Mites Injurious to Domestic Animals. 65 



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

 which also live inside the quills of various birds (see p. 7+, fig. 41). 



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

 Megninia columbae, Buchholz, mentioned above, Falculifer rostratus, 



Fig. 52. 



Stages 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) tgg 



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



'^ completely formed adult mside, X 328. 



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

 • Ufidus, Nitzsch, and Pterophagus strictus, Megnin. 

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



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



