GENERAL CATALOGUE OF THE HOMOPTERA 
Published in independent fascicles, each containing a family. Orders 
for single fascicles and subscriptions to the whole should be sent to Z. P. 
Metcalf, Division of Biological Sciences, North Carolina State College, 
Raleigh, N. C., U. S. A. 
The parts already published are as follows: 
Fasc. IV. Fulgoroidea, Part 11. Tropiduchidae, by Z. P. Metcalf, 1954, 
176 pp. Price $1.75. 
