1 7 6 



process, projecting beyond the upper jaw. Teeth in the jawS, 

 none on the palate or on tongue. Dorsal beginning somewhat 

 before anal and somewhat longer than lastnamed fin. Pectorals 

 comparatively short, not reaching ventrals. Ventrals short, 

 nearer to base of caudal than to snout. Scales moderate. Lateral 

 line running low down. Gillrakers well developed, lancet- 

 shaped, finely dentated along their frontborder. 



Distribution: That of the single species known. 



i. Evolantia micropterus (C. V.) [Fig. 61, p. 176]. 



Exocoetus micropterus Cuvier & Valenciennes, Hist. nat. Poissons XIX. 1846, p. 127. 

 Exocoetus micropterus Bleeker, Act. Soc. Sc. Indo-neerl. I. Beschr. vissch. Amboina 



1856, p. 63. 



Cypsilurus micropterus Bleeker, Ned. Tijdschr. Dierk. III. 1866, p. 128. 

 Exocoetus micropterus Giinther, Cat. Brit. Mus. VI. 1866, p. 279. 

 Exocoetus micropterus Bleeker, Atl. ichth. 1866 1872, p. 77. 

 Exocoetus micropterus Ltitken, Vidensk. Meddel. naturh. Foren. Kj0benhavn. 1876, 



p. 396, (resume p. 103). 



Exocoetus micropterus Day, Fishes of India 4, 1878 1888, p. 518. 

 Evolantia microptera Jenkins, Bull. U.S. Fish. Comm. XXII. (1902) 1904, p. 434. 

 Evolantia microptera Jordan & Evermann, Bull. U. S. Fish Comm. XXIII. (1903) 



1905, p. 130. 

 Exocoetus micropterus Gunther, Fische der Siidsee, Heft VIII. 1909, p. 361. 



D.I3I6; A. 14 16; P. 1. 10 II; V.6; L.I. 48 50. 



Compressed, the breadth of the body going about 1.5 in 

 its height. Height about 6 6.3, 7.5 8 in length with caudal. 

 Head 4.34.5, 5.3 to nearly 6 in length with caudal. Eye 

 3.3, about 1.5 in postorbital part of head and about equal to 

 interorbital space, which is not flat and has two grooves, con- 

 verging anteriorly. Snout shorter than eye. Lower jaw prominent, 

 with a distinct symphysial processus, bearing two barbels, which 



Fig. 6 1. Evolantia micropterus (C. V.) X % 



are shorter than eye. It seems that these barbels are some- 

 times missing. Teeth very small, conical, pointed, simple, partly 

 in 2 rows in the jaws. No teeth on the palate. Dorsal be- 

 ginning somewhat before anal; somewhat longer than anal; 



