Explanation of Plate IV. 



Fig. i. Xanthias nuttingi, 3, X 4f- 



Fig. 2. Micropanope truucatifrons, ?, X 3r- 



Fig. 3. Actcea bifrons, 5, front, X 61. 



Fig. 4. Actcea bifrons, 3, X 2>\- 



