PLATE XVI. 

 Fig. 



1. Rhizococcus cdmisicz. a, Insects on leaves of Celmisia ; 6, adult female 



dorsal aspect. 



2. Rhizococcus fossor. a, Insects on leaves of Santalum (maire) ; 6, elevation 



produced by insect on tipper side of leaf ; c, female in pit on under-side 

 of leaf ; d, sac of male ; e, adult female before gestation, from a pit ; 

 /, adult female from surface of leaf ; </, female of second stage ; fc, mar- 

 ginal spines and tubular cotton of second stage ; m, antenna of adult 

 female; TO, male; p, diagram of head of male, upper and lower sides 

 shown together, four eyes and two ocelli ; s, abdominal spike of male ; 

 , antenna of male. 



