REGAN—MARINE FISHES, 249 
153. Callionymus spiniceps, sp.n. (Plate 30, fig. 4.) 
Length of head (to gill-opening) 3% in the length of the fish. Snout as long as eye, 
the diameter of which is 3 in the length of head; eyes subcontiguous; gill-openings 
small, superior; preopercular spine straight, more than } the length of head, with both 
edges serrated and an outer antrorse process at the base; maxillary not extending to 
below the eye; preorbitals with serrated edges and with additional series of serre ; 
preefrontals denticulated ; supraorbital ridges serrated, ending posteriorly in 2 or 3 
spines; occipital region rugose, with 2 pairs of spines. Lateral line single. Dorsal 
IV, 8; first ray of anterior dorsal, in the male, produced into a long filament ; rays of 
the second dorsal equal, the last reaching the caudal when laid back. Anal 8, the rays 
increasing in length posteriorly. Pectoral reaching the fourth anal ray, ventral to the 
second. Caudal, in the male, elongate, } as long as the fish. Head and upper part of 
body with small dark spots. A large black spot on the upper part of the membrane 
between the third and fourth rays of the anterior dorsal; second dorsal with 3 or 4 
series of oblong dark spots ; caudal with dark cross-bars ; outer half of anal blackish. 
Amirante, Seychelles Group, over 30 fathoms. 
A single specimen, 154 mm. in total length. 
154. Synchiropus sechellensis, sp.u. (Plate 30. fig 1.) 
Length of head (to gill-opening) 83 in the length of the fish. Eyes separated by 
a distinct interspace, their diameter 3 in the length of head; gill-openings lateral, 
in front of the upper part of the base of pectoral; preopercular spine strongly curved 
upwards and inwards at the tip and with two tooth-like processes on its upper edge. 
Lateral line single. Dorsal IV, 8; anterior dorsal, in the male, elevated and with the 
rays produced, but rapidly decreasing in length from the first, which is much longer 
than the head, to the last, which scarcely reaches beyond the origin of the second dorsal 
when laid back. Anal 7. Ventrals extending nearly to the origin of anal, pectorals a 
little beyond. Caudal moderately elongate. Head and body with 6 broad reddish cross- 
bars separated by irregular narrow whitish interspaces; lower parts with white spots or 
vermiculations. First two rays of anterior dorsal and the membrane between them 
reddish, rest of the fin dusky; second dorsal crossed by 3 or 4: oblique reddish bands and 
spotted or vermiculated with white; candal with 2 reddish cross-bars; outer 3 of anal 
blackish ; pectorals pale, ventrals pink with dusky edges. 
Seychelles Group, 37 fathoms. 
Two specimens (ds), 55 mm. in total length. 
Allied to S. lineolatus, C. & V., differing in coloration and in the form of the 
preopercular spine and of the anterior dorsal fin. 
155. Synchiropus altivelis, sp.n. (Plate 30. fig. 2.) 
Length of head (to gill-opening) 34 in the length of the fish. Eyes separated by a 
distinct interspace, their diameter 31 in the length of head ; gill-openings lateral, in front 
of the upper part of the base of pectoral; preeopercular spine strongly curved upwards 
and inwards at the tip and with two tooth-like processes on its upper edge. Lateral line 
SECOND SERIES.—ZOOLOGY, VOL, XII. 35 
