1896.] FROM NYASA-LAND. 125 
with sulphur-yellow internervular longitudinal lines ; inner edge 
of border acutely zigzag: secondaries sulphur-yellow, with mar- 
ginal rounded black spots: body normal, blue-blackish with yellow 
venter. Primaries below pearl-white, showing the upper surface 
pattern through the wing, apical border slightly washed with 
sulphur-yellow ; a marginal series of black points: secondaries as 
above, excepting that the base of the costa is chrome-yellow: 
pectus whitish, with yellowish hairs. Expanse of wings 59 millim. 
33, 2, Nyankowa Mt., 6500 feet alt., April 9th; gd, 
Kantorongondo Mt., 5000 feet alt., Nyika, April 14th and 15th, 
1895. 
“ Chrome-yellow underwing White. A high flier, perching on 
trees high up, but of weak flight ” (2. C.). 
72, COLIAS EDUSA, var. ELECTRA. 
Papilio electra, Linneus, Syst. Nat. i. 2, p. 764 (1767). 
3g. Nyankowa Mt., 5425 feet alt., April 8th; ¢ 2, 5575 feet, 
April 10th; ¢, Kantorongondo Mt., 5900 feet, April 15th; ¢ 2, 
Cheni-Cheni Mt., 4500 feet alt., April 18th, 1895. 
“Ova oblong and yellow” (2. C.). 
The white female is, only the ordinary C. helice form. 
73. TERIAS CHALCOMIZTDA. 
Terias chalcomieta, Butler, Ann. & Mag. Nat. Hist. ser. 5, 
vol. iii. p. 190 (1879). 
2, Foot of Jakwa Mt., Henga-Nkamanga, Jan. 29th, 1895. 
“ Black-tipped light-chrome Yellow; ova oblong and sharp- 
poimted, not spherical” (2. C.). 
This is probably a seasonal form of 7’. senegalensis. 
74. TERIAS DESJARDINSII (seasonal form 7. regularis). 
Terias regularis, Butler, Ann. & Mag. Nat. Hist. ser. 4, vol. xviii. 
p- 486 (1876). 
2, Henga, W. of Lake Nyasa, Jan. 24th, 1895. 
** Black-bordered Yellow ” (R. C.). 
An interesting example of the female, showing the dotted 
margin to the secondaries characteristic of typical 7. desjardinsii. 
75. TERACOLUS OPALESCENS. 
Q. Teracolus opalescens, Butler, Ent. Month. Mag. xxii. p. 30 
(1886). 
The male of this form has the black more largely developed than 
in any of the other members of the 7’. eris group, excepting perhaps 
T. abyssinicus (the male of which is unknown to me): the pattern 
of the primaries is almost the same as in 7’ eris, but the apex is 
more purple in tint with the spots upon it golden ochreous, the 
wings are moreover decidedly broader; the secondaries show a 
marginal series of well-defined black spots; the colouring below 
is milky white; the veins of the primaries tipped with black, the 
