160 Mr. Gr. C. Champion on the 



a\ Ventral segments 3-6 of <J without linear de- 

 pressed areas. [Africa, generally] Nos. 3-71. 



b l . Ventral segments 3-5 of 3 with linear depressed 

 areas. TPalaearctic and Asiatic] [Subgen. Zygia, 

 F.] , Nos. 72-75. 



II. Prothoracic carinse wanting, or, at most, indicated 

 near anterior margin. 



a. Anterior margin of prothorax very prominent in the 



middle in front, the prothorax itself convex or 

 gibbous: species larger and more robust, with the 

 elytra metallic and the prothorax and under surface 

 testaceous. [Somaliland] [Subgen. Pseudozygia, 

 Pic] Nos. 76, 77. 



b. Anterior margin of prothorax not or but little extended 



in front, the prothorax itself moderately convex : 

 species smaller and more depressed, black or 

 metallic, except in M.fulvipennis. [Africa, generally, 

 and Mediterannean Region*] [Subgen. Melyri- 

 della, n.] Nos. 78-80. 



Note. — Species belonging to I, a, b, and a 1 (Nos. 1-71) are 

 tabulated under six geographical headings in the accom- 

 panying text : S. Africa (Nos. 1-15), W. and W. Central 

 Africa (Nos. 16-23), E. and E. Central Africa (Nos. 24-46), 

 Somaliland (Nos. 47-55), Abyssinia (Nos. 56-64), and 

 N. Africa, &c. (Nos. 65-71) . 



Melyris. 



Melyris, Fabricius, Syst. Ent. p. 58 (1775) (type M. viridis, F.). 

 Zygia, Fabricius, loc. cit. p. 126 (type Z. oblonga, F.). 

 Pseudozygia, Pic, Ann. Mus. Genova, xxxix. p. 506 (1898) (type 

 P. riibricollis, Pic). 



Section I. 



South African Forms. 



a. Antennae long and loosely articulated, at least in rf. 



[Melyris, s. str.] Nos. 1, 2. 



1. Melyris viridis. 



Melyris viridis, Fabr. Sjst. Ent. p. 58 (1775); Oliv. Ent. ii. 21, p. 1, 

 t. 1. fig. 1 ; Gue>. Icon. Regne Anim. p. 50; Fairm. Ann. Soc. Ent. 

 Fr. 1888, p. 174. 



<J . Ventral segment 5 with a transverse arcuate ex- 

 cavation in the middle, broadly arcuate-em arginate at apex, 

 6 short, convex along the centre, angularly emarginate at 

 tip ; median lobe of aedeagus broad, subangularly dilated 



* M. granulata, F., and its N. African and Asiatic allies are not enume- 

 rated in this paper. 



