154 ON A NEW GENUS AND SPECIES OF OEDEMERIDiE, 



penultimate joint considerably shorter than the preceding one, 

 the last joint dilated and obliquely truncated at the apex. Labial 

 palpi short, 3-jointed. Eyes transverse, oval and entire. Antennae 

 inserted near the front of the internal mai^gin of the eyes, 11- 

 jointed ; the basal joint longer than the two following ones 

 together, joints 2-4 of nearly equal lengths, 5-7 enormously dilated 

 externally — the 5th irregularly pyriform and concave, the 6th 

 broadly transverse and concave, the 7th longer than broad, cup- 

 shaped, rounded behind and truncate in front — 8th joint much 

 shorter and narrower, slightly dilated externally, 9th feebly dilated 

 externally, 10th and 11th cylindrical, the latter about twice as long 

 as the former. Prothorax longer than broad, narrowed behind ; 

 the sides rounded in front. Scutellum rounded behind. 

 Elytra elongate, parallel, rounded behind. Metasternum long, 

 emarginate behind, with a sharp spine on each side of the emar- 

 gination projecting over the posterior coxse. Abdomen with five 

 visible segments, the last segment bilobed. Legs : all the tibiae 

 with two apical spines ; the antei'ior and intermediate tarsi 5- 

 jointed, the posterior tarsi 4-jointed ; the penultimate joint of all 

 the tarsi strongly bilobed ; claws very slightly dilated at the base. 



Ithaca anthina, sp. n. 



Elongate, parallel, dark fuscous, somewhat shining, moderately 

 closely covered with fine grey pubescence ; prothorax and anterior 

 legs pale testaceous ; head, first two, and the 5th and 6th joints of 

 the antennae pitchy black ; the 3rd, 4th, 7th (except the margin), 

 and the dilated portions of the 8th and 9th joints reddish testa- 

 ceous. 



Head transverse, closely, irregularly and moderately strongly 

 punctured, broadly depressed in the middle, testaceous between 

 and in front of the antennae ; mandibles, except at the tips, and 

 palpi testaceous ; mentum pitchy black. Antennae almost as long 

 as the entire insect. Prothorax considei-ably longer than broad, 

 narrowed behind, moderately stx'ongly and irregularly pvmctured, 

 somewhat depressed both in front and behind, with an indistinct 



