82 Fa.mimks and Gknera ok 



crassls. E. mira. — Testaceo fulvo; antennarum apice, liaustcllo, 

 fenioribus posticis supenu', thoracis lineis quiiujue, lateralibus in- 

 torruptis, fuscanis ; alis flavidis. Calif." 



Megacytauus, Bigot, 1. c. — Empidic. 



" Q u a n q u a 111 a b e s t a b a n t c n n i s . Generis Oeydromyiae 

 vic'inuni, differt : Cellulis basalibus abbreviatis, et, discoidali loiigis- 

 sima, lata, subtrigona, vena transversali, fortissime sinuosa et 

 alarum marginis posticis proxinia, clausa. M. argenteus. — 5nini. 

 Cinereus, vittis quatour thoracis, liaustello, pedibus totis, abdominis 

 extreme apice, alarum macula stigmaticali minuta, nigris; abdo- 

 mine argenteo, alis hyalinis. Colorado." 



Hypocharassus Mik, Verb. Zool. Bot. Gesellsch. 1878, 627.— Doli- 

 cliopodidffi. 

 "J Hypostoma latum, sub oculos descendens absque tasnia trans- 

 versali elata, in parte inferiore convexum. Palpi exserti latiusculi, 

 obtusi, proboscidi crassae, obeste incumbentes. Antennae elongatje: 

 articulo primo superne setoso, secundo transverso, tertio lanceolate, 

 subtus exciso : seta apicali crassa, styliformi, biarticulata, articulo 

 primo brevi, secundo longiore ante apicem subincrassato. Frons 

 latissima, hypostomate brevior. ( )culi velutini. Thoracis dorsum 

 setulis dense obsituni, setis dorsalibus interioribus nuUis, ante scu- 

 tellum non impressum. Scutelluni seti quatuor marginalibus vali- 

 dioribus. Abdomen segmentis sex, subdepressum, postice obtusum; 

 ante incisuras setis nullis. Hypopygium inclusum, appendicibus 

 lamellatis, prominulis. Pedes validi : femori])us posticis setis praj- 

 apicalibus nullis, metatarsis posticis setis nullis, elongatis ; pulvillis 

 anticis reliquis pauUulum majoribus. Coxa? postica; seta porrecta 

 nulla. Alarum costa usque ad apicem nervi longitudinalis quarti 

 ducta; nervus longitudinalis tertius et quartus arcuati, apicem ver- 

 sus convergentes ; nervus longitudinalis sextus abbreviatus ; nervus 

 transversalis porterior segmento ultimo nervi longitudinalis quinti 

 longior." 



Page 5, line 10, read 'zweifluegelige'; line 13, read'europaeischen.' 

 " 37, line 23, read 'Rhabdopsklaphus'. 

 " 38, line 2(5, read 'Toxophora'; line 28, read 'Rhabdopsela- 



PHUS'. 



" 72, line 9 from bottom, read 'Therioplectes'. 

 " 73, line 2, insert: Verb. Zool. Bot. Gesellsch. 1878, 017-626. 

 " 76. line 6 from bottom, read '104'; the same correction in 

 Nos. 00 and 06. 



