550 Mr. A. R. Wallace's Catalogue 



7. Macronota luctuosa, Vollenhoven. 

 Macronota luctuosa, Voll. Mem. Ent. i. p. 2b, pi. ii. f. 4. 



Hah. — Amboyna^ Ceram (Coll. Wall.) . 



This very distinct species is abundant in Ceram and 

 Amboyna, where it seems to replace the various forms of 

 M. regia, which are spread over almost all the rest of the 

 Archipelago. 



8. Macronota nigerrima, n. s. 



Nigra ; clypeo minime emarginato ; thorace convexo^ 

 subheptagono, bituberculato^ rugoso-punctato; elytris 

 basi latis, abrupte attenuatis^ ad suturam depressis, 

 pone humeros elevatis et foveolatis, lateribus trans- 

 verse rugosisj prope suturam valde striatis. 



Blacky shining, clypeus scarcely emarginate, finely 

 punctate, head somewhat tubercled between the eyes ; 

 thorax heptagonal, convex, coarsely punctured, with a 

 median furrow, and a polished eminence on each side of 

 it ; elytra broad at the base, abruptly sinuate below 

 the shoulders, sides nearly parallel, apex rounded, the 

 region of the suture depressed and deeply striate; at the 

 shoulder a short curved ridge, within which is a de- 

 pression, the sides transversely rugose ; beneath coarsely 

 punctate, scantily clothed with pale yellowish hairs ; an- 

 terior tibige broad, with two very stout teeth below the 

 apical spine ; sternal process short, rounded. 



Length 7^ lines. 



Hah. — Menado, N. Celebes (Coll. Parry). 



This curious species seems to come nearest to 31. 

 luctuosa from Ceram, from which, however, it is very 

 distinct. 



9. Macronota vidua, n. s. 



Nigra ; thorace creberrime punctate, linea mediana 

 punctisque quatuoj- albis ; elytris punctatis et 

 striatis, maculis duodecim parvis albis. 



Allied to M. luctuosa ; black, shining, clypeus with the 

 sides rounded, moderately emarginate, coarsely punctate ; 

 thorax densely punctured, a short median line, a spot on 

 the lateral margin, and at the anterior angle, white ; 

 scutellum with a small white spot ; elytra with a humeral 



