Reprinted from Entomologica Americana 



Vol. XI, (new series) No. 1, pp. 1-80 



Date of Issue: November 14, 1931 



No. 2, pp. 81-160 (pis. 1-36 and explanations) 

 Date of Issue: December 7, 1931 



No. 3, pp. 161-256 (pis. 37-84 and explanations) 

 Date of Issue: December 9, 1931 



No. 4, pp. 257-351 (pis. 84-125 and explanations) 

 Date of Issue: December 21, 1931 



