EXPLANATION OF PLATE XIII. 



Fig. 40. — M acrolinus nicobaricïis (type). Head from above, X2. 



,, 40a. Ditto Anterior part of head from the side, X4. 



,, 41. — Macrolinus andamanensis (regd. no. ^-^). Head from above, X2. 



,, 41a. Ditto Anterior part of head from the side, X4. 



,, 42. — Macrolinus sikkimensis {type). Head from above, X2. 



,, 42a. Ditto. Mentum, etc., X4. 



,, 43. — Macrolinus rotundi/rons (regd. no. '■'^). Head from above, X2. 



,, 44. — Macrolimis waterhousei (regd. no. '^|^). Head from above, X2. 



,, 45. — Macrolinus latipennis (regd. no. ^\^^). Head from above, X2. 



,, 46. — Another specimen of the same species (regd. no. ?y5). Head from 



above, X2. 



,, 4y .—Gonatas germari (regd. no. ^-^). Head from above, X2. 



,, 4ya. Ditto Mentum, etc., X4. 



,, 48— Trapezochilus dorsalis (regd. no. ®^f ). Head from above, X2. 



,, 49. — Gnaphalocnemis hurmeisteri (regd. no. ^^^). Head from above, X2. 



,, 49a. Gnaphalocitemis monticulosus {regd. no. ^\^'). Head from above, X2. 



,, 50. — Gnaphalocnemis tridens (from a specimen in Mr. Andrewes' collection). 



Head from above, X2. 



,, 50ß. Ditto Mentum, etc., X4. 



,, 51. — Leptaulax humerosus {regd. no. ^jl). Head from above, X2. 



,, 52. — Leptaulax dentaius, large specimen (regd. no. ^^). Head from above, 



X 2. 

 ^, 52a. Ditto Mentum etc., x 4. 



^, 52&. Frontal areas of some specimens of the same species (regd. nos. ^-, ^^ 



^^), all taken from one colony, x 2. 

 ,, 52c. Frontal areas of specimens of the same species (regd. nos. ^^, ^, ^) from 



other colonies, x 2. 

 52^. Small specimen of the same species (regd. no. ^). Head from 



above, X2. 

 J, 53. — Leptaulax cyclotaenins, s. str. (regd. no. '^). Head from above, x 2. 



,, ^4.—Leptaiilax macassariensis subsp. anibarbis (regd. no. ^"). Head from 



above, x 2. 

 ^j 55. — Leptaulax anipunctus (regd. no. li|'). Head from above, x2. 



,, 56. — Leptaulax bicolor, s. str., large specimen (regd. no. ^^). Head from 



above, x 2. 

 ,, 56a. The same species (var. vicinus), small specimen (regd. no. —J). Head 



from above, x 2. 

 ,^ 57. — Leptaulax foepstorfi {regd. no. —■^). Head from above, x 2. 

 ,^ 58. — Leptaulax plamis (regd. no. '^-). Head from above, x 2. 



