3 1 Mr. F. Walker's Characters of undescrihed Diptera 



other two ; abdomen tessellated ; tip tawny ; legs black, stout ; 

 wings grey; veins black, normal ; alulae whitish. 

 Length of the body 3 lines ; of the wings 6 lines. 

 Mexico. 



Sarcophaga forlipes. 

 Mas. — Atra, robusta, capite albido, frontalibus atris antice 

 latescentibus, palpis subclavatis longiusculis, thorace vittis 

 quatuor albidis interlineatis, abdomine nitente pilosissimo 

 apice rufo, pedibus validis, femoribus tibiisque posterioribus 

 dense ciliatis, alis cinereis basi ex parte nigricantibus, alulis 

 nigricante cinereis. 

 Male. — Deep black, stout : head whitish, more cinereous on the 

 vertex ; frontalia deep black, widening in front ; epistoma promi- 

 nent ; palpi subclavate, rather long; thorax with four interlined 

 whitish stripes ; abdomen shining, very pilose and with some 

 spines towards the tip, which is red ; legs stout ; posterior femora 

 and tibiae densely ciliated ; wings grey, partly blackish at the 

 base; veins black, normal ; alulae blackish grey. 



Length of the body 7 — 9 lines; of the wings 13 — 16 lines. 

 Haiti. 



Sub-Fam. MUSCIDES. 

 Genus Calliphora, Desv. 

 CalUphora femorala. 

 Fcem. — Cyanea, valida, lata, viridi purpureoque varia, vertice 

 nigricante, frontalibus ferrugineis, palpis fulvis, antennis rufe- 

 scentibus, thorace subcinereo antice viridi, humeris pectore et 

 abdominis basi testaceis, pedibus fulvis, tibiis tarsisque piceis, 

 alis obscure cinereis, costa basali et apicali fusca, vena prae- 

 brachiali angulum obtusum subrotundatum fingente intus 

 apicem versus subarcuata, vend discali transversa sub-undu- 

 lata, alulis obscure cinereis. 

 Female. — Blue, stout, tinged with green and purple : head 

 testaceous, large, prominent in front; vertex blackish ; frontalia 

 ferruginous ; palpi tawny ; antennse reddish, reaching the epi- 

 stoma ; third joint very long ; thorax with slight cinereous to- 

 mentum, green in front ; humeri, pectus and base of the abdomen 

 testaceous ; legs tawny ; tibiae and tarsi piceous ; wings dark grey, 

 brown along the costa near the base and also near the tip ; veins 

 black; praebrachial vein forming an obtuse and somewhat rounded 

 angle at its flexure, very slightly curved inward from thence to 

 its tip, which is very little in front of the tip of the wing; discal 

 transverse vein undulating, parted by hardly half its length from 



