LEPIDOPTERA HETEROGERA. 
125 
ciles; tibiae posticae calcaribus quatuor mediocriter longis. Alae 
anguste, breviusculae ; anticae acuminatae, apud costam rectae, mar- 
gine exteriore sat obliquo vix undulato. 
Body stout. Head short. Proboscis long. Palpi short, very 
thick. Antennae clavate, shorter than the thorax. Abdomen nearly 
twice the length of the thorax, with silvery dots on each side. 
Legs slender ; hind tibiae with four moderately long spurs. Wings 
narrow, rather short. Fore wings acuminated, straight in front ; 
exterior border rather oblique, hardly undulating ; interior border 
slightly concave towards the acuminated interior angle. Hind 
wings with the exterior border slightly excavated towards the inte- 
rior angle. 
1. Basiothia Idricus. 
Lcete viridis ; capitis thoracisque latera alba ; abdomen viridi- 
cervinum , guttis lateralibus argenteis ; alee anticce i asciis ob- 
liquis angustis obscurioribus , gutta discali maculaque apud 
angulum interiorem nigris , costa cervina nigro conspersa ; 
jposticce lutece , nigro marginatce. 
Sphinx Idricus, Drury , III . Exot . Ins. iii. 2, pi. 2, f. 2. 
Bright green, paler beneath. Head and thorax with a white 
stripe along each side. Abdomen greenish fawn-colour, with a row 
of silvery white dots along each side ; under side green. Fore 
wings with oblique slender darker bands, with a black discal dot, 
and a black spot on the interior angle ; costa fawn-colour, speckled 
with black. Hind wings luteous, with blackish borders ; cilie of 
the fore wings testaceous, black opposite the veins. Length of the 
body 12 lines ; of the wings 22 lines. 
a. Port Natal. From Mr. Plant’s collection. 
b — d. Port Natal. From M. Gueinzius’ collection. 
e,f. Sierra Leone. Presented by the Bev. D. F. Morgan. 
Genus 14. CH^ROCAMPA. 
Corpus plerumque sat gracile. Caput conicum, obtusum. Pro- 
boscis longa. Antennae serrate, thorace paullo longiores. Abdomen 
longum,, oblanceolatum, apice valde acuminatum. Pedes graciles, 
longi ; coxae fasciculate ; tibiae posticae calcaribus quatuor longis. 
Alae angustae ; anticae apud costam subrectae, apice peracutae, mar* 
gine exteriore perobliquo fere recto ; postice subacuminatae. 
