176 mr. j. s. baly on some genera 



Table. 



I. Vertex and front on each side with an elevated ridge. 



1. Frontal ridges transverse 8. palliata. 



2. Frontal ridges oblique. 



a. Elytra black 7. orientalls. 



aa. Elytra flavous, with black markings . . 11. hipartita. 



3. Frontal ridges perpendicular. 



b. Elytra black 9. frontalis. 



hh. Elytra flavous, with black markings . . 10. fraudulenta. 



II. Vertex and front without elevated ridges. 



1. Elytra flavous, with black markings. 



a. Antennae with their outer half 



black 12. Olivieri. 



aa. Antennae flavous 13. occipitalis. 



2. Elytra black 14. IcBvifrons. 



1. AuLACOPHOEA ANALis, Weber. 



Galeruca anahs, Weber, Obs. Ent. p. 55, 1810; Fabr. Syst. El. i. 

 p. 482. 



Subelongata, postice paullo ampliata, flava, nitida, thorace transverso, 

 vix pone medium transversim sulcato; elytris infra basin obsolete 

 depressis, tenuissime punctatis, opacis, utrisque plaga magna humerali, 

 ad basin et ad marginem exteriorem adfixa, alteraque pone medium, 

 subrotundata, ssepe ad marginem extensa, nigris aut caeruleo-nigris^ 

 Long. 31-4 lin. 



A. " Abdominis ano et margine, tibiis tarsisque nigrescentibus." 



B. Pygidio, abdomine, tibiis tarsisque nigris. 



C. Abdomine pygidioque flavis, hoc saepe nigro-piceo tincto, tibiis 

 tarsisque ut in B. 



Mas. Abdominis segmento anali trilobate, lobo intermedio quadrato- 

 oblongo, disco leviter concavo, medio elevato-vittato. 



Fern. Abdominis segmento anali apice obtuso, medio obsolete emar- 

 ginato. 



Sab. Sumatra, Celebes, Sulu Islands, Philippines. 



Antennae slender, filiform in both sexes ; the third joint rather 

 longer than any of the following ones. Thorax rather more than 

 one half broader than long ; sides nearly straight and parallel, 

 sometimes slightly diverging from the base to the middle, very 

 slightly converging towards the apex anteriorly; disk smooth, 

 impuuctaie, impressed iuiuicdiately behind the middle with a 



