t82 SOUTH-AFRICAN BUTTERFLIES. 
F. Zululand. — Etsliowe {A. M. Goodrich). St. Lucia Bay (the late 
Colonel H. Toiver). 
H. Delagoa Bay. — Lourengo Marques {Mrs. Monteiro). 
II. Other African Regions. 
A. South Tropical. 
a. AVestern Coast. — "Angola (/. J. Monteiro).^'' — Druce. Congo: 
Kinsembo (Ansell)." — Butler. 
h. Eastern Coast. — " Querimba." — Hopffer. 
hi. Eastern Interior. — " Kilima-njaro (F. J. JacJcson).^^ — Butler. 
B. North Tropical. 
a. Western Coast. — Cameroon Mountains (D. Rutherford). Calabar. 
— Coll. Hewitson. Cape Coast Castle (/. M. Pask). " Accra : 
Aburi ( W eigle).^^ — Moschler. 
Genus CALLIDEYAS. 
Callidryas, Boisduval " Lep. Amer. Sept., p. 73 (1833);" Sp. Gen. Lep., 
i. p. 605 (1836). 
Colias, Latr. (part), Enc. Meth., ix. p. 10 (1819). 
,, Swains., Zool. Ulustr., i. pi. 5 (1820-21). 
Callidryas, Doubl., Gen. D. Lep., i. p. 66 (1847). 
„ Trim., Rliop. Afr. Aust., i. p. 67 (1862). 
,, Butl, Cist. Ent.j i. p. 46 (1870); and (Monograph) Lep. Exot., 
(1869-74). 
Catoj^silia, Fhcebis (ITiibner, 1816, part), Callidryas, and ApJirissa, Butl., 
Lep. Exot., pp. 154-155 (1874). 
Catopsilia, Moore, Lep. Ceylon, i. p. 121 (1881). 
„ Distant, Rhop. Malay., p. 295 (1882-86). 
Imago. — Head broad, clothed with short, compact, very dense hair, 
projecting frontally in an acute ridge ; palpi very short, not rising 
nearly to level of top of head, strongly compressed, densely clothed 
with closely-appressed scales, which are longer and partly hair-like 
inferiorly, — basal joint long and curved, — middle one much shorter, — 
terminal one very small and short (except in the female of some 
species, in which it is considerably elongated and slender) ; antennce 
short, stout, straight, very gradually thickening into an elongate, cylin- 
drical, truncate club. 
Thorax robust, clothed with close silky hair (very long posteriorly) 
above, and with densely- packed furry scales beneath. Wings thick, with 
strong projecting nervures. Fore-ivings truncate, rather prominent 
and sub-acuminate at apex ; costa usually finely serrated (in ^ only), — 
beyond basal curve scarcely convex till towards apex ; hind-margin 
very slightly concave in the middle ; inner margin more or less convex 
near base and very slightly concave in middle ; costal nervure two- 
thirds length of costa, or rather more; subcostal nervure four-branched, 
— first nervule given off usually before (but sometimes at or a little 
beyond) middle of discoidal cell ; second a little before (sometimes 
only just before) extremity of cell ; third and fourth either about mid- 
