236 PERCY SLADEN TRUST EXPEDITION. 



104. Sco/'pcenopsis diaholus, C. & V. 

 Seychelles Group, Amirante, 30 fathoms. 



POGONOSCORPIUS, gen. nov. 



Differs from Scorpcenopsis, Heck., in having a well-developed mental barbel and in 

 the strop ii'ls compressed head and body. 



105. Togonoscorpius sechellensis, sp. n. (Plate 28. fig. 3.) 



Depth of body 2| in tlie length, length of liead 2J. Snout longer than postorbital 

 part of head, with concave profile; diameter of eye 5| in tlie length of head and greater 

 than the interorbital width ; lower jaw projecting ; praeoperculnm with 3 spines. 

 Scales small, probably about 60 in a longitudinal series. Dorsal XII 10 ; fourth spine 

 longest, f 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 beloAV the pectorals, not reaching the anal. Caudal rounded. Yellowish ; fins 

 tinged with reddish. 



Seychelles, 37 fathoms. 



A sinofle snecimen, 65 mm. in total length. 



106. Tcenionotus trlacanthus, Lacep. 

 Chagos Archipelago, Salomon. 



107. Pterois zebra, C. & V. 



^laldives, Haddtimati 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 oolitaas, L. 



Maldives ; Cargados Carajos, 20 to 30 fathoms. 



110. Miuous longimanus, sp. n. (Plate 28. fig. 2.) 



Depth of body equal to the length of head, 2f in the length of the fish. Snout longer 

 than eye, the diameter of which is 3 J in the length of head and 1^ the interorbital 

 width. Maxillary extending to below anterior | of eye. Pryeorbital with a pair of spines ; 

 prseopercukim 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 ^ 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 low er margins of caudal blackish. 



