492 Mr. R. Shelford's Studies of the Blcdticlie. 



posterior margin straight. Tegmina with ten costal veins, anterior 

 ulnar with five oblique branches, posterior ulnar simple. Wings with 

 eleven costals their apices incrassated, ulnar vein with-three branches. 

 Front femora armed on the anterior margin beneath with minute 

 piliform spines, armature of the other femora very sparse ; no 

 genicular spine on anterior femora. 



19. Phyllodromia laterifera, Wlk. 



Blatta laterifera, Walker, 1. c. p. 231 (1868). 

 $. Sarawak ( Wallace). 



20. Phyllodromia 2Jro])inqua, Wlk. 



Blatta ;pro23inqua, Walker, I.e. p. 228 (1868). 

 Blatta contigua, Walker, 1. c. p. 228 (1868). 



$. (jjrojmiqua). Macassar, Celebes ( Wallace). 

 %. {contigua). New Guinea {Wallace). 



21. Phyllodromia mnjuscula, Wlk. 



Blcttta majuscida, Walker, I.e. p. 139 (1869). 

 $. Chan-ti-bon, Siam {Mouhot). 



These three species are all large testaceo- hyaline forms 

 with broadly elliptical pronotum, broad tegmina with the 

 marginal area equalling half the total breadth. They 

 may be distinguished by the form of the supra-anal 

 lamina : — 



a. Supra-anal lamina triangular and cleft at the 



apex ; total length 17 mm P. propinqua. 



aa. Supra-anal lamina not cleft at the apex. 



b. Supra-anal lamina short, transverse ; _total 



length 18 mm P. laterifera. 



hh. Supra-anal lamina, slightly produced, trigonal ; 



total length 21 mm P. majuscula. 



22. Phyllodromia elegans, Wlk. 



Blatta elegans, Walker, 1. c. p. 226 (1868). 

 ^. Sarawak ( Wcdlaee). 



23. Phyllodro7nia picticollis, Wlk. 



Blcdta picticollis. Walker, 1. c. p. 140 (1869). 

 ^. Macassar, Celebes ( Wcdlaee). 



