19141 Bowditch—N otes on Aulacophora Olivier 135 
In Nov. Zoélog. vol. i, pp. 299-300, Mr. Jacoby described 
Oides unifasciata and suturalis, calling attention to the produced 
metasternum, imitating to some extent the genus Doryphora, four 
nearly allied additional forms have occurred and are here made 
known. Mr. Jacoby further intimates a new genus for his forms, 
but I have allowed all to remain in Oides for the present: the two 
Jacoby species and also the new ones are rather more chunky and 
robust than the other species of Oides and may be almost picked 
out by the shape alone. 
Oides confusus sp. nov. 
Convex ovate, shining; head, antenne and below, mostly black, thorax flavous, 
elytra reddish fulvous, with a common broad basal black band, not attaining the 
lateral edge and a large round subapical spot on each elytron black. 
@ with metasternum produced into a well marked obtuse process, last ventral 
segment obtuse, impressed on either side. 
Type Q@ Milne Bay, Br. N. Guinea (coll. Bowditch). Length, 12 mm. 
Imitates 0. rubra Blanch. in size and color, but more convex and wider, antenns 
attaining the rear edge of basal black band with the two or three basal joints more 
or less fulvous, third and fourth equal and longer than the others, head with a few 
fine punctures and an impressed line on the front, thorax very finely punctulate 
over its entire surface and all the angles rounded, scutellum smooth, truncate be- 
hind, elytra finely punctulate over the entire surface, abdomen edged with rufous 
spots, the cox and base of the femora are also more or less tinged with rufous, 
probably mixed with rubra in many collections. 
Oides binotata sp. noy. 
Convex, elongate, shining rufous, mouth, eyes, thorax and a large median lateral 
spot on each elytron black. co and 2 with metasternum produced into a well- 
marked obtuse process. 
Type: & Q Kapour Holl, N. Guinea (Friihstorfer) coll. Bowditch. Length, 
11 mm. 
Head with a few faint punctures on the front, which is smooth and shining with 
a faint median line, antenn reaching the middle of the elytra, thorax shining, faintly 
impressed on either side, rather strongly, evenly punctured, sides strongly margined, 
the angles obtuse, the anterior ones slightly reflexed, scutellum with apex obtusely 
rounded, elytra smooth, shining, oblong, rather strongly and evenly punctate, the 
sutural margin somewhat thickened posteriorly, the black spot on each elytron is 
transversely rounded and a trifle nearer the lateral edge than the suture; the meta- 
sternum process, with the color easily separate this form. 
Oides gahani sp. nov. 
Ovate flavous, eyes, antennz except base, elytra except anterior third, black, 
the flavous part of the elytra being narrowest at the scutel and from there curved 
back to meet the lateral margin at about the middle, @ and 9 with metasternum 
produced into a well marked obtuse process. 
