730 



ARTHROPOD A 



Fig. 348. — Rhizoglyphus parasiticus Dalgetty, 1901. 

 (From a photograph by J. J. Bell.) 



This is the species which causes trouble in the feet of Indian coolies. Bell 

 described a large circular, superficial sore on the sole of the foot, caused by 

 many of these parasites invading the skin (see Chapter XCVI.). 



Fig. 349. — Savcoptes scabiei var. hominis Linn^us, 1758: Female 

 (X125.) 



