ILLUSTRATIONS 



FIGURE PAGE 



1. Visceral Anatomy of the Hen 14 



2. Menopon Biseriatum (large hen louse) 36 



3. Menopon Pallidum (small hen louse) 36 



4. Goniocotes Hologaster (chicken louse) 37 



5. Lipeurus Infuscatus (chicken louse) 37 



6. Goniodes Stylifer (turkey louse) 37 



7. Lipeurus Baculus (pigeon louse) 38 



8. Ova of the Goniodes Stylifer (louse egg) 38 



9. A Convenient and Inexpensive Spray Pump 42 



10. Sarcoptes Mutans Variety Gallinae (scaly leg mite). 44 



11. Scaly Legs (Scabies) 45 



12. Cytodites Nudus (air sac mite) 49 



13. Trombidium Holosericeum (chicken chigger) 49 



14. Dermanyssus Gallinae (chicken mite) 51 



15. Pulex Avium (chicken flea) 51 



16. Argas Miniatus (the chicken tick) 54 



17. Acanthia Inodora (chicken bug) 54 



18. Ascaris Inflexa (large round worm) 61 



19. Heterakis Papillosa, male and female 61 



20. Heterakis Papillosa, head magnified 61 



21. Heterakis Papillosa, caudal extremity of male 63 



22. Spiroptera Hamulosa (gizzard worm) 63 



23. Syngamus Trachealis (gapeworms) 64 



24. Taenia Infundibuliformis (a tapeworm of chickens). 69 



25. Nodular Taeniasis (tapeworm disease) 70 



26. Blood Smear Showing B. Avisepticus 80 



27. Enterohepatitis , 86 



28. Cloudy Swelling Due to Enterohepatitis 87 



29. Section Showing Enterohepatitis 88 



30. Blood Smear from Case of Enterohepatitis of a 



turkey 89 



31. Section of Kidney from a Turkey Dead of Entero- 



hepatitis 89 



32. Cecum (blind gut) Enterohepatitis Showing Ulcer.. 90 



33. Hemorrhagic Enteritis; Intestines of a Hen 93 



34. Section through Cecum of a Case of Coccidian White 



Diarrhea 97 



35. Higher Magnification of Above 97 



36. Blastomycosis in a Pigeon 99 



11 



