APPENDIX. 339 



rugulose towards the mouth ; vertex with a slender, 

 smooth, furrowed line. Thorax slightly covered with 

 dark cinereous tomentum. Abdomen dark blue. Wings 

 and alulae blackish ; veins black. Length of the body, 

 10 lines ; of the wings, 18 lines. 



Fam. MUSCID^E. (Latr.) Sub-Fam. TACHINIDES. (Wlk.) 



Genus EURIGASTER. (Macq.) 

 Eurigaster septentrionalis. N. S. 



Fcem. Nigra, setosa, latiuscula ; capite argenteo- 

 cinereo ; vertice aurato ; frontalibus atris ; palpis rufes- 

 centibus ; antennis aristae dimidio incrassato ; thorace 

 vittis quinque cinereis ; scutelli apice piceo ; abdomine 

 cinereo subtessellato ; alis cinereis. 



Female. Black, setose, rather broad. Head silvery 

 cinereous, gilded above ; frontalia deep black, widening 

 in front ; facialia bordered with bristles along most of 

 the length from the epistdma. Palpi reddish. Antennae 

 extending to the epistoma ; third joint linear, rounded 

 at the tip, full six times the length of the second ; 

 arista incrassated for half the length from the base. 

 Thorax with five cinereous stripes ; scutellum piceous 

 at the tip. Abdomen slightly tesselated with cinereous, 

 very bristly towards the tip, a little longer than the 

 thorax. Wings cinereous ; veins black ; prsebrachial 

 vein forming an obtuse angle at its flexure, straight 

 from thence to its tip. 



Order HEMIPTERA. Sub-Order HOMOPTEKA. 

 Fam. CICADID.E. (Weitm.) Genus CICADA. (Linn.) 



Cicada occidentalis. N. S. 

 Fcem. -- Nigra, subtus albido-tomentosa ; facie et 



Z 2 



