LEPIDOPTERA HETEROCERA. 
137 
Fawn-colour, paler and with a white stripe beneath. Head 
whitish on each side and beneath. Thorax and abdomen with two 
indistinct and interrupted gilded stripes. Thorax cinereous on 
each side, and with a cinereous middle stripe. Abdomen much 
paler on each side, with a double silvery white line, which is single 
towards the tip. Fore wings with a dark brown discal dot, and 
with a triple slightly oblique silvery stripe. Hind wings much 
paler, with a brown marginal band. Length of the body 10 lines ; 
of the wings 20 lines. 
a. Congo. Presented by Sir. J. Richardson. 
Group 2. 
Like the third European group. 
17. Ch^erocampa Eson. 
Viridi-fusca , subtus rufescente fulvescens ; capitis thoracisque 
latera albida ; abdomen cervinum , lineis pallidioribus, vittis 
duabus lateralibus auratis ; alee anticce lineis plurimis sub - 
parallelis plus minusve angustis fuscis , gutta discali nigra ; 
posticee rubree , basi costaque nigris , margine exteriore fus- 
cescente. 
Var. [3. Thorax vitta media et alee anticee apud medium albido 
testacea . 
Var. y. Minor ; alee posticce rubree, fusco marginatee. 
Sphinx Boechaviae, Fabr. Sp. Ins. ii. 148, 39; M ant. Ins. ii. 96, 
43; Ent. Syst. iii. 1, 371, 46. Sulz. Hist. Ins. pi. 20, f. 3. 
Gmel. ed. Syst. Nat. i. 5, 2381, 77. 
Var. Sphinx Pluto, Fabr. Sp. Ins. ii. 148, 40. 
Sphinx Eson, Cram. Pap. Exot. iii. 57, pi. 226, f. C. 
Var. Sphinx Theylia, Linn. Mus. Lud. Ulr. 360 ; Syst. Nat. i. 2, 
803,24. Clerck , Icon. pi. 46, f. 7, 8. Cram. Pap. Exot. iii. 1, 
58, pi. 226, f. E. Fabr. Sp. Ins. ii. 153, 60; Mant. Ins. ii. 
98, 67 ; Ent. Sijst. iii. 1, 378, 70. Gmel. ed. Syst. Nat. i. 5, 
2386, 24. 
Isoples Eson, H'ubn. Verz. Schmett. 135, 1452. 
Isoples Theylia, H'ubn. Verz. Schmett. 1455. 
C. Eson in Asia is very generally of small size, and in Africa 
of large size, but the latter variety also occurs in Asia. 
