328 



MR. F. F. LAIDLAW ON 



117. Dysph^a limbata Sely.s. 



Dysphcea Imibata Kiiby, Cat. Odonata, p. 40. 

 'd> (S (S ' Tatau. 1 c? . Baram {C. Hose coll.; no date). 

 The male from Baram belongs to the race semilimbata of Selys. 

 It is without the black costal line between the nodus and ptero- 

 stigma of the fore-wing. All the specimens have the hyaline 

 parts of the wings suffused with yellows-brown. 



S . (Baram), Abd. 34 mm. -1-1 -5 mm., h. w. 30 mm. 

 (S . Tatau. Abd. 35 mm. -f 1-5 mm., h.w. 30*5 mm. 



LlBELLAGIN^. 



118. RniNOCYPiiA BisERiATA Selys. 

 RJiinocypha hiseriata Kirby, Cat. Odonata,, p. 113. 



Very closely related to li. anr/usta Selys from Sumatra and 

 to It perforata Perch, from Malacca and Lower Siam. The 

 group is Indo-Chinese and Sondaic in distribution. 



1 1 9. RniNOCYPHA KARScni Kriiger. 



Rhiiiocypha karschl Kriiger, Stettin. Entomol. Zeitg. 1898, 

 pp. 83-85 ; Laidlaw, Proc. Zool. Soc. London, 1902, p. 90. 

 4 d . Limbang, ix.09. 



The species stands alone, without, so far as I know, near allies. 

 It is confined to the Soiidaic area. 



120. *IIhinocypha stygia Forster. 



Rhinocypha stygia Forster, Ann. Soc. Entomol. Belg. xli. 1897, 

 pp. 210-211. 



121. Rhinocypha moultoni Laidlaw. (Text-fig. 1,«, 6.) 



Rhinocypha moultoni Laidlaw, Proc. Zool. Soc. London, 1915, 

 p. 35. 



4 6 5 $ . Kinabalu, Sept. 1913. 



The adult female of this species resembles that of R. stygia 

 Forster very closely, to jndge at least by Forster's rather brief 

 description. But the fully adult male is so brightly coloured 

 about the body — mnch more so than the female — that I do not 

 think it possible that stygia, which is entirely black about the 

 body, can be merely a very adult specimen of the same species. 

 The four males of moultoni that I have been able to examine are 

 fully mature, and it is interesting to find that they retain on the 

 abdomen the colour-pattern characteristic of the teneral female, 

 which is lost in the mature female. For whereas the male 

 retains the paired dorsal spots of the abdonjen from segment 2 

 to 9 as rich orange-red marks in addition to the yellow paired 

 lateral marks, these dorsal marks are entirely lost in the fully 

 adult female, but are veiy conspicuous in newly-emerged females 

 as large lemon-yellow areas covering about thr-ee- quarters of the 



