534 CATALOGUE OF 



with ridges; hind tibiae with two rows of stout black-tipped spines, those 

 on the inner side a little longer than those on the outer side. Length of 

 the body 27 lines. 



The much smoother body, the conical fore part of the head and the 

 broader antennae distinguish this species from P. dentatus. 



a. East Africa. Presented by Earl Russell. 



3. PAMPHAGUS B RE vis. 



Foem. Nigricans, brevis ; caput et prothorax tuberculata ; caput antice 

 conicum excavalum acutum ; antennae breves, lanceolatce ; prothoracis 

 crista alia, valde rotundata, postice subdentata; segmentorum abdo- 

 minalium margines postici unidentati; femora postica lata, supra 

 spinulosa. 



Female. Blackish, short. Head and prothorax tuberculate. Head 

 in front excavated and acutely conical above, with two keels beneath. 

 Antennae short, not dilated, tapering from the third joint to the 13th. 

 Keel of the prothorax very high and much rounded, acute in the middle of 

 the fore border, more acute in the middle of the hind border, near which it 

 is slightly dentate. Hind borders of the abdominal segments acutely 

 dentate in the middle. Hind femora deep, with a few minute spines 

 beneath and with one row of small spines above ; disk of the outer side irre- 

 gularly tessellated with ridges ; hind tibiae with two rows of stout whitish 

 black-tipped spines, those on the inner side longer than those on the outer 

 side. Length of the body 16 lines. 



The shorter body, the more acute cone of the head, the shorter 

 antenna and the more rounded keel of the prothorax, distinguish it from 

 P. apicatis. 



a. Natal. From M. Gueinzius' collection. 



4. PAMPHAGUS LINEOSUS. 



Mas. Piceus^ subtus fulvus ; caput supra fulvum nigro bivittatum, 

 antice conicum el incisum ; antenna lanceolatce, proiknrace breviores ; 

 prothorax tnberculatus, albo bivittatus, crista alia spinosa, margine 

 postico produclo acuto ; tibice quatuor anteriores spinulosce : tibia 

 posticce apices versus ruffe ; tarsi postici ruji ; alee cinerece, fusco 

 venosce ; aloe posticce venis posterioribus albidis. 



Male. Piceous, tawny beneath. Head above tawny, with a black 

 stripe on each side, conical and bilobed in front of the eyes ; front rugulose, 

 with four keels, of which the inner pair are strongly marked and diverge 

 much towards the mouth. Eyes ferruginous, elliptical, oblique, pro- 

 minent. Antennae flat, lanceolate, shorter than the proihorax. Prothorax 

 tuberculated, with a high crest which is armed with strong irregular 

 spines; a short slender white stripe on each side; hind part acute, much 

 elongated. Four anterior tibiae with a few very minute spines; hind tibiae 

 red towards the tips, armed with two rows of stout pale testaceous black- 

 tipped spines ; hind tarsi red. Wings cinereous; veins brown. Hind 



