PEOMECOTHECA. 89 



the apex rounded ; above subcylindrieal, covered with large deeply 

 excavated punctures arranged in regular striae. Body beneath 

 black ; the head, prothorax, anterior femora and tibiae (base and 

 apex of the latter excepted) fulvous ; foiu- posterior thighs armed 

 beyond their middle beneath with an acute tooth ; hinder pair 

 slightly elongate. 



Hah. North Australia. 



British Musciun, and collection of J. S. Baly. 



4. Promecotheca Trilbyi, Thomson. 

 I7io7)tson, Rev. et Mag. de Zool. 1856, p. 117. pi. 5. fig. 6. 



P. elougata, subcylindi-ica, nitido-viridi-aenea ; elytris rufo-fulvis, 

 fortiter punctato-striatis ; thorace latitudine longiori, basi vix 

 ampliato. 



Long, 6^ Im. 



Hah. China. 



Collection of J. Thomson, Esq., Paris. 



5. Promecotheca Scorpio, Thomson. 

 Tliomson, Rev, et Mag. de Zool. 1856, p. 117. pl. 5. fig. 5. 



P. elongata, subcylindrica, viiidi-aenea, nitida ; elytris palHde fulvis, 

 opacis, fortiter punctato-striatis, striis ad apicem confusis ; thorace 

 basi ampliato, latitudine vix longiori. 



Long. 5^ lin. 



Hah. Pliilippine Islands. 



Collections of Major Parry, Messrs. G. Waterhouse, J. Thomson, 

 and J. 8. Baly. 



This insect differs from the last in the shape of the thorax, and 

 in the confused punctation of the elytra towards their apex. 



Species mihi ignotce, 

 6. Promecotheca cseriileipennis, Blanch. 



"P. I'ufcscens; antcnnis nigris, articulo primo rufo ; prothorace toto 

 rufo, lateribus lobato, basi transversim sulcato ; scutello concolore ; 

 elytris cyaneo-virescentibus, dense grosseque punctatis ; pedibus 

 rufiii, tarsis nigrescentibus. 



" Long. 10 mill. 



" Corps allonge, d'un ronx clau' et \if. Teto coiu'te, avec le front 

 sillonne transvorsalcment ; les manchbules noires. Antenues 

 cylincMques, ayant an moins la longueur de la moitie du corps, 

 noires, avec le premier article roux. I'rothorax completement de 

 cette coulour, luisant, faiblement carene au milieu, dilate de 

 chaque cote et arrondi, retreci en arriere, et offrant tres-pres du 



