BORNEAX DRAGDNFLIES. 



335 



Legion Agriox. 



144. Oi\yCHARGIA ATROCYANA SeljS. 



Onychargia atrocyana Kirby, Cat. Odonata, p. 139 ; Kriiger, 

 Stettin. Eutomol. Zeitg. 1898, p. 118; Ris, Nova Giiioea, xiii. 

 Zool. 2, pp. 94-95 (fig. 13). 



1 (S . Mt. Muriid, 18. xii. 14. Yeiy adalt, lacking the last four 

 abdominal segments. 



145. Ceriagrion cerinorubellum (Brauer\ 



Ceriagrion c&ri)iorubelhcm Kirby, Cat. Odonata, p. 154; Kriiger, 

 Stettin. EntomoL Zeitg. 1898, pp. 119-120; Ris, Abli. d. 

 Senckenberg Naturfors. GeselJscli. xxxiv. p. 519; id., Tijdschr. 

 V. Entomol. Iviii. 1915, p. 13 (sep.) ; Laidlaw, Rec, Indian Mus, 

 xvi. part ii. p. 188. 



26 6' 4tli Mile, Rock Rd., Sarawak, 30.xi.09. 'S d 6 . Retuli, 

 16.V.14. 



146. Ceriagrion bellona Laidlaw. 



Ceriagrion bellona Laidlaw, Sarawak Mus. Journal, ii. 1916, 

 p. 274. 



2 6 6- Mt. Matang, xii. 13. I 6 ■ Kinabalu, ix.l3. 



Ab commences before the level of Ac. Wings in adult lightly 

 tinged with yellowish brown. Excision on hind-margin of tenth 

 abdominal segment A-shaped. Lower anal appendages (of male) 

 about twice as long as upper pair. Head orange-brown above, 

 greenish white below. Prothoj-ax :ind synthorax coppery brown 

 above, yellowish green below% Abdomen : first segment coppery 

 brown, second to sixth carmine, seventh to tenth dull brown. 



Abd. 28-5 mm., h. w. 20 mm. 



147. Pseudagrion microcephalum (Ramb.). 



Fseicdagrion )aicroce2)halum Kirby, Cat. Odonata, p. ] 53 ; Ris, 

 Supplement Entomol. no. 5, 1916, pp. 40-43 (figs. 13-19); 

 Laidlaw, Rec. Ind. Mus. xii. pp. 23-24 (fig. 1) ; Ris, Ann. Soc. 

 Entomol. Belg. 1911, p. 235. 



1 $ (damaged). 4tli Mile, Rock Rd., Sarawak. 



Dr. Ris gives a full synonymy of this species, and a description 

 of several races characterized by the shape of the anal appendage 

 of the male (Ris, Suppi. Entomol. loc. cit.). 



The Bornean species seem to be below the average in size. 



148. PSEUDAGRIOX PRUINOSUM (Burill.). 



Pseiuiagrion 2Jrninosicni Is^irhy , Ciit. Odonata, p. 153; Kriiger, 

 Stettni. Entomol. Zeitg. 1898,' p. 119; Laidlaw, Sarawak Mus. 

 Journal, ii. 1916, p 275 ; Ris, Nova Guinea, xiii. Zool. 2, 

 pp. 97-98 (fig. 18). 



