Dragonjlits finni Surra Leone . 219 



Interpolated cells at anal aiiglo of f. and external an^le in 

 anal loop ; Aj nioderaftdy an^^ulati'd. -1-5 rows between A3 

 and ed^e in liind win^, conspicuously arraiif^cd in transvcr.se 

 rows. 31eml)raiiule moderate. l*tero.sti;j;ina sn)all. 



Ci/anotheiuis simpsoni, sp. n. 



Collected for the Imperial Bureau: 1 ^, Sierra Lcoim, 

 Yana, 1. iv. 1012; 1 c? , S. L., Monj^'lieri, 15. ix. Uil2 

 {Dr. J. J. Simpson). ColUciion of Brit. Aluseum : 1 (^ , 

 1 ?, Soutlieni Ni^^eria, Osliun Bridge, Usliogbo, i.-iii. 191,'i 

 {Or. II. St radian). 



(£ (adult, Yana). — Labium black, at anlero-lateral tiWf^lc 

 of lateral lol)e a brownish spot. Lnbruu), tace, and frons 

 anteriorly brownish l)lack. Fr<>n-< above brilliant sky-blue. 

 Vertex at l)ase and anteriorly black, sky-blue above. Occi- 

 pital trianjrle li;iht blue, narrowly lined with whitish. Pro- 

 thorax black, upraised posterior lobe li.^lit blue. Thoracic 

 dorsum brilliant sky-blue from narrow black line on median 

 suture to siifrhtly mc're than hallway to humeral suture, 

 including antealar sinus; otherwise Llackisli. Sides very 

 dark reddish brown ; ventral surface blackish brown, very 

 slightly bluish pruinose. Legs brownish black. Abdominal 

 segments 1-2 black, 3-7 dull bluish (sky-blue in living in- 

 sect V), t?-10 black. Ventral surface black, mo lerately Avhitish 

 pruinose. Appendages small ; superiors distant at base, con- 

 vergent, ending rather abruptly in an acute point; in side- 

 view obliquely cut at end, no distinct inferior angle, about 12 

 small irregular denticles ; inferior appendage broad, niorc^ 

 than three-fourths the length of superiors. Geidtalia of 

 second segment : anterior lamina depressed, broadly elliptical, 

 ciliate. Hamulc small, depressed posteriorly ; external 

 branch triangular, acute, directed laterally ; internal branch 

 a small fine hook, strongly curved laterally. Lobe long and 

 narrow, strongly depres.-ed posteriorly, slightly higher than 

 Iwunide (the entire stiucture of the type found in Crocothtmis 

 and lihoilotheniis). 



Wings hyaline, very narrowly and diffusely lined with 

 greyish at tips. Deep blackish brown basal spots: in front) 

 wing in 8c. and cu. not fully to Anr^. 1 and Ouq. ; in hind 

 wing to Anq. 3 in sc. (also in proximal half of length in c), 

 a little into hf. and t., and obliquely cut to halfw.iy between 

 apex of membranule and anal angle ; margins of spot a little 

 lighter. Membianulo black. Pterostignia dull ochreuus. 



Anq. nj-: !'^- ^^^' ^^'^ ^''''- ''^^ P^- ^- 



cJ (subjuv., Mongheri). — Like first (type) specimen, but 



