218 Mr. S. A. Neave: some bionomic 
this brown colour is more marked in the ? of P. rex than 
in the #7. The Danaines again have most probably formed 
the model for the spotting of the Papilios, which is not 
quite like that of any of its allies. Considering these facts 
we may cite the above group as a complete example of 
diaposematic resemblance. 
GRoupPS WITH ACRAINE MODELS. 
The fine Planema pogget, Dewitz, occurred in fair num- 
bers in both collections, about 20 specimens from several 
localities. This very striking species with its brilliant 
orange band on the fore wing has several interesting 
mimics. 
First and perhaps most important of these is the plane- 
moides § form of Papilio dardanus, Brown, recently 
described by Mr. Roland Trimen, F-.R.S.,* from a single 
specimen collected by Mr. Hobley of Kisumu. There are 
six of these 2 ? in the collections of Messrs. Wiggins and 
Harrison. Amongst these is a considerable variation in 
the extent and completeness of the orange band on the fore 
wing. One specimen is remarkable for showing an inter- 
mediate character to the 2 form of cenea dardanus, and the 
orange colour, though present, is much broken up into spots, 
oO 
and the bacal area of the bind wing is buff coloured as in 
Ko) 
the cenea form instead of white as in typical planemordes. 
Other interesting mimics of P. poggei in the collection 
are:—Pseudacreva hobleyi Neave, (2), 1 which the resem- 
blance is best in the ? but remarkably close in both 
sexes. Pscudacrxa kucnowt newmanni, Thur. 2. <Acrea 
aurivillu, Staud. (14), synaposematic with pogget. EHlym- 
nias phegea, Fabr. (2) (also referred to by Mr. Trimen 
loc. cit.). 
An outlying member of this group was recognized in 
the 3 29 of Precis rauana, Grose-Smith, which bear an 
orange bar across the fore wing as in the ¢g (14); but 
have a white discal bar instead of an orange one to the 
hind wing. This gives them the same general appearance 
as the above forms. 
Planema tellus, Auriv. (9), from the western districts, 1s 
resembled by the recently described Pseudacrxa terra, 
mihi (1), also from the western side of the Lake, the 
resemblance being astonishingly close. 
* Trans. Ent. Soc. Lond. 1903, pt. I, p. x1. 
