290 PROCEEDINGS OF THE NATIONAL MUSEUM. vol. xxvii. 



The type was dredo-ed by the U^ S. Fish Commission steamer 

 Albatross in Suruga Ba}' in 94 fathoms, Station 37U4. It is 13 cm. in 

 leng'th, and bears the number 50591, U.S.N.M. 



[cptdog, l)a])v; Ke(paXt'/, liead, from its resemblance in feature to the 

 shaven-fronted bal)ies (kishibozu) in Japan. 



2S. GYMNOCANTHUS Swainson. 



Gymnocdrithus SwxiSf^oN, Cla^^. Fish., etc., II, 18o9, p. 271 (rri//r<iliii). 



Phobetor KnoYEn, Naturb. Tidschr., I, 1844, p. 263 {tricuxpi.s). 



Elaphocoltus Sauvage, Nonv. Arch. Mus. Paris, (2), I, 1878, p. 142 {piMillhjev). 



Body slender or robust, subfusif5rm, covered with thick skin in 

 which are sometimes embedded prickl}^ i)lates; deciduous, granular, 

 or stellate tubercles also sometimes present, ])ut no true scales. Head 

 large; mouth terminal, large, the lower jaw always included, the 

 uppermost the longer; villiform teeth on jaws, none on palatines or 

 vomer; suborbital stay strong; preopercle with 4 spines, the upper 

 very strong and armed above with 2 to 5 antler-like processes; opercle 

 nasal bones, orbital rim, and shoulder girdle more or less armed; gill 

 membranes forming a fold across the rather narrow isthmus; slit ])eliind 

 last gill small or wanting, if present reduced to a mere pore; vertebrsB 

 about 28. Branchiostegals mostly 6. Dorsal tins 2, separate, the first 

 short, its spines rather slender; ventral rays I, 3; caudal tin moderate; 

 pectoral fin broad, its lower rays procurrent. Lateral line well devel- 

 oped^ its tubes sometimes provided with })ony or cartilaginous plates. 



{yvjdvog^ naked; aKavSa.) 



a. Interorbital space not armed with Ixmy plates; })ectoral tin witli fringes on the 



inner side of the rays. D. IX-14; A. 16 phtillvjcr, 84. 



aa. Interorbital space arnied with bony plates; no fringes on pectoral. 



h. D. IX or X-14 or 15 ; A. 15 intermedius, 35. 



hJ). D. X or XI-17; A. 18; month very large merzensteini, 36. 



34. GYMNOCANTHUS PISTILLIGER (Pallas). 



Coitus pi stun ger Pallas, Zoogr. Rosso-Asiat., Ill, 1811, p. 43; T'nalaska. — Cuvier 

 and Valenciennes, Hist. Nat. Poiss., IV, 1829, p. 193. — (TiTNTHER, Cat., II, 

 1860, p. 167. 



Cothis ventralis Cuvier and Valenciennes, Hist. Nat. Poiss., IV, 1829, p. 194; 

 Kamchatka (Coll. Mr. Collee, type in Brit. Mns.).— GtJNTHER, Cat., II, 1860, 

 p. 167. 



Coltm cephaloides Gray, in Cnvier and Valenciennes, Hist. Nat. Poiss., IV, 1829, 

 p. 194; Kamchatka. {Type oi C. ventrali'<.) 



Elaphocottus 2)istiUiger SAnvAGK, Nouv. Archiv. Mus., 1878, p. 142. 



Gi/mnocanlhus pistilliger Gilbert, Rept. U. S. Fish Comm., 1893 (1896), p. 424.— 

 ScoFiELD, Rept. Fur Seal Comm., Ill, 1898, p. 503; Grantley Harbor — 

 Jordan and Evermann, Fish. N. and M. Amer., II, 1898, p. 2006 — Jordan 

 and Gilbert, Rept. U. S. Fur Seal Comm., Ill, 1898, p. 460; Petropaulski, 

 Robben Island, Bristol Bay, Kyska, Point Belcher, Cape Tchaplins, Bering 

 Island. 



D. IX-l-l ; A. 16. The dorsal fins are widely separated, the inter- 

 space equal to one-half or more than one-half the diameter of the 



