PLATE XJ. 



Fig. 1. EXOULOSSUM MAXILLINGUA. Lcs. 



" 2. HiruorsiM proone. Co/jc. 



" 3. HrrsiLEi'is kentukiensis. Raf. 



" 4. Ceratiohthys prostiikmuls. Cope. 



" 5. CSBATIOHTHTS IIIUUTTATU.S. Kirll 



