Mites Injurious to Domestic Animals. 65 



species (fig. 31) is elongated in form like the species of Syringophilus, 

 which also live inside the quills of various birds (see p. 74, fig. 41). 



Several species of feather mites are found on pigeons, viz., 

 Megninia columbae, Buchholz, mentioned above, Falculifer rostratus, 



in life cycle of Demodex. (a) Young nymph of Demodex 

 muscardinus. (b) One of the epidermal scales of this nymph 

 very greatly enlarged, (c) Larva of D. muscardinus. (d) Egg 

 of D. muscardinus. (e) Large nymphal stage of D. bovis, showing 

 completely formed adult inside, x 328. 



Buchholz, Falculifer cornutus, Trouessart (in America), Analyes 

 bifidus, Nitzsch, and Pterophagus strictus, Megnin. 



Two very minute mites allied to the feather mites (Epider- 

 moptes bilobatus, Rivolta (figs. 32 and 33), and Rivoltasia bifurcata, 



