PENTACEROS RICHARDSON!.— Smith. 



Pisces. — Plate XXI. 



P. capite scabra striato ; squamis paucis infra oculos ; tborace scutis parvis multilateralibus tecto ; 



dentibus criniformibus ; spinis pinnarum osseis, fortibus, longitudinaliter striatis ; linea laterali 



arcuata. 

 Longitudo e naso ad apicem caudse 21 unc. 



Colour. — Head above intermediate between wood-brown and aurora-red, 

 which colour is shaded or freckled with brownish red and superiorly varie- 

 gated 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 fin light 

 reddish brown clouded particularly towards its base with imperial purple, 

 rays aurora-red shaded with brownish-red. Caudal, anal and ventral fins 

 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 skin. — 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 



