.388 TIPULID.E. 



from the Eocene of Aix seen by Osten Sacken in the Marseilles 

 Museum. 



Table of Species. 



1 Wings clear yenitaUs, Brim., p. 388. 



Wings with marks or spots, at least one or 

 two above the stigma 2. 



2. Thorax yellow, with distinct small black 



spots . " ; 3. 



Thorax either yellow, without spots, or dark 

 brown or blackish, with three dorsal stripes 

 present or absent 4. 



3. Thorax with five black spots on dorsum Jlavicosta, sp. n., p. 389. 



Thorax with a circle of ten small black spots [p. 390. 



Arranged towards the edge of the dorsum . circipunctata, sp. n., 

 4 A large mark like a ' 3 ' upside down, on the 



side of the thorax tridens, sp. n., p. 391. 



No such mark 5. 



5. Wing spots confined to two (over the stigma, 



or the stigma and praefurca) 6. 



Wing spots more numerous 7. 



G. Two spots over stigma ; thorax brownish [p. 392. 



yellow : wings yellowish vinaceobrunnea, Brun., 



One spot over stigma, one over pnefurca ; 

 thorax dark brownish black ; wings fuscous, fletcheri^ Edw., p, 393. 



7. Costa with almost continuous fasciated brown 



spots, with smaller spots in the remainder [p. 393. 



of the wing pukhripennis, sp. n., 



Costa with seven distinct brown spots, the 

 apical one very small 8. 



8. The oth longitudinal vein without a row of [p. 394. 



small spots semistriata, Brun,, 



'The oth longitudinal vein with such a row . semifasciata, Brun., 



[p. 395. 



278. Geranomyia genitalis, Brun. (PI. XI, fig. 7.) 



Geranomyia genitalis, Bruuetti, Rec. Ind. Mus. vi, p. 275 (1911). 



3 $ . Head blackish. Proboscis nearly as long as head and 

 thorax together ; palpi placed at the middle, all black. Antennae 

 black, joints not very distinct. Thorax light grey ; dorsum 

 mainly occupied by a large shining black spot, projecting broadly 

 forwards to the anterior margin. The linear depression behind 

 the suture wide, light grey, as are also the scutelluin and the 

 .middle part of the metanotum, the sides of the latter, with the 

 pleurae, being shining dark brown ; sides of thorax light grey. 

 Abdomen : dorsum blackish, belly yellowish. Genitalia of male 

 .unusually formed; a small square brown upper plate with an 

 underlying pointed piece ; a large pair of complicated claspers, the 

 first joint thick, hairy, brownish black, shining; the second of 

 equal or greater length, rather larger, oval, of roughened, sponge- 

 like appearance ; the first joint bearing a small concolorous, hairy 

 palp-like organ on the inner side, near the dorsum, below which 

 is a slender yellow semi-transparent hook, and below which again 



