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Show 1893.] BRITISH CENTRAL AFRICA. 663 near to B. calypso and might almost be a hybrid between that species and B. sabrata=thysa, var.; the description is based upon two examples, both of them males. 98. MYLOTHRIS RUPPELLI. Pieris ruppellii, Koch, Indo-Austr. Lep. Fauna, p. 88 (1865). 2 , Zomba, January 1893. 99. NYCHITONA ALCESTA. Papilio alcesta, Cramer, Pap. Exot. iv. pi. ccclxxix. A (1782). Lake Mweru. 100. COLIASEDUSA. Papilio edusa, Fabricius, Mant. Ins. ii. p. 23, n. 240 (1787). 2 , Zomba, December 1892. 101. TERIAS ZOE. Terias zoe, Hopffer, Ber. Verh. Ak. Berlin, 1855, p. 640, n. 5; Peters's Reise nach Mossamb. v. p. 369, pi. 23. figs. 10, 11 (1862). 6 2, Zomba, January 1893. 102. TERIAS REGULARIS. Terias regularis, Butler, Ann. &Mag. Nat. Hist. ser. 4, vol. xviii. p. 486 (1876). o* 2 > Zomba, July and December 1892. 103. TERIAS ORIENTIS. Terias orientis, Butler, P. Z. S. 1888, p. 71, n. 87. Terias butleri, Trimen, Afr. Butt. iii. p. 23, n. 244 (1889). 3, Lake Mweru ; 2 > Zomba, July 1892. I had suspected the identity of T. orientis and T. butleri ever since reading the description of the latter, and in 1891 Mr. C. Barker kindly gave us a typical example of T. butleri from Palapye, Kama's country, Mashonaland, enabling me to prove the fact beyond question. 104. TERACOLUS RHODESINUS, sp. n. (Plate LX. fig. 6.) 3. Intermediate in character between T. vesta and T. catochrysops. Upper surface creamy buff, with white basal third and blue-grey basal scaling: primaries with slender black costal margin; discocellular spot large and black as in T. mutans; the external border nearly as in T. doubledayi, only the veins are not black beyond the bisinuated inner band of the black-brown external area: secondaries with the inner band or edging of the external area very narrow and almost obliterated below the third median branch, the outer border also narrow as in T. doubledayi, but more sharply defined; the enclosed spots consequently are longer than usual. Below like T. vesta, but the primaries with the bisinuated J-band narrower and the secondaries of a more lively sulphur-yellow tint, PROC. ZOOL. Soc-1893, No. XLV. 45 |