CONTENTS 



List of Fellows 

 Additions to the Library ... 



MEMOIRS. 



PAGE 



I. Descriptions of South American Micro-Lepidoptera . By E. 



Meyrick, B.A., F.R.S 1 



II. New Species of Hymenoptera in the British Museum. By 



Rowland E. TuKNEK, F.Z.S., F.E.S 53 



III. New or little-known Heteroccra from Madagascar. By Sir 



Georqk H. Kenrick, F.E.S 85 



IV. Additions to the knowledge of the Cetonitdae of British India. 



By Oliver E. Janson, F.E.S 102 



V. On the Protoeerebrum of Jlicropteri/,r (Lepidoptera). By 

 P. A. Buxton, B.A., F.E.S., M.R.C.S., Fellow of Trinity 

 College, Cambridge (Lieut. R.A.M.C.) 112 



VI. Some Notes on Butterfly Migrations in British Guiana. By 



C. B. Williams, M. A., F.E.S 154 



VII. The condition of the scales in the leaden males of Ayriades 

 ihetis, Rott.. and in other Lycaenids. By E. A. Cockayne, 

 D.M., F.R.C.P., Temporary Surgeon, R.N ... 165 



VIIL On new and little-known LcKjriidae from Tropical America. 



By George Cuarles Champion, F.Z.S. 169 



IX. A Revision of the genus Tarucus. By G. T. Bethune-Baker, 



F.L.S., F.Z.S ... 269 



X. Notes on some British Guiana Hymenoptera (e.xclusive of the 

 Formicidiu). By G. E. Bodkin, B.A., Dip. Agric. (Cantab.), 

 F.Z.S., F.E.S., Government Economic Biologist, Department 

 of Science and Agriculture, British Guiana ... ... ... 297 



XI. On a Collection of Butterflies taken in East Africa by Mr. 

 W. A. Lamborn. By H. Eltrinoham, MA., D.Sc. With 

 notes on the PieriiKie, by Dr. F. A. Dixey, F.R.S., and 

 description of a new form of F. dardanus ? , by Prof. E. B. 

 PouLToN, F.R.S 322 



XII. Further notes on recapitulatory attitudes in Lepidoptera. By 



T. A. Chap.man, M.D 338 



