FAMILY PLATYCEPHALIDAE SCHULTZ 49 



56. Preopercle without antrorse spine. 



6a. Preocular normally with a single spine, no serrations ; lateral line 

 unarmed, except possibly for first 1 to 3 scales anteriorly. 

 Onigocia ^* Jordan and Thompson 

 66. Preocular with a spine and from one to several additional smaller 

 spines or serrations; lateral line scales with small spines an- 

 teriorly Wakiyus Jordan and Hubbs 



46. Ridge of lower opercular spine distinctly finely serrate; 2 preocular 

 spines; 3 to 6 preopercular spines; cheek unicarinate in young 



becoming bicarinate as in large adults Sorsogona '^ Herre 



36. Suborbital ridge not finely serrate, with spines or entirely smooth; 

 cheek bicarinate, with an upper and lower angular edge. 

 7a. All minor ridges of head denticulate or granulate; eye without dermal 

 cirrus; opercular margin with a free-tipped dermal flap. 



Suggrundus '^ Whitley 

 76. Ridges of head devoid of fine denticulations or granulations; eye with 

 or without dermal cirrus; opercular margin with or without a 

 free-tipped dermal flap. 

 8o. All of the lateral line scales with a strong spine. 



Grammoplites ^' Fowler 

 86. Only first few or anterior part of lateral line scales with or with- 

 out spines. 



9a. Teeth all villiform; no canines Thysanophrys Ogilby 



96. Teeth highly specialized, those of upper jaw caninelike and 



depressible Ratabulus ^^ Jordan and Hubbs 



26. A single weak opercular spine and a single strong preopercular spine; no 

 antrorse spine on preopercular margin; developed gill rakers about 

 5+1 + 13 or 14; body and head very slender, greatest width about 9 

 or 10 in standard length Elates '^ Jordan and Seale 



Genus WAKIYUS Jordan and Hubbs 



Wakiyus Jordan and Hubbs, Mem. Carnegie Mus., vol. 10, No. 2, p. 286, 1925 

 (type species, Platycephatus spinosus Temminck and Schlegel). 



i< Onigocia Jordan and Thompson, Proc. U.S. Nat. Mus., vol. 46, p. 70, 1913 (type species, Platycephalus 

 macrolepis Bleeker). 



'5 SoTsogona Ilerre, Notes on fishes in tlie Zoological Museum of Stanford University: 1. The fishes of 

 the Herre Philippine E.xpedition of 1931, p. 67, 1934 (type species, Sorsogona serrulata Herre^ Platycephalus 

 tuberculatus Cuvier and Valenciennes; Insidiator jugosus McCuUoch appears to be large specimens of P. 

 tnberculatns that have the lower ridge of suborbital more serrate with increase in size). 



19 Suggrundus Whitley, Mem. Queensland Mus., vol. 10, No. 1, p. 26, 1930; preoccupied, replaces Insidiator 

 Jordan and Snyder, Proc. U.S. Nat. Mus., vol. 23, 368, 1900 (type species, Platycephalus rudis Gunther, in 

 Report on . . . voyage of H.M.S. Challenger . . . 1873-70, Zoology, vol. 1, pt. 6, p. 66, pi. 29, fig. B, 1880 

 (Japan) = P. meerdervoortii Bleeker 1860). 



" Grammoplites Fowler, Journ. Acad. Nat. Sci. Philadelphia, vol. 12, p. 550, 1904 (type species, Cottus 

 scaber Linnaeus). 



" Ratabulus Jordan and Hubbs, Mem. Carnegie Mus. vol. 10, No. 2, p. 286, 1925 (type species, Thysanoph' 

 rys megacephalus Tanaka). 



" Elates Jordan and Seale, Bull. U.S. Bur. P'ish., vol. 26 (1906), p. 39, 1907 (type species. Elates thompsoni 

 Jordan and Seale). 



Hyalorhynchus Ogilby, Proc. Roy. Soc. Queensland, vol. 23, p. 118, 1910 (type species, Hyalorhynchus 

 pellacidus Ogilby). 



