NO. 132^. ELASMOBRANCHIATE FISHES-JORDAX AXJ) FOWLER. 631 



[keel which ends in a point. The single Japane^ species belongs to 

 the snhgcims Seym nodon, characterized by the presence of three keels 

 the scale ending- in three points. ' 



{kenig^ scale; pi'vi]^ shark.) 



26. LEPIDORHINUS FOLIACEUS (Gunther). 



Centrophorus foliacem Gunther, Deep Sea Fishes, C'hallen<,a'r, 1SS7, j). 5, n] 11 

 fig. A (off Enoshima). ^ ' ' • - • > 



Head 4f in body; width of head 1^ in its length; snout 8i; intcr- 

 ^orbital space 2; width of mouth 2i; snout to mouth If; space between 

 |spiracles 3; eye about If in interorbital space. 



f Body rather elongate, tail tapering. Head elongate, depressed, 

 broad; snout broad, flattened, tip broadly rounded; eyes large, lateral,' 

 nearer snout than gill-opening; mouth rather small, slightly'curved,' 

 'with deep labial fold at each corner; lips thin; teeth forming cutting 

 edges in jaws, those in lower jaw with several small cusps; nostrils 

 large, inferior, nearer eye than tip of snout, and nearer latter than 

 mouth; interorbital space broad, flattened. Spiracles large, round, 

 space between one and one-half in interorbital space. Gill-openings 

 llow, in front of pectorals. 



f The body covered with large leaf-shaped scales, 3 pointed, keeled in 

 front and on a pedicle; they are large on trunk, both above and below, 

 .but especially enlarged, in front of first dorsal. 



I Both dorsals provided with sharp spines, with only the tips exposed; 

 origin of first dorsal nearer tip of snout than base of second, and a short 

 distance behind base of pectoral; pectoral short, truncate, less than 

 two in head; ventrals small, in front of second dorsal, nearer tip of 

 caudal than tip of snout; caudal four and one-fourth in body. Caudal 

 -peduncle short, its depth three in interorbital space. 

 [ Color in alcohol uniform gray brown, edges of nostril and lower 

 lips blackish. 



Length 14^ inches. 



Described from a specimoji from Misaki, taken in deep water l)v 

 K. Aoki. 



j^ Deep waters off Japan, known oidy from off' Enoshima and INIisaki 

 jm Sagami Bay. Our specimen is from near Misaki. 



{foUaceus, leaf -like.) 



23. DEANIA Jordan and Snyder. 



Dcania Jordan and Snyder, Proc. U. S. Nat. Mus., XXV, 1902, p. 80 {eglanfma). 



Scales minute, villous, each star-like, and with three or four long 



Doints. The skin velvety to the touch. Snout long, flattish. Dorsal 



^pines strong. In other regards similar to Centrojyhorus, but the 



iquamation quite different. 



(Named for Prof. Bashford Dean, of Columbia University, in recog- 

 iition of his researches in sharks, those of the present genus among 

 )thers.) 



