100 



caused by the roots of the hairs ; immediately after the jowls the lower 

 quarter of the back of the head is only slightly inflated and is whitish 

 grey, while a very narrow postocular rim runs up the rest of the back 

 of the head, which however bulges out at the top into the ashy grey 

 slightly inflated sides of the vertical space, these sides being separated 

 by a channel and so much so posteriorly that there is a conspicuous 

 fissure at the middle of the occiput ; pubescence on the jowls and all 

 the rest of the neighborhood of the mouth longer, denser, shaggier,, 

 and. pale yellow, which becomes conspicuously shorter a little up the 

 lower quarter behind an inconspicuous black postocular ciliation ; above 

 the lower third of the back of the head this postocular ciliation brows 

 lunger and more conspicuous until on nearly the upper half of the 

 head, and it becomes very conspicuously long, black and rather dense 

 right up to and including the vertical space, though the front part of 

 the vertex may very rarely have a few pale hairs ; the absolute back 

 of the head is ashy grey, bare, and considerably hollowed out. Frons 

 quite bare, yellowish grey but all the middle part deep black leaving 

 the elongate triangle which extends up between the eyes and is covered 

 with a yellowish grey tomentum being twice as high as broad. Pro- 

 boscis brownish black, on the stalk there is a long shaggy pale pubes- 

 cence behind and on the sucker-flaps a few very short dark one ; 

 palpi porrect, second joint yellow or yellowish covered with a whitish 

 grey tomentum, elongate somewhat equally ovate very inconspicuous- 

 ly curved near the tip, and bearing abundant but not all dense long 

 pubescence except on the base inner side, and this pubescence is mainly 

 black but to a greater or less extent mostly yellowish white about the 

 base ; basal joint darker grey, and bearing similar pale pubescence. 

 Antennae hardly one and a half times as long as the head ; basal joint 

 conspicuously dilated, elongate ovate, about twice as long as the width, 

 and shorter than the third joint, shining black but moderately obscured 

 by a whitish grey dust about the base extending on the inner side for 

 slightly more than the basal half, and bearing all over long rather 



