340 DIPTERA OF NORTH AMERICA. [PART IV. 



1'!'. Goniomyia blanda 0. S. ; forceps from above and open. 

 IS. Goniomyia cogxatella 0. S. ; half the forceps, from above. 



19. GliopSioniyia tristissima 0. S. ; forceps from above, half open. 



19a. ovipositor of the same species. 



20. El'ioptera vespeetina 0. S ; half the forceps. 



21. Syniplecta punctipennis ili. ; forceps from above; a and b are 



horny. 



22. Cladlira FLAvoFERKroiNEA 0. S. ; forceps from the side ; a is con- 



vex, and seems to be horny inside ; c is the forceps. 



23. Liiniioplftila apkilina 0. S. ; forceps from above; the outer 



horny appendages have a longitudinal notch, represented on tig. 

 23a. 



24. Limiioplaifla ultima 0. S. ; forceps from below. 



25o L.ilMBiopIaila lcteipennis 0. S. ; forceps from above ; aa. mova- 

 ble appendages ; the outer ones horny. 



26. Limiaoplaila (©actylolalJis) mo.xtana 0. S. ; forceps from 

 above, closed (it is distiuguishe.l at once by the position of the 

 appendages). 



26a. the same, from the side ; a. inner horny points, protruding 

 when tlie forceps is opened. 



2?. LiniMopliila (PrionolalJis) kufibasis 0. S. : forceps from 

 above, open ; aa. large, strong appendages, serrated on the inside ; 

 bb. also horny, figured separately, 27a. 



276 is a slender, horny organ, which protrudes, when the forceps is 

 opened ; otherwise it is concealed. 



28. Eriocera fultginosa 0. S. ; forceps from above; aa are horny; 



lb soft ; c is curved downwards, like fig. 276. 



29. Eriocera (Arrlaenica) spikosa 0. S. ; forceps from above ; a. 



horny, 6. soft appendages ; cc. internal clutching apparatus ; the 

 latter is figured separately, fig. 29a ; at c? is a joint, by means of 

 which it is moved. 



30. Asasalopis inconstans 0. S. ; forceps from above, and half open ; 



it is difiicult to convey a correct idea of it in a drawing ; the horny 

 points,/, g, h, are all curved upwards ; the point/ is bifid (fig. 30a), 

 66 are soft ; cc hollow inside ; h is figured separately at 306. 



31. Bittacomorplia clavipes F. ; forceps from below. 



31a. the same, from above. 



