EXPLANATION OF PI.ATK XI. 



Fig. I. — Comaciipes cavicornisvax.borneensis (type). Head from above, x 2: 

 ,y I"- Ditto Head from the side, x 2. 



2.—Comacupes cavicornis var. laevicornis (regd. no. "f ). Head from above, 

 X 2. 



-«• Ditto Head from the side, x 2. 



26. Ditto Mentum, etc., x 4. 



„ i.—Comacupesstoliczkae {type}. Head from above, x 2. 



3«- Ditto Head from the side, X 2. 



^■—Comaciipes masoni (type). Head from above, x 2. 



4''- Ditto Head from the side, x 2. 



5-—Com(icHpes cylindracciis (regd. no. 'H.'). Head from above, x 2. 



5". Ditto Head from the side, X 2. 



6.— Another form of the sanie species (from a specimen in the British 

 Museum). Head from above, x 2. 



f^c- Ditto Head from the side, X 2. 



y.—Taciiioceyus bicanthatiis (regd. no. •=*«-). Head from above, x 2. 



7«- Ditto Head from the side, x 2. 



7*- Ditto Mentum, etc., X 4. 



S.—Taeniocerns pygmaeiis (regd. no. ^). Head from above, x 2. 



8rt. Ditto Head from the side, x 2. 



g.—Taeniocenis bicuspis (regd. no. '^). Head from above, x 2. 



9«- Ditto Head from the side, X 2. 



,, io.~Aulacocychis andrewesi (from the type in Mr. Andrewes' collection). 



Head from above, x 2. 

 .. io«. Ditto Head from the side, X 2. 



,, II. — Ceracupes misteni (type). Head from above, x 2. 

 ,. ii«- Ditto. Head from the side, x 2. 



,, i2.~Ceracupes fronticornis (regd. no. «f' ). Head from above, x 2. 

 ,, 13.—Pleurarius brachyphyllns (regd. no. «5f). Head from above, x 2. 

 ,, I3«- Ditto Mentum, etc., x 4. 



,, 14.— Tiberioides kuwerti [xQgA. no. ^'^^). Head from above, x 2. 

 „ 15- — Tiberioides misteni (type). Head from above, x 2. 

 M I5«- Ditto Mentum, etc., x 4. 



,, 16.— Episphenus moorei (regd. no. ^"). Head from above, x 2. 

 ,. i6fl. Ditto Mentum, etc., x 4. 



„ 17.— Episphenus peai'soni' (type). Head from above, x 2. 

 „ 18.— Episphenus comptoni (regd. no. °-f^"). Head from above, x 2. 

 ,, i8a. Ditto Mentum, etc., x 4. 



,, ig.—Epispheftus comptoni var. flachi (regd. no. *•,';" and 5lli'). Frontal area, 



etc., X 3, showing the variability of the shape of this area. 

 ,, iga. Abnormal mentum of another specimen (regd. no. -'^f) x 4. 

 ,, 20.— Episphenus indtcus, large specimen (regd. no. '•^). Head from above, x 2. 

 ,. 20a. Ditto Mentum, etc., X 4. 



,, 206. Same species, small specimen (from a specimen in the Bombay Natural 



Hi.story vSociety's collection). Head from above, x 2. 

 ,, 21.— Episphenus neelghcrricnsis (regd. no. ';'.f). Head from above, x 2. 

 ,, 2ia. Ditto Mentum, etc., x 4. 



,, 22.— Ophrygonius cantori (regd. no. '^"). Head from above, x 2. 

 ,, 22fl. Ditto Mentum, etc., X 4. 



,, 2^.— Ophrygonius cantori var. dunsiriensis (type). Mentum, etc., x 4. 



' E. moorei, see above, p. 281. 



