GENERAL CATALOGUE OF THE HOMOPTERA 
Published in independent numbers, each containing a family. Orders 
for single fascicles or numbers 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. 
Fasc. IV. Fulgoroidea, Part 12. Nogodinidae, by Z. P. Metcalf, 1954, 84 * 
pp. Price $1.00. 
