viii MEMOIRS (continued). 



XVII. Descriptions of new species of Indian Lepidoptem-Hetero- 



cera. By F. Moore, F.Z.S. 355 



XVIII. Life-history of sixty species of Lepidoptera observed in 

 Mhow, Central India. By E. W. Forsayeth, Surgeon- 

 Major, A.M. D 377 



XIX. Further additions to Mr. Marshall's Catalogue of British 



Iclmeumonidce. By John B. Bridgman, F.L.S. .. .. 421 



XX. Notes on the life-history of Porphyraspis tristis, a palm- 

 infesting Cassida from Brazil. By A. Sidney Olliff. . . 435 



XXI. The water-beetles of Japan. By David Sharp 439 



XXII. Eevision of the Hydrophilidce of New Zealand. By David 



Sharp 465 



XXIII. Descriptions of new species of Tenthredinidce and Gynipidce 



from Mexico. By Peter Cameron. . . . . . . 481 



XXIV. Facts concerning the importation or non-importation of 



Diptera into distant countries. By C. E. Osten-Sacken. 489 



XXV. An essay of comparative Chaetotaxy, or the arrangement 

 of characteristic bristles of Diptera. By C. E. Osten- 

 Sacken. .. ..497 



Proceedings for 1884 . . . . . . . . . . i 



Index • . . . . . . . . . . . . . . . xlvii 



EXPLANATION OF THE PLATES. 



Plate I See pages 58—60 Plates V.— XII. See pages 246—250 



Plate II See page 86 Plate XIII See page 267 



Plate III , 90 j Plates XIV., XV., 



Plate IV ,, 147 I See pages 418, 419 



EEEATA. 



Page 146, line 7 from bottom, for " male " read " female." 

 Page 363, line 9, for " dissimilis" read "assimiKs." 

 Page 465, lines 10 and 16, for " Tornus " read " Tormus." 

 Page 498, line 14, for " arrangement" read " argument." 

 Page 500, line 7 from bottom, for " dumme " read " dummen." 

 Page 507, line 14 from bottom] 



Page 514, line 9 from bottom j" ^°'' " Pl^mose " read " stubble-shaped." 

 (N.B.— "Stubble-shaped" is the translation of the German " stoppel- 

 ffirmig," introduced by Loew for similar structures.) 

 Page 517, line 19, for " p. 500 " read " p. 502." 



