1. The oriental roach or " black beetle " : male. 



2. The oriental roach or " black beetle " : female. 



3. The German roach or " croton bug " : male. 



4. The German roach or " croton bug " : female, with egg case. 



5. Egg of bed-bug. 



6. Bed-bug. 



7. Caterpillar of a " clothes-moth " in its case. 



8. One of the common " clothes-moths." 



9. The " buffalo moth " or " bug." 



to. The parent beetle of the " buffalo moth." 



11. Egg of a flea. 



12. A flea larva. 



13. The common dog flea. 



14. The little red house-ant. 



All of the flgures are very much enlarged and most of them were re-drawn 

 from the Bulletins and Reports of the Division of Entomology, U. S. Department 

 of Agriculture. 



