Proc. Biol. Soc. Wash., Vol. XXIV. L911. 



Plate II. 



Explanation of Plate 

 Ixodes cookei var. rugosus, Fig. 1, capitulum of female; Fig. 2, capitulum of male. 

 Ixodes banksi, Fig. :'■. capitulum of female; Fig. 4, scutum of female; Fig. 5, coxae of female; 



Fig. 6, stigma 1 plate of female. 

 Ixodes kingi. Fig. 7, capitulum of female; Fig. 8, scutum of female: Fig. 9. stigmal plate of 



female; Fig. 10, coxae of female; Fig. 11, capitulum of male; Fig. 12, ventral of male. 

 Ixodes angustus var. woodi. Fig. 13, capitulum of female. 



Prawn by G, N. Wolcott. (Original.) 



