A. D. WILLIS, WANGANUI, N. Z.

W.M.M., delt. ad. nat

PLATE XV.

Plate XVI.

Fig.

1. Rhizococcus celmisiæ. a, Insects on leaves of Celmisia; b, adult female dorsal aspect.

2. Rhizococcus fossor. a, Insects on leaves of Santalum (maire); b, elevation produced by insect on upper side of leaf; c, female in pit on under-side of leaf; d, sac of male; e, adult female before gestation, from a pit; f, adult female from surface of leaf; g, female of second stage; k, marginal spines and tubular cotton of second stage; m, antenna of adult female; n, male; p, diagram of head of male, upper and lower sides shown together, four eyes and two ocelli; s, abdominal spike of male; t, antenna of male.

A. D. WILLIS, WANGANUI, N. Z.