REGAN—MARINE FISHES. 241 
Dorsal VI, 19; dorsal spines produced into filaments, the third the longest, when laid 
back nearly reaching the caudal fin. Anal I 8. Pectoral longer than the head ; 
ventrals extending beyond the origin of anal. Caudals rounded. Vertical fins dusky ; 
a dark spot on the upper part of the base of pectoral. 
Seychelles Group, Amirante, 30 fathoms, 
Three specimens, measuring up to 35 mm. in total length. 
1384. Hleotris lantzii, Thomin. 
Chagos Archipelago, Peros. 
135. Gobius nebulopunctatus, C. & V. 
Chagos Archipelago, Salomon; Seychelles Group, Coetivy. 
1386. Gobius semidoliatus, C. & V. 
Maldives, N. Male, 35 fathoms. 
137. Gobius ophthalmotenia, Blky. 
Maldives, N. Male, 36 fathoms, and 8. Nilandu, 35 fathoms. 
188. Gobius ornatus, Ripp. 
Maldives, 27 to 86 fathoms. 
189. Cryptocentrus octofasciatus, sp.n. (Plate 29. fig. 2.) 
Depth of body 44 in the length, length of head 33. Breadth of head a little less than 
its depth, which is 3 of its length. Snout declivous, as long as the eye, the diameter 
of which is 43 in the length of head; interorbital space narrow. Jaws equal anteriorly ; 
maxillary extending to below posterior edge of eye; teeth in bands, the outer series 
enlarged ; a pair of canines in the upper jaw. Suboperculum produced forward into a 
spine. Head naked; body covered with small cycloid scales, about 75 in a longitudinal 
series. Dorsal VI, I 10; spines slightly projecting beyond the membrane, the third 
longest, $ the length of head, a little longer than the fourth, which is equal to the 
longest soft rays. Anal 1I9. Caudal rounded, 7 the length of the fish. Pectorals and 
ventrals subequal in length, a little shorter than the head. Body with 8 dark vertical 
bars separated by 7 pale stripes and with scattered pale blue spots; blue spots on head 
and anterior parts of body arranged round some small rounded blackish spots; similar 
blackish spots in two irregular series on the dorsal fins. 
Chagos Archipelago, Diego Garcia. 
A single specimen, 75 mm. in total length. 
Very closely allied to C. meleagris (Ehrenberg), C. & V. (Gobius cryptocentrus, C. & V.), 
figures of which show the body crossed by 10 pale stripes instead of 7, the pale blue spots 
smaller and more numerous, and no black spots on the head or body. 
140. Hoplopomus caninoides, Blkr. 
Maldives, 27 to 36 fathoms. 
This species, originally described from the East Indian Archipelago, is also represented 
SECOND SERIES.—ZOOLOGY, VOL. XII. 34 
