236 PERCY SLADEN TRUST EXPEDITION. | 
104. Scorpenopsis diabolus, C. & V. 
Seychelles Group, Amirante, 30 fathoms. 
POGONOSCORPIUS, gen. nov. 
Differs from Scorpenopsis, Heck., in having a well-developed mental barbel and in 
the strongly compressed head and body. 
105. Pogonoscorpius sechellensis, sp.n. (Plate 28, fig. 3.) 
Depth of body 25 in the length, length of head 2}. Snout longer than postorbital 
part of head, with concave profile; diameter of eye 53 in the length of head and greater 
than the interorbital width; lower jaw projecting; przeoperculum with 3. spines. 
Scales small, probably about 60 in a longitudinal series. Dorsal XII 10; fourth spine 
longest, = the length of head. Anal III 5; third spine longest. Pectoral broad, 
rounded, of 18 simple rays, extending to above the anal spines ; ventrals close together, 
inserted below the pectorals, not reaching the anal. Caudal rounded. Yellowish; fins 
tinged with reddish. 
Seychelles, 37 fathoms. 
A single specimen, 65 mm. in total length. 
106. Tenionotus triacanthus, Lacep. 
Chagos Archipelago, Salomon. 
107. Pterotis zebra, C. & V. 
Maldives, Haddumati and Kolumadulu, 35 fathoms; Seychelles Group, Amirante, 
20 to 35 fathoms. 
108. Pterois antennata, Bl. 
Seychelles, 37 fathoms ; Cargados Carajos, 20 to 30 fathoms. 
109. Pterois volitans, L. 
Maldives ; Cargados Carajos, 20 to 30 fathoms. 
110. Minous longimanus, sp. u. (Plate 28. fig. 2.) 
Depth of body equal to the length of head, 2% in the length of the fish. Snout longer 
than eye, the diameter of which is 33 in the length of head and 14 the interorbital 
width. Maxillary extending to below anterior } of eye. Przeorbital with a pair of spines ; 
preeoperculum with 6 spines, the second very strong and nearly as long as the eye, the 
fifth and sixth obtuse projections of the lower limb, each with 3 or 4 denticulations. 
Dorsal X 11, the spines strong, subequal from the second, which is 4 the length of head. 
Anal 11. Pectoral extending to last ray of anal. Caudal truncate. Pale brownish ; 
dorsal posteriorly with oblique dark stripes ; tip of pectoral, margin of anal, and posterior 
and lower margins of caudal blackish. 
