/ 
yy- 
x*> 
Issued February 12, I9ii 
PORTO RICO AGRICULTURAL EXPERIMENT STATION, 
D. W. MAY, Agronomist in Charge. 
* 
Mayaguez, P. R. 
Bulletin No. 23. 
THE CHANGA 
x Q§ WEST INDIAN MOLE CRICKET. 
BY 
R. H. VAN ZWALUWENBUEG, 
Entomologist. 
UNDER THE SUPERVISION OF 
STATES RELATIONS SERVICE, 
Office of Experiment Stations, 
JJ. S. DEPARTMENT OF AGRICULTUB1. 
WASHINGTON: 
GOVERNMENT PRINTING OFFICE. 
1918. 
