'iz oor,iiD.£. 



eye ; no canine teeth ; a strong antrorse. spine at angle of proeoperculum. 

 ]^orsals VI, I 8, narrowly separated from each other, longest branched 

 rays I to f lengtli of heal. Anal 1 8, its origin slightly behind that of 

 dorsal. Pectoral | to % lengtli of head, longer than ventral. Caudal 

 ])ednncle ]^ to 1^ times as long as deep. Scales strongly ciliated. GO- 

 78 in longitudinal series, 17-21 between dorsal and anal. Dark brown 

 to blackish, fins often with small light spots; first ilorsal sometimes with 

 dark and ligiit ocellar spots. 



Total length 2(10 niillim. 



East Africa to Polynesia. 



1. Yg. ]{ovuin;i H. .SO iiiiies Ircmi Sir J. Kirk (P.). 



coast. 



2-1. Types of /■;. Moz:u.iln,iui>. Sir L. Playfair (P.). 



soaresii. 



:>. A.l. Durlmn, Natiil. H.^v. N. Ahrahani (P.). 



C-ll. All., hgr.. Hoili-igiiez, i'r(>>li water. (i. ( iuUiver, Esq. (P.). 



2. GOBIUS. 



Artedi, Gen. Pise. ]>. 2S (1792) ; Cuv. & Val. lli>t. Poiss. xii. p. 1 (1837) ; Giintli. 



Cat. Fish. ill. p. ?> (ISCl). 

 0.i\'/urichthi/s, Bleek. Act. Soc. Iiido-Neerl. vi. l^'i'J, p. 120. 

 (honophoriis, Poey, Mem. Cuba. ii. p. 274 (ISSIil). 

 Glossof/ohitis (Gill), Bleek. Arch. Ni-eil. ix. 1S74, p. ;U;j. 

 AiraoKx, Bleek. t. c. p. o20. 



Teeth conical, with or without curved canines. Two dorsal fins, the 

 anterior with o to 9 flexible si)ines, the posterior with one simple and 

 7 to 28 branched rays. Anal similar to second dorsal. Ventral fins 

 united into a disk, which is not attached to the belly. Scales large or 

 small, cycloid or more or less strongly ciliated. 



Coasts and mouths of rivers of the greater part of the world, some 

 species confined to fresh water. 21 species are known from fresh water 

 in Africa. 



Si/no2)sis (if f/ic Sjiecies. 



I. Boily not or but feebly coiupressed ; eauJal tin not or but sliglilly longer 

 than head. 

 A. Pectoral without ^^ilk-like upper ray«. 



I. Uorsal and anal wiili 7 to '.• lirantdied ravs. 



