PAPERS. 



12. Note on a Hermaphrodite Dogfish. By Rum C. iiAiuBiiK, M.Sc. (Plates I. & II.) . . 217 



13. On tlie Use of the Names Plesiosauria and Sauropierygia. Bj' G. A. Boulengeb, 



F.R.S., P.Z.S. . ; 221 



14. Some Additions to the known Dragonfly Fauna of Borneo, with an Account of new 



Species of the Genus Coeliccia. By F. F. Laidlaw, M.A., F.Z.S. (Text-figures 1-10.) 223 



1.5. Notes on a Collection of Heteroeera made by Mr. W. Feather in British East Africa, 



1911-iy. By Lt.-Col. J. M. Fawcett. (Plate I.) 233 



16. Deformity of Os penis in a Seal {Phoca caspica Nilsson). By Sergius Alpiieraky. 



(Text-figure 1.) 251 



17. Some Observations upim Concealment by the apparent Disruption of Surface in a 



Plane at Right Angles to the Surface. By J. C. Mottkam, M.B. (Lond.). (Text- 

 figures 1-4.) , 263 



18. New South-American Rhopalocera. By J. J. Joicby, F.L.S., F.Z.S,, F.E.S., and 



G. Talbot, F.B.S. (Plate I.) 259 



19. New South-American Arctiidae. By J. J. Joicey, F.L.S., F.Z.S., F.E.S., and G. Talbot, 



F. U.S. (Plate I.) 265 



20. New Butterflies from Africa and the East. By J. J. Joicby, F.L.S., F.Z.S., F.E.S., 



and G. Talbot, F.E.S 271 



21. A Gynandromorph of Papilio lycoiyhron, Hbn. By J. J. Joicey, F.L.S., F.Z.S., F.E.S., 



and G. Talbot, F.E.S. (Plate II.) 273 



22. Three Aberrations of Lepidoptera. By J. J. Joicey, F.L.S., F.Z.S., F.E.S., and 



G. Talbot, F.E.S. (Plate I.) 275 



23. Ant-like Spiders from Malaya, collected by the Anniindale-Robinson Expedition, 



1901-2. By H. D. Badcock, M.A. (Text-figures 1-12.) 277 



24. The Structure of the Orbito-temporal Region of the Skull of Lemur. By F. \A"ood 



Jones, M.B., D.Sc, F.Z.S. (Text-figures 1-5.) 323 



Titlepage i 



List of Cou ncil and Ofliicers ii 



List of Contents iii 



Alphabetical List of Contributors vii 



Inde.\ xi 



