72 INSECTA SAUNDERSIANA. 



Genus THELIA, Amyot et Serv, 



Group 2. 



Subgroup 2. Fairm. 



Thelia reversa. 



Testacea, T. expansffi afflnis, minus convexa ; cornua lateralia lanceolata, 

 non ohliqiia ; carina dorsalis nigra punctata, aniice erecta, postice 

 obliqua et abdomen sat superans ; alee vitrecB., venis pallide testaceis ; 

 antics gutta apicali cinerea. 



Testaceous ; allied to T. expansa, but with the hindward slope of the 

 prothorax much less abrupt. Lateral horns lanceolate, horizontal at right 

 angles with the prothorax ; the length of each equal to half the breadth of 

 the prothorax between them. Dorsal keel marked with black points, 

 vertical above the head to the crest, sloping gradually from thence to the 

 acute tip, which extends some distance beyond the abdomen. Wings 

 vitreous ; veins pale testaceous. Fore wings with a gray dot close behind 

 the tip. Length of the body 4 lines; of the wings 9 lines. 



Mexico. 



Subgroup 3. Fairm. 



Thelia notata. 



Pallide svhlutca; prothorax dense punctatus ; cornua lateralia vix con- 

 spicua; cornu dorsale erectum compressum sat altum, apice rotun- 

 datum, lateribus nigro notatis ; carina dorsalis vix convexa, vix 

 attenuata, apice acuta, abdomen paullo superans ; alee vitrece ; anticce 

 casta lutescente punctata, apicetn versus fusca maculam vitream 

 includente. 



' Pale dull luteous. Head and prothorax thickly punctured. Pro- 

 thorax with two rudimentary lateral horns, between which there is an 

 upright compressed rather high horn, marked with black on each side and 

 rounded at the tip. Dorsal keel hardly convex above, very slightly 

 tapering from the base to the tip, which is acute and extends a little 

 beyond the abdomen. Wings vitreous. Fore wings pale luteous and 

 punctured along the costa for half the breadth and for much more than 

 half the length ; apical part of the cosla brown, excepting a vitreous spot. 

 Length of the body 3 lines ; of the wings 6 lines. 



South America. 



