;m9 



Dexia quadrimaculata, Mas. 



Nigra; caput album ; thorax ccrvinus,niijro quadrivittatus ; abdomen tes- 

 taceum nigra vittatum ct qiiadrimaculatum ; antenna picece, basi 

 fulvcE ; pedes fiitvi, femoribus post ids nigra vittatiSf tarsis nigris ; alee 

 fusco-cinerece. 



Black : head ivith a silky white covering, clolbed beneath and behind 

 with white hairs; frontalia black; antennavia tawuy; facialia without 

 bristles; epistoma prominent : eyes bare : proboscis pitchy, slender, tawny 

 towards the base, longer than the chest ; palpi tawroj -. feelers tawny ; third 

 joint pitchy, linear, not reaching the epistoma, rounded at the tip, tawny 

 beneath towards the base, more than twice the length of the second ; sixth 

 black, slender, feathered to the tip with short hairs, more than twice the 

 length of the third : chest with a fawn-colour covering and with four black 

 stripes, outer pair of stripes interrupted, shorter and broader than the inner 

 pair; breast paler: abdomen testaceous, obconical, much longer than the 

 chest, ivith tivo black spots on each side, and with a black stripe which widens 

 from the base and occupies the whole breadth totvards the tip where there are 

 pale reflections : legs tawny ; hind-thighs striped with black totvards the tips ; 

 feet black : wings brownish gray ; pra;brachial vein forming a very obtuse 

 angle at its flexure, straight from thence till near the tip where it is slightly 

 bent inward ; lower cross-vein with two curves which are very slight = 

 alulae grayish with pale yellow borders : halteres yellow. Length of the 

 body 4i lines ; of the wings 5 lines. 



Brazil. 



Genus SARCOPHAGA, Meigen. 



The species here described may be grouped thus : — 



a. Third feeler-joint four times the length of the second Cynomyia. 



hirtipos. 

 a a. Third feeler-joint thrice the length of the second. 



b. Sixth feeler-joint feathered. 



c. Logs thickly clothed with long hairs, 



hirtipcs. 

 c c. Logs thinly rlolhcd with short hairs. 



