Vlll 



MEMOIRS (continued). 



XVII. Description of a new genus and two new species of 



PsylUdce from South America. By John Scott. . . 44:; 



XVIII. On certain genera and species of the group of PsylUdce in 



the collection of the British Museum. By John Scott. 44!) 



XIX. On a visit to Ceylon, and the relation of Ceylonese 



beetles to the vegetation there. By Geoege Lewis. . . 478 



XX. On certain temperature forms of Japanese Butterflies. 



By H. Pryer, C.M.Z.S., &c 485 



XXI. Descriptions of new Coleoptera from Madagascar belonging 



to the Melolonthidm. By Charles 0. Watkrhouse. . . 4!)3 



XXII. A supplementary note on the specific modifications of 

 Japan Garahi, and some observations on the mechanical 

 action of solar rays in relation to colour during the 

 evolution of species. By George Lewis. . . . . 503 



XXIII. Descriptions often new species of Nematus from Britain. 



By P. Cameron. . . . . . . . . . . . . 581 



Proceedings for 188"2 

 Index . . 



EXPLANATION OF THE PLATES. 



EEEATA. 



Page 152, line 2, for " imtabiUs " read " stabiUs.'' 

 ,, X, line 13, for " specimens " read " specimen." 

 ,, 305, line 9, for " ventra" read " ventral." 



