this is the archived July bulletin:
The Visa Bulletin for July 2007, posted on June 12, must be read in conjunction with the Update of July Visa Availability, posted on July 2.
this is the notes on August bulletin:
D. JULY EMPLOYMENT-BASED VISA AVAILABILITY
After consulting with Citizenship and Immigration Services, the Visa Office advises readers that Visa Bulletin #107 (dated June 12) should be relied upon as the current July Visa Bulletin for purposes of determining Employment visa number availability, and that Visa Bulletin #108 (dated July 2) is hereby withdrawn.
it says clearly, bulletin 108, dated July 2, withdrawn.