210 THOMAS SAY FOUNDATION 



Two males and one female, all from Porto Rico ; 

 one male and the female are from the collection of 

 the American Museum of Natural History, collected 

 at Mayaguez, March 7-9, and Arecibo, March 1-4, 

 1914, respectively; the other male is from the Na- 

 tional Museum, collected at Mayaguez July 1, 1915, 

 by R. H. Van Zwalenberg. 



Holotype.— Male, No. 20544, U. S. N. M., 

 from Mayaguez. 



Allotype.— Female, No. 20544, N. S. N. M., 

 from same place. 



Holotype and allotype. — Male and female. No. 

 20544, U. *S. N. M., froin Mayaguez. 



No. 99. Sarcophaga hillifera n. sp. (/////a, a sausage). 



Male. Front .237 of head (average of five, — 

 .229, .233, .237, .240, .246) ; parafrontals and para- 

 facials silvery pollinoise, rather shining; frontal bris- 

 tles 10 or 11, rather weak above the middle, the rows 

 diverging moderately below, reaching the middle of 

 the second antennal joint. Ocellar bristles not dif- 

 ferentiated from hairs; parafrontals with rather nu- 

 merous erect hairs ; paraf acials with scattered hairs 

 near the eye not arranged in row^s. Antennce black, 

 third joint three times the second, reaching four- 

 fifths of the way to the vibrissa; arista plumose for 

 two-thirds of its length. Bucca almost half the eye- 

 height, with largely pale hairs ; back of head with three 

 rows of black hairs behind the eye and rather abund- 

 ant pale hairs centrally. Outer vertical bristles 

 slightly developed; palpi and proboscis black, ordi- 

 nary. 



Thorax with whitish pollen and 3 to 5 conspicu- 

 ous black stripes; ps dc indistinct except the hind- 

 most two or three, which diminish rapidly in size. 

 Ant acr none ; prsc very slender ; stpl with two large 

 bristles and numerous erect hairs, some of them rather 

 coarse; scutellum with two stout marginal bristles 

 and a fairly large apical pair, the subapical hardly 

 distinguishable from the long hairs of the disk. 



