Ord. VJI. F. I.y Tlpulcuiae. 269 



xnrdia cdlula uiia (riscnidali ft pcrf(>cl;i ; cclUiIis (|iia- , 

 tnor aliis iniperfcclis , lcrniinafibns ; piiirn c. >ii])n'ar- 

 £;iiuili acViicia tl illiiis niaj^uiiiuliiTc ; sccnnda rl (ii.;iila 

 longilii(Iinalil)us , ah aica scapul;ui orii^Incm (liirciili- 

 l)us, ncrvo loiii^iliidiMali , ad apicem l>i(ido el ccllulnni 

 terliauj includcite, se})ar;itis; liis ccllulis. co-ialibus 

 exccptis, subobsol. tis. Tarnj , saltcm poslici , arliculo 

 primo quani in gcneribus pra^ccdciuibus longiorc. 



Simulium rrp^ans, L.4TR. Ilisr. ncit. de-' Cnist. ct cles Insect., 

 tom. i4 , p. 294 ; Culex rcptaux, I-iii. ; Tijuila erjtrocepha^a , 

 VB Geer. Mrm. ■ur Ifs Insect. , fom. 6 . pair. 45 1 , pl. 28, 

 fi;. 3.6; Bcbio efytrocephalns , Oliv. ; Scuthopse reptans , 

 Fal). ; Jtractncera regrlationis , l\li:iG. C/ass. und Besch. , 

 tom. \ , pag. g4; Schell. Dipl., tab. 58 , fig. ?< ; Coc>ur.s. 

 Illust. Icon. Insect. , drc. , 3, la/>. 23,/^. 7 ; Tipida rege!a- 

 lionis LiiinaM , F;>hricii , ijitcnni.s tliorace p;oilo longioribus 

 abdomiin' t(Mini , a Siiimliis (listinrhi. 



Simnliaelsi ininn tissiina moleslissima tamen ; Amcricauorum 

 Mousliques, 



F A M I L T A S E C U N D A. 



S T R A T 1 O M Y D -i:. ST R A T I O 31 Y I) E S. 



OnsERVATioNEs. Jntenncp rapitis faciei meclio , fronlcm ver- 

 sus, pleriuiKpie iiiscrta.' , ;d basin coiitignas , porieclap , deinde 

 divergenles , capilis Iriinciqne diniidii ad sumnuim Jongiliuline, 

 6£ppius breviores , arliculo S' cnndo Viicx iore , nllimo semisphae- 

 rico , forma vario , subfnsiformi , c\ lindrico-conico , subo\ali, 

 trans^erse diviso : illiiis apice s ylifonni aut sela snppe ms- 

 truelcy. f^aZ/a biarliculaii ; arlicnlo primo par\o, cylindrico , 

 in noniiuHis membranaceo ; nllimo mnlto majore , exlror- 

 suui crassiore , subcylindrico , vel snbo\alo aut subgloboso. 

 Froboacis , labiis exceptis, iu cavilale orali retracla , mem- 



