Mr. R. Shelford's Studies of the Blattidx. 501 



wings and tegmina and the truncate or shortly produced 

 posterior margin of the pronotum ; they are smooth shin- 

 ing insects somewhat ovate in form. 



Sub-fam. BLATTINM. 



47. Methana oculata, Wlk. 



Periplancta oculata, Walker, 1. c. p. 152 (1869). 

 $. Australia. 



Synonymous with Methana, soror, Sss. 



48. Pclmatosilpha aterrima, Wlk. 



Periplaneta atevi'ima, Walker, 1. c. p. 151 (1869). 

 Pelmatosilpha lormstans, Dohrn. Stett. Ent. Zeit. xlviii, 

 p. 411 (1887). 



$. Peru. 



Kirby regards P. aterrima, Wlk., as synonymic with 

 Nyctibora tenehrosa, Wlk. (Syn. Cat. Orth. I, p. 108, 1904); 

 this is certainly erroneous, as tenehrosa is a true Nyetihora. 



49. Thyrsocera speciosa, Wlk. 



Ellipsidium speciosum, Walker, 1. c. p. 214 (1868). 

 Thyrsocera speciosa, Shelford. Trans. Ent. Soc, 1906, 

 p. 249, PI. xiv, fig. 5. 



$. " Eastern Archipelago " ( Wallace). 



Sub-fam. PANCHLOBINM. 



50. Leuco'phxa conferta, Wlk. 



Ischnoptera conferta, Walker, 1. c. p. 148 (1869). 

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



Testaceous. Head with large castaneous marking on the front, 

 extending to base of clypeus. Pronotum punctate, disc with a large 

 castaneous lyrate mark, margins hyaline. Tegmina serio-punctate 

 at base, testaceo-liyaline, veins castaneous ; both tegmina and wings 

 extend considerably beyond apex of abdomen. Sub-genital lamina 

 shortly transverse, an asymmetrical projecting lobe on the right side. 

 Legs testaceous, femora marked with castaneous towards apex. 



