130 
Parasitic Arthropoda 
also, to sprinkle the floors with carbolic lotion, Jeyes’ fluid, or with 
pyrethrum powder, or with a strong infusion of native tobacco, as 
recommended by Law and Castellani.” 
Echidnopliaga gallinacea (fig. 96) is a widely distributed Hectopsyl- 
lid attacking poultry (fig. 97). It occurs in the Southern and South¬ 
western United States and has been occasionally reported as attack¬ 
ing man, especially children. It is less highly specialized than 
Dermatophilus penetrans , and does not ordinarily cause serious 
trouble in man. 
