PLATE D— continued. 



Fig. 10. — Representation of the scarlet-red mite, 

 Tromhidium fuliginosum, which attaches itself to the 

 hind leg of Liburnia limhata. 



Fig. 11. — The head and mouth parts of the same, 

 much magnified : the palpi should have been drawn 

 with an extra articulation {vide description, p. 40). 



Fig. 12. — The larva of an undetermined Acarus^ 

 infesting the bodies of Liburnia. It is of a yellowish 

 colour, and with three rows of dark circular dots on 

 the back. 



