San Diego); Jordan & Jouy, Proc. U. S. Nat. Mus. 

 1881, 13 (San Diego) ; Jordan & Gilbert, 1. c. 1881, 43 (Santa Barbara; 

 San Diego) ; Jordan & Gilbert, Synopsis Fish. N. A., 1883, 374 ; Jordan, 

 Cat. Fish. N. A., 1885, 59. 



Habitat. — Coast of Southern California. 



