PENTACEROS RICHARD SON I. —Smith. 
Pisces. — Plate XXI. 
P. 
capite scabra striato; squamis paucis infra oculos ; thorace scutis parvis 
dentibus criniformibus ; spinis pinnarum osseis, fortibus, longitudinaliter 
arcuata. 
multilateralibus tecto ; 
striatis ; linea laterali 
Longitudo e naso ad apicem caudoe 21 unc. 
Colour— Head above intermediate between wood-brown and aurora-red, 
which colour is shaded or freckled with brownish red and superiorly vane- 
crated with a few narrow waved black veins from the skin which connects 
the osseous plates being of the latter colour. Sides of head below eyes 
irregularly mottled lilac-purple and aurora-red, the former colour being most 
distinct behind the angles of the mouth, posterior to the eyes and on 
the posterior and upper edge of the operculum. Back and sides over the 
lateral line intermediate between brownish red and auricula-purple, and 
faintly glossed with oil-green ; sides below the lateral line and the belly 
yellowish grey freely shaded with light imperial purple. Dorsal hn light 
reddish brown clouded particularly towards its base with imperial purple, 
rays aurora-red shaded with brownish-red. Caudal, anal and ventral tins 
yellowish grey rayed with brownish-red and glossed with purple. Pectoral 
fins aurora-red striped between the rays with brownish-red. Eyes,— outer 
portion of iris deep pansy-purple, middle silvery white, and the inner portion 
blackish brown. ... , ,. , 
Colour of dried shin . — Head yellowish brown, finely rayed with reddish- 
brown, back and sides yellowish brown freckled and shaded with umber- 
brown. Dorsal fin light orange coloured brown, shaded with brownish-red. 
Caudal fin light yellowish brown, rayed towards apex with brownish-red. 
Form &c. — Body subovate and compressed. Dorsal outline from origin 
to termination of dorsal fin slightly inclined, anterior to origin very oblique, 
the facial angle being about 45°. Ventral outline slightly but regularly 
arched till near the middle of the anal fin, behind that the hinder edge of 
fin is curved strongly inwards to join the narrow portion of the body which 
