( viii ) 



PAG 



XVII. The relation between the secondary sexual characters and the 

 Gonads and accessory sexual glands in insects. By E. A. 

 Cockayne, M.A., D.M., F.R.C.P., F.E.S 336 



XVIII. An Intersex of Amorpha populi. By E. A. Cockayne, M.A., 



D.M., F.R.C.P., F.E.S 343 



XIX. Observations on the Growth and Habits of the Stick Insect, 

 Caravsius morosus, Br. ; intended as a contribution towards a 

 knowledge of variation in an organism which reproduces itself 

 by the parthenogenetic method. By H. Ling Roth, Keeper, 

 Bankfield Museum, Halifax. Communicated by Prof. E. B. 



Poulton, D.Sc, M.A.,F.R.S 345 



XX. Falkland Islands Diptera. By C. G. Lamb, M.A., B.Sc, Clare 

 College, Cambridge. Communicated by F. W. Edwards, 

 F.E.S 387 



XXI. Parthenogenesis amongst the Workers of the CapeHouey-Bee : 

 Mr. G. W. Onions' Experiments. By Rupert W. Jack, 

 F.E.S., Government Entomologist, S. Rhodesia 396 



XXII. On the Factors which determine the Cocoon Colour of Plusia 

 moneta and other Lepidoptera. By Mrs. Onera A. Merritt 

 Hawkes, B.Sc. (Lond.), M.Sc. (Birmingham). Communi- 

 cated by Dr. A. D. Imms, M.A 404 



"XXIII. On a collection of Heliconine forms from French Guiana. By 



J. J. Joicey, F.E.S., and W. J. Kaye, F.E.S 412 



XXIV. Further notes on the "Jurinean" Genera of Hymenoptera, 

 correcting errors and omissions in a paper on that subject 

 published in Trans. Ent. Soc. Lond. 1914, pp. 339-436. By 

 the Rev. F. D. Morice, M.A., and Jno. Hartley Durrant 432 



Proceedings for 1916 



Errata 



Annual Meeting ... 



Balance Sheet 



President's Address 



General Index 



Special Index 



i-cxxxm 



cxxxiv 



cxxxv 



cxxxix 



cxli 



clvii 



clxiii 



EXPLANATION OF PLATES, TRANSACTIONS. 



Plates I, II. 

 Plates III- VI. 

 Plates VII-X. 

 Plates XI-XVII. 

 Plates XVI I I-LXII. 

 Plates LXIII, LXIV. 

 Plates LXV-LXXIII. 



See pages 64 Plate LXXIV. See pages 296 



85 Plates LXXV-LXXIX. „ 300 



100 Plate LXXX. „ 309 



148 Plates LXXXI-XCII. „ 313 



171 Plates XCIII-CIV. „ 333 



242 Plates CV, CVI „ 403 



262 Plates CVII, CVIII. „ 431 



PROCEEDINGS. 



Plate A. See page xci. 



Plate B. „ pages xcix-cx. 



