195 [Scudder. 



eyes, and a spot on either side in the middle, yelloTv; two spots on the 

 middle of the dorsum of prothorax and its posterior lobe yellow ; dor- 

 sum of thorax as far as the middle of anterior wings reddish-black with 

 purphsh reflections (in Hfe dark greenish-brown) striped with bright 

 lemon-yellow (as in life) as follows : — a middle line expanded anteri- 

 orly, a straight antehumeral narrow stripe on either side, slightly 

 divaricating anteriorly, thickened posteriorly, bent downwards and 

 blurred anteriorly, a narrow humeral stripe, shaped like a brace, the 

 central angle directed backwards, also the humerus and a minute ante- 

 humeral transverse spot yellow ; pleura of thorax bright lemon-yellow 

 (as in life) with two approximate central stripes, nearly or quite 

 straight of purplish-black (in life dark greenish-brown) ; legs black, 

 interior of fore femora luteous ; wings hyaline, an indication of ful- 

 vescence at the extreme base, especially of posterior pair ; pterostigma 

 fuscous ; membranule black ; abdomen pitchy black (as in life) ; a broad 

 lateral stripe extending from base of abdomen to middle of fourth 

 segment, an abbreviated lateral stripe on segment 5, the base of seg- 

 ments 5 and 6 narrowly, and a large spot at base of 7 not reaching the 

 lateral edge but extending over more than half of the segment, excised 

 in the middle posteriorly and divided by a median black line, yellow 

 (in life bright lemon-yellow) ; terminal segment with four indistinct 

 yellow dots ; appendages black ; genital lobes bent towards and touch- 

 ing one another, broader and truncate at tip, black ; anterior branch of 

 genital hamules short, simple, conical, testaceous ; posterior branch tes- 

 taceous, narrowed in the middle, directed strongly backwards, the 

 basal halves divaricate, apical halves approximate and touching at tip, 

 which are broad, denticulate and black, at the base interiorly and pos- 

 teriorly a minute reddish unguiculus directed backwards, their tips 

 divaricate; 10-11 antecubitals; 7-8 postcubitals; three rows of dis- 

 coidal areolets, then two, then three again. 



Length 1.6 inches; alar expanse 2.52 inches; pterostigma .12 inch. 

 1 $. 



Mesothemis Gundlachii nov. sp. 



6 . Vertex and front dull green, the upper part of the face a little 

 infuscated (in life grass-green) ; vertex bi-tuberculated ; mouth luteous 

 (in life lemon-yellow) ; thorax, both dorsum and pleura, dull, slightly 

 olivaceous-green (in life grass-green), the incisures reddish-brown; 

 humerus edged with black ; legs black, base of all the femora and the 

 inside of fore femora pale; wlngshyaline with black veins; pterostigma 

 luteo-flavescent ; membranule black ; abdomen black marked with 

 brownish-yellow (in life grass-green) ; segments 1-3 brownish-yellow 

 with black incisures, the third with a subdoi-sal band of black on the 



