me. 4 | 
- J.S. DEPARTMENT OF AGRICULTURE. 
| DIVISION OF ENTOMOLOGY. 
| BULLETIN No. 8. 
, PERIODICAL CICADA. 
AN ACCOUNT OF CICADA SEPTENDECIM AND ITS TREDECIM RACE, WITH 
A CHRONOLOGY OF ALL BROODS KNOWN. 
BY 
i 
j 
GEeSsea bes V. Riv Y, Pas: 
WASHINGTON: 
GOVERNMENT PRINTING OFFICE. 
1885. 
