( 489 ) 



XXII. Some Monomic notes on British East African hutter- 

 fiics, by the Rev. K. St. Aubyn Rogers, M.A., 

 F.E.S., of Wadliam College, Oxford ; %oith further 

 notes and descriptions by Professor E. B. 

 PouLTON, D.Sc, M.A., F.R.S., etc.; and an 

 Apj)endix containing the dcscriiAion of netv British 

 Bast African forms, by RoLAND Trimen, M.A., 

 F.R.S., etc. 



[Head December 4th, 1907.] 



Plates XXVI-XXIX. 

 CONTENTS. 



PAGE 



Introduction 491 



A. DANAINE-CENTRED MIMETIC COMBINATIONS . 494 



I. Black-and-white Eastern Amauris-centred Com- 

 binations FROM THE Coast District of British 



East Africa 495 



Tabular Statement of members of black-and-white 

 Amauris-centred Combinations captured at Rabai, 

 March 1906-Jancary 1907 496 



(a) Amauris niavius (loviinicamts-centrcd Combin- 



ation ........ 497 



1. The Relative Ahwiidance of the membem of the 

 Amauris niavius dominicamis-centred Com- 

 bination 499 



(b) Amauris ochlea-centred Combination . . . 499 



1. The Relative Abundance of the members of the 



Amauris ochlea-centred Combination . 503 



2. Secondary Resemblance between the Nym'phaline 



members of the Amauris ochlea-centred Com- 

 bination. E. B. P 503 



(c) Outlying members of the black-and-white Eastern 



Amauris-centred Combinations .... 505 



II. Amauris echeria- and - albimaculata - centred Com- 

 bination FROM the KiKUYU COUNTRY . . . 509 



(a) Weithaga members of the Combiiudion . . . 509 



(b) Nairobi members of the Combination . . . 510 



(c) Kijabe members of the Combination . . . 510 



(d) Mogoiri and Tuso members of the Combination . 51 i 



1. The Primary Danaine Models . . . .511 



2. Nymphaline Mimics 511 



TRANS. ENT. SOC, LOND. 1908. — PART III. (DEC.) 



