1896.] FROM ARABIA AND SOMALILAND. 253 
21. TrRACOLUS LEO. 
Anthocharis leo, Butler, Ann. & Mag. Nat. Hist. ser. 3, vol. xvi. 
p- 397 (1865). 
Gs Zaila, Somaliland, 4th June (Capt. Nurse). 
This i is the form found at Kilimanjaro, where it is fairly common ; 
it is very constant in all the characters which distinguish it from 
T. acaste. 
22, TERACOLUS HALIMEDE. (Plate X. fig. 17.) 
3 2. Pontia halimede, Klug, Symb. Phys. pl. 7. figs. 12-15 
(1829). 
Var. 2. Pontia acaste, Klug, |. c. figs. 16, 17 (1829). 
Var. ¢ 2. Teracolus celestis, Swinhoe, P. Z. S. 1884, p. 435, 
pl. xxxix. figs. 1, 2. 
3, Lahej, 9th March (Col. Yerbury), 22nd May; 9, 23rd 
May, 1895 (Capt. Nurse). 
This heavily-marked form of the species seems to be very rare 
near Aden, the common types there being vars. acaste and ceelestis 
with intergrades. 
Var. acaste. 
Q, Aden, 21st March, 17th April; ¢,23rd April; 9, 9th May ; 
3 2, 5th June, 1895 (Capt. Nurse). 
Var. celestis. 
9, Aden, 20th January, lst and 6th February, 5th April; ¢, 
26th April; ¢ g, 8th May; 9, 5th June, 1895; 2 9,13th July 
and 25th October, 1894, 
23. TERACOLUS EUPOMPE. 
Pontia eupompe, Klug, Symb. Phys. pl. 6. figs. 11-14 (1829). 
3S, 2 Q, Zaila, Somaliland, 21st, 23rd, and 28th May, 1895 
(Capt. Nurse). 
Var.? 7. dedecora, Felder, Reise der Nov., Lep. ii. p. 184 (1865). 
3, Zaila, Somaliland, 18th June, 1895 (Capt. Nurse). 
24. THRACOLUS PHILLIPSI. 
Leracolus phillipsi, Butler, P. Z. 8. 1885, p. 772, pl. xlvii. 
Rete, Oe 
$, Somaliland (Capt. Nurse). 
25, TERACOLUS EVAGORE. 
2 (as ¢). Ponta evagore, Klug, Symb. Phys. pl. 8. figs. 5, 6 
(1829). 
_ 6. Anthocharis nouna, Lucas, Expl. Alg., Zool. ui. p. 350, pl. 1. 
fig. 2 (1849). 
3. Anthopsyche heuglint, Felder, Wien. ent. Monatschr. iii. p. 272 
(1859); Reise der Noy., Lep. ii. p. 185, pl. xxv. fig. 4 (1865). 
