new Fishes from Persia. 421 
above opercular cleft : first and second spines shortest, third 
longest, nearly 4 length of head, and produced in a short 
filament ; no notch between spinous and soft portions ; poste- 
rior soft rays longest, } length of head. Pectoral # length of 
head, as long as ventral; latter reaching vent. Anal III 7; 
second spine longest, nearly } length of head. Caudal with 
crescentic emargination. Caudal peduncle as long as deep. 
Seales 43°; lateral line 41, gently curved. Uniform 
reddish. 
Total length 85 millim. 
A single specimen. 
Pseudochromis nigrovittatus. 
Depth of body 5 times in total length, length of head 4 
times. Snout as long as diameter of eye, which is 4 times in 
length of head and slightly exceeds interorbital width; max- 
illary extending to below anterior third of eye; 6 series of 
small scales on the cheek; large scales on the opercle. 
Dorsal II 28; soft rays 3 length of head. Pectoral 2 length 
of head, as long as ventral. Anal II 15. Caudal trifurcate, 
outer lobes longest. Caudal peduncle as long as deep. 
Scales 53 4; lat. 1. ==". Olive-brown above, yellowish 
white beneath ; a black stripe on each side, from the tip of 
the snout, through the eye, to the middle caudal rays; fins 
yellowish. 
Total length 80 millim. 
T'wo specimens. 
Gobius Townsendi. 
Both jaws with strong canines. Depth of body equal to 
length of head, 32 to 4 times in total length. Head naked, 
longer than deep and deeper than broad ; lower jaw projecting 
beyond upper; maxillary extending to below anterior fourth 
of eye; snout extremely short, hardly } diameter of eye, 
which is ? length of head; interorbital region very narrow ; 
a deep groove between and behind the eyes. Dorsal VI 11; 
first dorsal nearer the end of the snout than the base of the 
caudal ; longest rays of second dorsal about 4 length of head. 
Anal 11, opposite to soft dorsal. Ventral nearly reaching 
vent. Caudal rounded. Caudal peduncle a little longer than 
deep. Scales 40-45; 15 or 16 in a transverse series. 
Pinkish above, with faint brown dorsal cross-bars, which are 
more distinct on the nape; a small blackish spot above the 
upper border of the gill-cover ; fins colourless. 
Total length 30 millim. 
Several specimens. 
