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Show 1904.] ON NEW SPECIES OP SOUTH-AMERICAN BUTTERFLIES. 481 EXPLANATION OF THE PLATES. PLATE XXX. Slab allowing dorsal aspect of specimen B (p. 471) of Telerpeton elginense. Reduced to >7. PLATE XXXI. Pig. 1. Counter-slab (anterior part) of specimen P. of Telerpeton elginense. Reduced to |. 2. Imperfect skull, specimen C (p. 471),of Telerpeton elginense. Reduced to £. :i. Lower aspect of imperfect skull of Procolophon trigoniceps (Brit. Mus. no. 794), to show dentition. Reduced to i. PLATE XXXII. Gutta-percha casts of specimen A (p. 470) of Telerpeton elginense, from the two principal pieces, natural size. 4. Descriptions of some new Species of Butterflies belonging to the Family Erycinidce from Tropical South America. By H E R B E R T D R U C E , V.P.Z.S., F.L.S. [Received April 18, 1904.] (Plates XXXIII. & XXXIV.*) EURYGONA OCALEA, sp. n. (Plate XXXIII. fig. 1.) Male. Head and antenna? black, collar, tegulse, thorax, and abdomen yellowish brown. Primaries dark brown, with a large spot, from the base to the middle, reddish brown, chrome-yellow beyond ; fringe dark brown. Secondaries reddish brown, shading to chrome-yellow near the apex, the costal, outer, and inner margins bordered with dark brown. Under side :-Primaries pale brown, crossed beyond the cell from the costal to the inner margin by a curved dark brown line, the wing on the outer side of the line being white near the anal angle ; a submarginal row of minute black dots extends from the apex to the anal angle ; the fringe reddish brown. Secondaries: the base and outer margin pale brown, the other part of the wing white; a waved brown line crosses the wing beyond the cell from the costal to the inner margin ; a sub-marginal row of black spots with white points from the apex to the anal angle; a marginal yellow line extends from the anal angle almost to the apex of the fringe. Expanse 1-^ inch. Hab. Bolivia : La Paz, 3500 feet (Mus. Druce). This species is allied to Eurygona eucerus Hew. from Brazil. It is very distinct on the under side. EURYGONA CANDARIA, sp. n. (Plate XXXIII. fig. 2.) Male. Head and palpi white ; antenna?, collar, tegul?e, thorax. * For explanation of the Plates, see p. 489. |