LEPIDOPTERA HETEROCERA. 125 



ciles; tibiae posticoe calcaribus quatuov mediocriter longis. Ala? 

 angustae, breviuscula? ; anticae acuminata?, apud costam recta?, mar- 

 gine exteriore sat obliquo vix undulato. 



Body stout. Head short. Proboscis long. Palpi short, very 

 thick. Antenna? clavate, shorter than the thorax. Abdomen nearly 

 twice the length of the thorax, with silvery dots on each side. 

 Legs slender ; hind tibia? 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 tbe 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 fasciis ob- 

 liquis angustis obscurioribus, gutta discali maculaque apud 

 angulum interiorem nigris, costa cervina nigro conspersa ; 

 posticce lutece, nigro marginatce. 



Sphinx Idricus, Drurg, 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 ; ciliae 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,/. Sierra Leone. Presented by the Rev. D. F. Morgan. 



Genus 14. CH.EROCAMPA. 



Corpus plerumque sat gracile. Caput conicum, obtusutn. Pro- 

 boscis longa. Antenna? serratae, thorace paullo longiores. Abdomen 

 longum, oblanceolatum, apice valde acuminatum. Pedes graciles, 

 longi ; coxa? fasciculatae ; tibia? postica? calcaribus quatuor longis. 

 Ala? angusta? ; antica? apud costam subrecta?, apice peracuta?, mar- 

 gine exteriore perobliquo fere recto ; posticae subacuminata?. 



M 3 



