106 Bulletin of the Brooklyn Entomological Society Vol. XV 



face with ventral row on proximal half or two-thirds ; femur 

 straight : tibia straight : tarsus not shorter than tibia. An- 

 terior and posterior rows of bristles of middle femur present 

 on proximal half ; posterior " comb " present ; sub-mesotibial 

 bristle absent ; anterior surface with one long and one short 

 bristle and posterior surface with two short bristles, all close 

 to median dorsal ridge. 



Chcetotaxy. — Anterior dorsocentrals and acrostichals well 

 developed ; inner presuturals absent ; three pairs posterior dor- 

 socentrals ; prescutellar acrostichals strong ; scutellar apicals 

 present : three sternopleurals ; lower sternopleura with bristles 

 only. 



Abdomen. — Clothed above with short bristles, beneath with 

 longer, more erect hair. Vestiture of fourth ventral plate 

 erect. Posterior margin of fourth notum dull orange or red- 

 dish. Fifth ventral plate usually well exposed, yellowish 

 brown, with U-shaped opening wider proximally, on each side 

 of which is a shining pad-like structure and posterior to this a 

 " brush " of short bristles. 



Chcetotaxy. — Second segment without dorsal marginal bris- 

 tles, third with two. 



Genital Segments. — Dull orange, except that first may be 

 brownish anteriorly and dorsally and sometimes whitish pol- 

 linose posteriorly : first segment with marginal bristles, scant 

 hairy vestiture posteriorly : second with hairy vestiture longer 

 than that of first. Base of forceps dull orange, bent outward 

 at nearly right angles to prongs, vestiture short ; prongs dark- 

 ~ened, distal thirds divergent, in profile posterior surface with 

 minute spines ; tips bent forward. Accessory plate somewhat 

 drawn out and ending bluntly. Anterior claspers small, with 

 hairs on outer edge near base. 



Described from twelve male specimens. 



Range. — BritisiiXplumbia ; Savory Island, July lo, 1917; July 

 2, 4, 7, 8, 1918. (R. S. Sherman): United States: Arizona, 

 Tempe, 4-5-14, D. J. Cafifery. 



Holotype (male) ; collection of author. 



The holotype was collected on Savory Island on July 5, 1918. 



Sarcophaga apertella n. sp. 



This species is very similar to 5. savoryi and differs in the 

 following more essential characters : — paraf rontals and gense 

 dark grayish pollinose, slightly yellowish or brassy ; at narrow- 

 est part frontal vitta twice width of each paraf rontal ; arista 



