BORiS^EAX BRAGDXFLIES. 335 



Legion Agrion. 



144. Onychargia atrocjyana Selys. 



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

 Stettin. Entomol. Zeitg. 1898, p. 118 ; Ris, Nova Guinea, xiii. 

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



1 S . Mt. Muvud, IB.xii. 14. Yery adult, lacking the last four 

 abdominal segments. 



145. Oeriagrion cerinorubellum (Brauer\ 



Ceriagrion cerinoruhellam Kirby, Oat. Odontita, p. 154; Kriiger, 

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

 Senckenberg Naturfors. Gesellsch. xxxiv. p. 519; id., Tijdschv. 

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

 xvi. part ii. p. 188. 



2 c? J . 4th Mile, Rock Rd., Sarawak, 30.xi.09. 3 J d" . Retuh, 

 16.V.14. 



146. Ceriagriox bellona Laidlaw. 



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

 p. 274. 



2 6 6- Mt. Matang, xii. 13. 1 J ■ Kinabalu, ix. 13. 



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. Prothorax and 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.). 



Pseudagrion microcephalum Kirby, Cat. Odonata, p. 1 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 5 (damaged). 4th Mile, Rock Rd., Sarawak. 



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

 of several races chara,cterized by the shape of the anal appendage 

 of the male (Ris, Suppl. Entomol. loo. cit.). 



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



148. Pseudagrion pruinosum (Burm.). 



Pseudagrion jyruinosum 'Kivhy ^ Q-At. Odonata, p. 153; Kriiger, 

 Stettin. Entomol. Zeitg. 1898, p. 119; Laidlaw, Sarawak Mus. 

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

 pp. 97-98 (fig. 18). 



