i82 SOUTH-AFRICAN BUTTEEFLTES. 



F. Zululand.— Etshowo (.4. M. Goodrich). St. Lucia Bay (the late 



Colonel II. I'otcer). 

 n. Delagoa Bay. — Louren(;o Marques {Mrs. Monteiro). 



II. Other African Regions. 



A. South Tropical. 



a. Western Coast. — " Angola (J". /. Monteiro)." — Druce. Congo : 



" Kinsembo (Ansell)." — Butler. 



b. Eastern Coast. — " Querimba." — Hopffer. 



bi. Eastern Interior. — " Kilima-njaro {F. J. Jaclsoii)." — Butler. 



B. North Tropical. 



a. Western Coast. — Cameroon INIountains {D. Rutherford). Calabar. 

 — Coll, Hewitson. Cape Coast Castle (/. M. Pasli). "Accra : 

 Aburi ( TFezr/Ze)."— Moschler. 



Genus CALLIDIIYAS. 



Callidriias, Boisduval " Lep. Araer. Sept., p. 73 (1833);" Sp. Gen. Lep., 



i. p. 605 (1836). 

 Colias, Latr. (part), Enc. Meth., ix. p. 10 (1S19). 

 ,, Swains., Zool. lUustr., i. pi. 5 (1820-21). 

 CalUdryas, Doubl., Gen. D. Lep., i. p. 66 (1847). 

 „ Trim., Rhop. Afr. Aust., i. p. 67 (1862). 



,, Butl., Cist. Ent., i. p. 46 (1870); and (Monograph) Lejx Exot., 



(1869-74). 

 Catojisilia, Phcehis (Iliibner, 1816, part), CalUdryas, and Apltrissa, Butl., 



Lep. Exot., pp. 154-155 (1874)- 

 Cafoj^silia, Moore, Lep. Ceylon, i. p. 121 (18S1). 

 ,, Distant, Rhop. Malay., p. 295 (1SS2-S6). 



Imago. — Head broad, clothed with short, compact, very dense hair, 

 projecting frontally in an acute ridge ; ^;rt/^H very short, not rising 

 nearly to level of top of head, strongly compressed, densely clotliod 

 \vith 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) ; antennae 

 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. Forc-unngs truncate, rather prominent 

 and sub-acumiuate 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 ; tliird and fourth either about mid- 



