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Show 1887.] LITTLE-KNOWN BUTTERFLIES FROM INDIA. 467 male of P. plebeia, and writes regarding them as follows :-" I regard these two specimens as belonging to quite distinct species. The male genital somites and appendages differ very considerably in detail, though identical in plan; in the Sikkim species the terminal dorsal segment is furnished with a pair of conspicuous conical spines which curve upwards, forwards, and backwards from the disk, and is shorter, and the upper lobe of the claspers is smaller and is embraced at its lower border by the commensurately developed spine of the lower lobe; while"in the Ceylon species the terminal dorsal segment is furnished with shorter spines, from the base of each of which a small cusp is given off backwards, and the sclerite is of greater antero-posterior extent; and the upper lobe of the claspers is more curved and longer, extending much beyond the spine of the lower lobe ; and the intermittent organ ends in a bilobed spiny brush in the one, and is apparently simple in the other." P. plebeia is also near the P. seriata, Moore l; the latter, however, is known to me only by the description and figures. P. plebeia is a common species in Sikkim at low elevations. EXPLANATION OF THE PLATES. PLATE XXXIX. Fig. 1. Tajuria albiplaga, 3> P- 459. 2. , 2, P-459. 3. Cheritrella truncipennis, -j? , p. 456. 4. , tf,p.456. 5. Lethe nicetella, 3' P- 448. 6. tamuna, $ , p. 449. 7. gulnihal, 3, P- 450. 8. brisanda, 3> p. 451. PLATE XL. Fig. 1. Tajuria melastigma, 3, P- 460. 2. Parnara plebeia, 3, p. 466. 3. Tajuria istroidea, 2 > P- 458. 4. Nilasera wimherleyi, § , p. 462. 5. Ticherra acte, dry-season form, <j\ p. 457. 6. Bapala distorta, 2» P- 461. 7. Parnara pagana, 3, p. 465. 8. Halpe honorei, 2 P- 464. 9. Plesioneura flavocincta, §, p. 464. 10. Isoteinon flavalum, $, p. 463. 31. Zephyr us pavo, 5 , p. 460. 1 Hesperia seriata, Moore, Proc. Zool. Soc. 1878, p. 688; from Ceylon. |