LEPIDOPTERA HETEEOCERA. 137 



Fa wd -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 albicla ; abdomen cervinum, lineis pallidioribuSj vittis 

 duabus lateralibus auratis ; alee antica lineis plurimis sub- 

 parallelis plus minusve angustis fuscis, gutta discali nigra ; 

 posticcB rubra, basi costaque nigris, margine . exteriore fus- 

 cescente. 



Var. f3. Thorax vitta media et alee anticce apud medium albido 

 testae ea . 



Var. y. Minor ; alee posticee rubra, fusco marginata. 



Sphinx Boechaviae, Fabr. Sp. Ins. ii. 148, 39; Mant. 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. Syst. iii. 1, 378, 70. Gmel. ed. Syst. Nat. i. 5, 



2386, 24. 

 Isoples Eson, Hubn. Verz. Schmett. 135, 1452. 

 Isoples Theylia, Hubn. 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. 



n3 



