Mr. C. O. Waterhouse on Madagascar Cetoniidaj. 75 



is pitchy. Thorax a little broader than long, obliquely nar- 

 rowed in front of the middle, subparallel posteriorly, only 

 very slightly sinuate at the sides, broadest at the posterior 

 angles, the base straight, with a pale yellow line all round 

 the margins, but not touching the posterior angles. Scutel- 

 lum yellow at the apex. Elytra deflexed at the sides and 

 apex, at the shoulders much broader than the thorax, then 

 suddenly narrowed, subparallel to the apex ; each elytron with 

 a rusty-yellow triangular spot at one third from the base ; 

 this spot is bordered posteriorly by a narrow yellow line ; a little 

 beyond this is a second yellow line, which ascends obliquely 

 towards the suture ; the apex is truncate and is bordered with 

 yellow. The second segment of the abdomen has a greenish- 

 yellow fascia; and the fifth segment is margined with the same 

 colour. The anterior tibige are tridentate in both sexes. The 

 pygidium in the male is oblong, rounded at the apex, and 

 thickly punctured, the punctures each having a very short 

 yellow hair ; in the female there is a very deep ovate impres- 

 sion at the apex. 



Sometimes the rusty spot on the elytra has a short curved 

 line above it on the side, and there is also another line con- 

 necting the spot with the suture. The sternal process is in 

 the form of an equilateral triangle, its sides sloping. 



Note. — In the same collection with the above there was a 

 male example of 8. discoidalis, differing from my original 

 type in having the discoidal patch on the thorax divided 

 into three black spots. 



Eucliilia vicipes. 

 Oblonga, nitida, viridi-olivacea ; elytris striis decern nigris impressis ; 



tibiis tarsisque piceis. 

 Long. 8 1 lin. 



This species is very close to E. costata, and might be easily 

 mistaken for it. It is, however, of a darker, more olive 

 green, tinged frequently with blue ; the thorax is less ample, 

 rather less convex ; the clypeus is less strongly punctured ; 

 the lines on the elytra are finer, and the lateral deflexed por- 

 tion is not bounded above by a well-marked ridge, but is more 

 gradual ; the upper part of the femora, the tibias, and tarsi are 

 deep pitchy red ; the three teeth on the anterior tibise are less 

 acute, extremely blunt in the female. 



Euchilia costifera. 



Oblonga, supra depressa, nitida, olivaceo-viridis ; thorace caDruleo 

 micante, discrete obsolete punctulato ; elytris lineis nonnullis 



