Mr. F. Walker on undescribed Species of Homoptera. 307 



Q Dictyophoba semtreticueata. Mas. Testacea, gracilis ; caput lan- 

 ceolatum, compressum, quadrilaterale, sulcatum, piceum ; prothorax 

 transversus, arcuatus ; mesothorax apice albidus ; ala3 hyalinse, venis 

 pallidis ; anticse vemdis transversis apicalibus stigmateque uigris. 



Male. Testaceous ; slender. Head porrect, lanceolate, compressed, 

 grooved, quadrilateral, piceous above, except towards the base, as long 

 as the thorax ; its depth about twice its breadth. Prothorax arched, 

 more than twice as broad as long. Mesothorax whitish at the tip. 

 Wings hyaline ; veins pale. Fore wings with a black stigma, and with 

 numerous transverse black veinlets towards the tip. Length of the 

 body 5 lines ; of the wings 8 lines. 



Natal. 



yS 



Genus Thessittts. 



Mas. Corpus latum. Caput thorace angustius ; vertex transversus, 

 marginatus, tricarinatus ; frons lasvis, plana, lateribus dilatatis. Pro- 

 thorax brevis, antice convexus, postice rectus. Mesothorax trigonus. 

 Abdomen apice dense lanuginosum. Pedes breviusculi, femoribus 

 tibiisque dilatatis. Alse anticse lata3, opacae, subrugulosas, apice rotun- 

 datse, costa margineque exteriore subconvexis, venis venulisque trans- 

 versis plurimis. 



Male. Body broad. Head narrower than the thorax ; vertex trans- 

 verse, with three slight ridges bordered by a rim, straight in front, 

 concave along the hind border ; front flat, smooth, transverse, forming 

 a conical protuberance on each side. Prothorax short, convex in front, 

 straight behind. Mesothorax triangular. Abdomen thickly floccose 

 at the tip. Legs rather short ; femora and tibiae dilated. Fore wings 

 broad, opake, slightly rugulose, rounded at the tips ; costa and exterior 

 border slightly convex, the former prominent towards the base ; veins 

 numerous, extremely numerous exteriorly, as are also the transverse 

 veinlets. 



Allied to^Elidiptera. 



Thessitus mortifolia (PI. XV. f. 4). Mas. Fulva ; alse anticse lituris 

 transversis paucis nigris, extus albido-cinerese punctis nonnullis trans- 

 versis submarginalibus nigris, subtus basi laete virides vitta discali lata 

 coccinea ; posticse albee, fascia maculari nigra. 



Male. Tawny. Fore wings with a few transverse black marks, 

 dingy whitish exteriorly, with some transverse submarginal black 

 points ; under side bright green at the base, and with a broad bright- 

 red discal stripe which proceeds from the green part. Hind wings 

 white, with a black macular band beyond the middle. Length of the 

 body 6 lines ; of the wings 22 lines. 



Siam. /" 



Genus Elidiptera, Spinola. 



Elidiptera alba. Mas. Alba ; vertex sidcatus, bicarinatus, antice nigro 

 marginatus ; frons carinata, submarginata ; prothorax nigro vittatus ; 



