428 
ZOOLOGICAL LITERATURE. 
B. Four posterior cells. 
1. Inner marginal cell almost an equilateral triangle, 
25. Oryptolahis (O.-S.). 
2. Inner marginal cell of the usual elongated shape. 
a. Wings conspicuously hairy on the whole surface. . 
16. Ithypholophm (Kolen.). 
b. Wings hairy along the veins 17. Erioptera (Meig.). 
c. Wings not conspicuously hairy, veins glabrous. 
* First submarginal cell not more than half as long as second. 
a. Marginal cross vein 0 23. Guniomyia 
/3. Marginal cross vein present .... 24. Empeda, g. n. 
t First submarginal cell much more than half as long as second, 
a. Distance between subcostal cross vein and tip of auxiliaiy 
vein more than twice the length of great cross vein, 
a. Seventh longitudinal vein straight. 
18. Trimict'a (O.-S.). 
h. Seventh longitudinal vein bisinuated. 
20. Symplecta (Meig.). 
/3. Distance between subcostal cross vein and tip of auxiliary 
vein moderate. 
a. Body uniformly black 21. Gnophomyia (O.-S.). 
h. Body black, scutellum and pleura) marked with yellow. 
22. P&iloconojia (Zett,). 
The Limnophilina include 4 genera, namely : — 
I. Wings pubescent 29. Ulomorpha, g. n. 
II. Wings glabrous. 
A. Seventh longitudinal vein very short, abruptly incurved towards anal 
angle 30. Trichocera (Meig.). 
B. Seventh longitudinal vein normal. 
1, A supernumerary cross vein between auxiliary vein and costa. 
27. Epiphragma (O.-S.). 
2. No supernumerary cross vein 28. (Macq.). 
The Anisomerina are divided as follows ; — 
I. Three posterior cells. 
A. One submarginal cell 32. Cladolipes (Loew). 
B. Two submarginal cells 31. Anisomei'a (Meig.). 
II. Four or five posterior cells. 
A. Stigma occupying whole space between tip of auxiliary vein and mar- 
ginal cross vein 33. Eriocera (Macq.). 
B. Stigma occupying less space 34. Penthoptera (Schin.) 
The Amalopina (^^Pediciceformia, O.-S. olim) include: — 
I. Antennae 16- or 17-jointed. 
A. Four posterior cells; wings pubescent . . 37. JT/a (Hal.). 
B. Five posterior cells ; wings glabrous. 
1. Small cross vein nearly at right angles to middle line of wing. 
35. Amalopis (Hal.). 
2. Small cross vein very oblique 36. Pedicia (Lat.), 
