DIPTERA. 
435 
T.T ■ . Tiierevid;e. 
New species : — > 
Thereua pallipes, Loew, Beschr. eur. Dipt. i. p. 121, and T. hehes^ Loew, /. c. 
|). 123, Sarepta. 
2 hereua albiceps, Loew, Berl. ent. Zeitschr. xiii. p. 166, British America J 
T. Jlavicificta, Loew, /. c. p. 168, N. Wisconsin ; T. gilvipes, Loew, 1. Ci p. 168, 
Massachusetts ; T. strigipes, Loew, he. p. 169, English River. 
Thereua comata, Loew, Berl. ent. Zeitschr. xiii. p. 7, California ] T. candi- 
data, Loew, 1. c. p. 8, Wisconsin. 
Psilocephala longipes, Loew, 1. c. p. 8, Cuba ; P. melampodia^ Loew, h c. p. 9, 
Illinois; P. munduy Loew, ibid., Wisconsin; P. laticornis, Loew, he. p. 10, 
Cuba ; P. melanoproctaj Loew, h c. p. il, Maine, Hudson’s Bay ; P. costalis, 
Loew, ibid., California; hnd P. rujiventrky Loew, 1. c. p. 12, Nebraska. 
Psilocephala variegata, Loew, h c. p. 170, Canada ; P. scutellarisy Loew, 
h c. p. 171, Columbia District ; P. ergthrurtty Loew, h c. p. 172, Middle States. 
. Leptiras. 
New species : — 
Leptis tonsa, Loew, Beschr. eur. Dipt. i. p. 29, Spain ; L. grcecida, L6ew, 
1. c. p. 32, Corfu ; L. Jlorentinay Loew, h c. p. 34, Florence; L. nigriventriiy 
Loewy 1. c. p. S3, Bavaria. 
Leptis griseola, Van der Wulp, Tijdschr. voor Ent. 2^® s6r. ii. p. 142, pi. 4. 
fig. 5, Wisconsin. 
Clirysopila dispar y Van der Wulp, 1. c. p. 143, pi. 4. figs. 6-11, Wisconsin. 
Chrysopila pnllay Loew, 1. c. p. 43, Germany ; C. hinotatay Loew, 1. c. p, 47, 
Greece ; C. sicula, Loew, 1. c, p. 49, Sicily ; C.palparisy Loew, h c. p. 50, Corfu ; 
C. ohsctiriharhay Loew, h c. p. 63, Rhodes ; C. pallipcsy Loew, /. c. p. 64, Makri ; 
C. pretiostty Loew, h c. p. 66, Naxos. 
Aihcrix piettty Loew, /. <?. p. 60, N. Russia, Siberia. 
Ptiolina fasciatay Loew, Berl. ent. Zeitschr. xiii. p. 164, and P. mqjuscida, 
Loew, h c. p. 165, Hudson’s Bay. 
Ptiolina lapidaria, Nowicki, Verh. naturf. Ver. in Briinn, vi. Abhandl. p. 74, 
pi. 2. fig. 1, Western Carpathians. 
Empidae. 
Loew (Berl. ent. Zeitschr. xiii. pp. 65-94) describes several species be- 
longing to the circles of Empis ciliatay E. stercoreuy and E. chiopteruy which 
have been detected since the publication of his papers in the 11th volume of 
the ^ Berliner Zeitschrift.’ Most of the species are described as new. E. 
crassa (Now.) is described (p. 77). 
Clinocera varipennis (Now.). The apex of the cJ abdomen is figured by 
Mik, Verh. zool.-bot. Ges. in Wien, xix. pi. 4. fig. 13, who also figures the wing 
of C. inermis (Loew), h c. fig. 16. 
New species : — 
Rhamphomyia tristriolntay Nowicki, Verh. naturf. Ver. in Briinn, vi. Ab- 
handl. p. 77, pi. 2. fig. 2, Tatra ; P. Ibiviy Nowicki, 1. c. p. 78, Tatra ; P. luridU 
pennisy Nowicki, 1. c. p. 80, Tatra ; P. siimdiuniy Nowicki, h c. p. 81, pi. 2. fig. 3, 
Tatra ; and P. JimbriatipeSy Nowicki, h c. p. 82, Lemberg. 
Empis. Loew (Berl. ent. Zeitschr. xiii.) describes the following new 
