( viii ) 



PAGE 



XIV. Notes on a protean Indian butteilly, Kuplcea (Stictoplvea) 

 Intrrisii, Felder. By Lionel de Nickville, F.L.S., 



C.M.Z.S 2i7 



XV. New light on the formation of the abdominal pouch in 

 P<irnas!iius. By Samuel H. Scucdek, F.E.S., of Cam- 

 bridge, Mass., United States 249 



XVI. Additions to the Longicoruia of Mexico and Central America, 

 with notes on some previously-recorded species. By 



Charles J. Gahan, M.A., F.E.S 255 



XVII. Contributions to a knowledge of the Homopterous family 



Fuhjoriiht. By WiLLL\ii L. Distant, F.E.S 275 



XVIII. The secretion of potassium hydroxide by Dicranura vinula 

 (imago), and the emergence of the imago from the cocoon. 

 By Oswald H. Lattek, M.A., Assistant Master at Charter- 

 house. Communicated by Fkederic Mekkifield, F.E.S. 287 



XIX. Further experiments upon the colour-relation between 

 certain lepidopterous larvic, pupje, cocoons, and imagines 

 and their surroundings. By Edwakh B. Poultox, M.A., 

 F.K.S., F.L.S., cVc 2'Jb 



Proceedings for 1892 . , 

 President's Address . . 

 Index . . 



xlv 

 Ix 



Plate 



I. 

 II. 

 Ill 

 IV. 



EXPLANATION OV THE PLATES 



L'late 



See pages 1 — 20 

 27—31 

 „ 53—110 

 111 



v., VI. & VII. 



See pages 113—183 

 VIII. & IX. ,, 191—199 



X. 

 XI. 

 XII. 

 XIII. 



See pages 2Ul— 203 

 215—216 

 255— 271 

 275—286 



XIV. ct XV. 



See pages 2'.)3- 



-187 



EliliATA. 



tkansactions. 



On p. 207, for " 18," read " 38 " ; on p. 211, for " 16 moderate, 23 light, 

 read " 25 moderate, 37 light"; for "5 moderate," read "7 moderate." 



proceedings. 



Page iii. — For Iridoiiujnnc.v 2jur2)tireus read 7. j'Oi'P'"''^'"' '> foi' ^'• 

 nudutam read K. nitdntnin ; for " Variete toute noire " read " Variete voute 

 noire." P. ix. (sixth line from top). — For Mcrainplas bicolur read i\Ier(uni- 

 plus bicoJor ; for Crainaloiiaster read Crcniastuija^ter ; for (fifth line from 

 bottom) !'■■'<■ itduiii 11 nil c read Psciiddiiu/niiii. 



