NEMATOGOBIUS.— GOBIOIDES. f 1 



(lorsul. Pectoral as long as head or slightly shorter. Ventral not 

 reaching vent, with well-developed anterior membrane. Caudal rounded, 

 as long as or a little shorter than head. Caudal peduncle 1^ to If times 

 as long as deep. Scales ciliated, 37-40 in longitudinal series, 10-11 in 

 transverse scries between dorsal and anal. Yellowish brown above, 

 speckled with brown, with moi-e or less distinct dark cross-bands ; dorsal 

 and caudal fins spotted with dark brown ; a round blackish spot on 

 upper part of pectoral fin, near its base. 



Total length 80 millim. 



West Africa. 

 1-2. Tvpes. P.eno-o R. at CuKiri. Dr. W. J. Ansorge ((■.). 



Angolii. 

 P,-:>. All. \ ligr. Beiigo \\., at Quifangondo. „ 



(■,. Ad. Chiloango Town. ,, 



7. All. (ic'lia U., I'ortngiU'sc ((iiiiica. „ 



Fiff. 2.-?. 



Nemntof)ohi}is ansorr/ii. 

 Type (A. M. C). 



1. GOBIOIDES. 



Lacpp. Hi*t. Poi.^s. ii. ]>. .")7i; ( It^OO) : Ciiv. & Val. Hist. Poiss. xii. \^. K'i' 



(18:57). 

 Amhli/opus, Ciiv. & Val. f. v. p. 1 .'.7 ; Giiiitli. Cat, h'hh. iii. p. i;*>:5 (18('.1). 



Teeth conical, in a band, the anterior enlarged. Body much elongate 

 and compressed. A single very long dorsal fin, witli the 6 or 7 anterior 

 rays simple; anal also very long. Ventral fins united into a disk, 

 which is not attached to the belly. Scales absent or very small or 

 rudimentary. 



Coasts, estuaries, and fresh waters near the sea, witliiu the tropics. — 

 One species in West Africa, closely allied to G. hroussoncti, Lacep., from 

 the East Coast of S. America. 



