RUTH C. BAMBER—FISHES. 483 
GOBIIDA. 
65. GOBIUS ECHINOCEPHALUS, Riipp. 
Thirteen small specimens, differing from Riippell’s and Giinther’s descrip- 
tions in having a pair of small but well-defined canines in the lower jaw. 
Canines are present in Riippell’s specimens in the British Museum. 
66. GOBIODON RETICULATUS, Guinth. 5 Playf. 
67. GOBIODON CITRINUS (Léipp.). 
68. GOBIODON CERAMENSIS (Bleek.). 
69. ASTERROPTERYX SEMIPUNCTATOS, Riipp. 
BLENNIIDA. 
70. PETROSCIRTES ANCYLODON, Riipp. (Plate 46. fig. 2.) 
(N. Witb., Fische, p. 1, Taf. i. fig. 1.) 
As our specimen differs in some particulars from Riippell’s description, 
it will be well to give the characters in full. 
Height of body 4, length of head 32 in total length (without caudal). 
Diameter of eye 4} in head, almost equal to interorbital width. Snout 
moderate ; cleft of mouth extending a short distance behind anterior margin 
of eye. Canine teeth very large in lower jaw, small in upper. A pair of 
small barbels present on chin and simple paired tentacles on supraorbital 
margin, occiput, and above gill-openings. Dorsal 30, undivided, highest 
anteriorly ; last ray attached by a membrane to caudal peduncle anterior 
to base of caudal rays. Anal 19. Caudal rounded. Pectoral shorter than 
head, not extending to origin of anal. 
Colour in spirit hght brown; back with six irregular dark brown cross- 
bars extending on to dorsal and anal fins. Caudal with opaque white 
margin. 
A single specimen from Suez, 8°5 cm. in length, differing from Riippell’s 
description and figure in the presence of tentacles on occiput and above 
gill-openings, barbels on chin, and opaque white margin to caudal. 
71. PETROSCIRTES MITRATUS, Riipp. 
72. PETROSCIRTES MEKRANENSIS, Regan. 
(““ Fishes of Persian Gulf,” Journ. Bomb. Nat. Hist. Soc. xvi. 1905.) 
A single specimen from Suez, differing from the type in the shape of the 
erest, which is bilobed, probably due to injury during life, — 
