( 287 



XVI I. Five Years Ohscrvations and Experiments (1896 — 

 1901) on the Bionomics of South African Insects, 

 ehiepj directed to the Investigation of Mimicry and 

 Warning Colours, by GuY A. K. Marshall, F.Z.S. 

 With a Discussion of the Results and Other Subjects 

 suggested by them, by Edward B. Poulton, M.A., 

 D.Sc, F.R.S., Hope Professor of Zoology in the 

 University of Oxford, Fellow of Jesus College, 

 Oxford ; and an Appendix containing Descripti(ms 

 of New Species by Ernest E. Austen, William 

 L. Distant, Colonel Charles T. Bingham, F.Z.S., 

 Guy a. K. Marshall, and Jules Bourgeois. 



[Read March 5, 1902.] 



Plates IX. to XXITI. 



CONTENTS. 



PAOE 



1. Introduction. By Guy A. K". Marshall and E. B. 



PoULTON 292 



2. Experiments on Mantiu^e in Natal and Rhodesia. 



(G. A. K. M.) 297 



3. Conclusions from Experiments on Mantiu.'E. (E. B. P.) 315 

 4 Experiments on Spiders in the Karkloof. (G. A. 



K. M.) 319 



5. Eesults of Experiments on Spiders and the earlier 



Experiments on Mantid.e : One Probable Meaning 

 op the Tenacity op Life in Distasteful Insects. 

 (G. A. K. M.) 322 



6. The Attacks of Prkdaceous Insecis other than 



Mantid/e upon conspicuous specially-defended 



Lepidoptera, etc. (E. B. p.) 328 



A. Predaceons Hymenoptera and Neiuopiem 329 



B. Predaceons Coleoptera 330 



C. Predaceons Diptera 331 



7. Lepidoptera with Warning Colours specially liable 



to the attacks op Parasitic Insects. (G. A. K. M.) 337 



8. Experiments on Lizards and Frogs. (G. A. K. M.) . 338 



9. Experiments on Captive Kestrels {Gerchneis rupi- 



coloides and G. naumanni). (G. A. K. M.) 340 



TRANS. ENT. SOC. LOND. 1902. — PART III. (NOV.) 



