On a neio Species 0/ Cliarfixes /rom the Cameroons. 449 



included in the definition of the family Stylo])horid;e. 

 Systematic ichthyologists in America emphasize diiferences 

 rather than resemblances, but this may be carried too far, 

 and I think the important features in the anatomy of Stylo- 

 phorus are those which establish its relationship to the 

 Ta^niosomi, whilst its unique characters are of interest only 

 as showing the remarkable specialization which the Tseaiosome 

 type is capable of attaining. 



LIV. — Description of a new Species of Charases from the 

 Cameroons, West Africa. By Herbert Druce, F.L.S. 



&c. 



Char axes acrceoides, sp. n. 

 Male. — Head black, with four yellow spots, two on each 

 side above tiie eye ; antennse black ; collar, tegular, thorax, 

 and abdomen black ; a white spot on the thorax just behind 

 the collar and two yellow spots on each side of the thorax ; 

 palpi above black, the underside orange-yellow ; the under- 

 side of the thorax and abdomen orange-yellow ; the legs 

 black. Primaries black, crossed near the apex by a band of 

 four elongated cream-coloured spots, the inner margin streaked 

 with red, above which are five large red spots, the one nearest 

 the anal angle the largest : secondaries red, black at the 

 base and partly along the inner margin, the anal angle and 

 part of the inner margin cream-colour ; a black streak at the 

 end of the cell, with the black spots on the underside showing- 

 through ; the outer margin from the apex to the anal angle 

 black, with a series of minute white dots in the middle of tlie 

 black margin. Underside : primaries, the apical part of the 

 wing pale yellowish brown, the veins and streaks between 

 the veins black ; the cream-coloured band as above, edged 

 on the inner side by a band of black spots which extend 

 along the outer margin to the anal angle ; tiie ctdl and the 

 central part of wing greenish grey ; the usual black marks in 

 the cell ; the wing below the cell to the inner margin orange- 

 red : secondaries orange-red, palest above the cell and above 

 the anal angle ; the outer margins and veins all black; four 

 large black spots on the costal margin, four in the cell, and a 

 row of hve partly round the outside of the cell ; the black 

 outer margin is spotted with blue and greenish-giey dots. 



Expanse 4^ inches. 



Hab. Cameroons, Bitje, Ja River, 2000 feet ; wet season 

 {Mus. Druce). 



This very tine si)ecies reminds one at tirst sight of Pseud- 

 acrcca clarki, Butler, which also came in the collection. 



