3265. Arthropoda. 38 Color Photomicrographs. 1. Argas persicus, fowl tick, adult 2. Argas persicus, six legged larva 3. Ixodes, tick, mouth parts of larva 4. Dermacentor andersoni, tick 5. Demodex folliculorum, follicle mite, sec. of skin 6. Dermanyssus g