U. S. NATIONAL MUSEUM 



PROCEEDINGS, VOL. 65, ART. 12, PL. 1 



Ljyolita, . 



L.„u^cfe.^o,»f<z 



4 



L.. tvinrtefnetnoc 



M.aweneafxct 



Mar 



lOa 



}if.o.bscura. 



S, oatustlatnellata 

 II 



12 



Structural Details of Lonchaeidae and Sapromyzidae 



ION Of PL^TE SEE PAGES 25 AND 2> 



