64 burmeister's odonata. 



9. liihelliila iinbiita Hoffm [aniise]KS [MS.], B. P. 850. [Urncis.] 

 Von Bahia, auch aus Surmam ; g-emein. 



One male and one female, in the M. C. Z., each with the written 

 pin-label "Bahia", and the printed pin-label " Winthem", may be 

 types. 



The male lacks the last six abdominal segments. In hoth % and 9 the brown 

 at the apex of the wings begins on the front wings slightly proximal to the mid- 

 dle point of the pterostigma (and is 3.5 9,3'^ mm. long), on the hind wings 

 slightly distal to that point (2.5 ^ 2 % mm. long) ; there are no hypertrigonals 

 on the front wings % ^ , nor on the hind wings of the % , but there is a single 

 hypertrigonal on both hind wings of the 9 ; discoidal triangles of all wings % Q 

 with one cross-vein : front wings % 9 with one submedian cross-vein and the 

 internal triangle of 3-cells. Hind wings % 9 with three submedian cross-veins 

 (four on right hind wing of the 9 ), but no internal triangle. 



Total length ^ — 9 33, Abdomen 'J, -. 9 22, front wing 'S 2~ 9 29, hind 

 wing ^ 26 9 28, pterostigma (f. w.) ^ 4. 9 4. 



This species is the type of the genus TJracu Kambur. See Mr. 

 Kirby's notes on variation in neuration (Ann. Mag. Nat. Hist. — 6 — 

 xix, p. 605, 1897). 



10. L.ibelliila fastigiata B. P. 850. [Urads.] 

 Von Bahia. 



In the M. C. Z. one male with the written pin-label " L. fastigiata 

 Burm. Bahia", and the printed pin-label "Winthem". 



% type. The brown at the apex of the wings begin.s at the inner (proximal) 

 end of the pterostigma and attains a length of 7 mm. (front) or 6 mm. (hind 

 wings). One hypertrigonal on all the wings, all discoidal triangles with one 

 cross-vein; front wings with five (right) four (left) submedian cross-veins, inter- 

 nal triajigle two-celled (left), three-celled and irregular (right) ; hind wings with 

 three (right) four (left) submedian cross-veins but not forming an internal triangle. 



Total length 39 mm., abdomen 27, front wing 35, hind wing 33.5, pterostigma 

 (f. w.) 5. 



11. IJbellula lateralis B. P. 850. [Trithemis.} 



griseo-testacea, temporibus thoracisque lateribus nigro-variegatis ; 

 abdominis naarg-ine laterali apiceque nigro ; alls subfumatis, posticis 

 in basi fulvis, stig-matibus nigris. Long-. 1,V' 



Von der Comorischen Insel St. Johanna: mehrere Weibchen In 

 Sommer's Sammlung-. 



Belongs to the group Mit drei Zellenreihen hinter dem Dreieck der 

 Vorderfliig-el, welche bis liber die Mitte des g-anzen Feldes hinaus- 

 gehen and Fliigelmahl -wohl 4-5 mal so lang- wie breit. 



One female under the blue drawer-label "lateralis Burm. Ins. 

 Com. Sra." in B.'s baud, at Halle ; no pin-label. 



One female, in the M. C. Z., with written pin-label " L. lateralis 

 Burm. * coll. Somer. Comor. Insel St. Juan" in Has^en's hand. 



