yo.vm. JAPANESE BERYCOW FISHES— JORDAN AND FOWLER. 



9 



Wo arc wholly unable to find any difference between our specimens 

 and th(^ accounts given of the Mediterranean species, which is also well 

 diii'used in the deoj) Avators of the Atlantic. 



4. PARATRACHICHTHYS Waite. 

 Par<(tr(«-]tirhthi/>< Waite, Scient. Kesulte, IL M. C. S. Tlietis, 1899, ]i. 04 (IraiUii). 



This genus is allied to (Tephyr(>l>ii'y.i\ difforino- in the anterior inser- 

 tion of the vent, which is close behind the ventral tins; a series of bony 

 serra^ l)ehind the vent. Scales small, rough — ctenoid; no vomerine 

 teeth; dorsal spines 6, graduated. Japan to Austral'a. in deep water. 



[napa, near: TrachicldhyH.) 



5. PARATRACHICHTHYS PROSTHEMIUS Jordan and Fowler, new species. 



Head, 2|; depth, 2t; D. VI, 14; A. Ill, 9; P. 1, 11; V. I, «]; ven- 

 tral scutes, 9; scales, 5-1. Body elongate, compressed, and covered 



Fig. 1.— PARATRACHICHTHYS PROSTHEMIUS. 



with small, rough, ctenoid scales, those of the lateral line not espe- 

 cially enlarged; a])ove. on the front part of the back, the scales are 

 very small. Head largo, deep, and compressed, the ridges of the 

 bones somewhat olovatc^d and forming nuicous cavities between which 

 are thin covering membranes; upper protilc roundly convex, the snout 

 very obtuse, eye large, its posterior margin nearer the tip of the snout 

 than the posterior margin of the gill-oponing. 2f in the head; 1^ in the 

 maxillary, and greater than the interorbital space; mouth very oblique, 

 the maxillar}^ e>;tending nearlv to the posterior margin of the eye; 

 nostrils large and din^ctly in fi-ont of the eye; above, teeth of the jaws 

 very hue and in broad l)ands; no vomerine teeth; lower jaw projecting; 

 most of the protruding ridges of the head roughened; above the oper- 

 culum, at the origin of the lateral line a sharp spine directed back- 



