232 [March, \ 



are very troublesome and liable to get torn ; occasionally a specimen 

 will remain so long in tlie damping box tbat it falls to pieces, and yet 

 tbese wings will not sufficiently relax tbe muscles at tlie point of 

 attachment to tbe metathorax. If a specimen be quite intractable, 

 then all one can do is to so far expand the wings by means of pins 

 that an examination of the apex of the abdomen is possible. 



No collection of TricJi02)fe7'a can be considered complete without 

 the cases manufactured by the larvae of the various species. These 

 are marvellous, alike from the beauty and variety of foi^m exhibited 

 in them, as from the great ingenuity disjjlayed in their fabrication. 

 The larva) or pupsB should be extracted, and the cases may then be 

 pinned, or gummed neatly on card. Cases made out of all sorts of 

 fanciful materials may be obtained by forcing larvfe confined in 

 aquaria to use such materials in default of being able to find anything 

 else ; but such cases should be looked upon in the light of curiosities 

 only ; there is always sufficient variety in natural conditions to satisfy 

 the most fastidious collector. 



CONCLUSION. f 



My purpose will be served, if the foregoing sketch of the ways j 

 and means best adapted to the acquirement of a collection of Neiirop- 

 tera induces some of our young entomologists, who are tired of j 

 forming part of the crowd that can see no beauty in any insects other ' 

 than Lepidoptera, to strike out a path for themselves, by bestowing :i 

 favourable glance upon my favourite order. It will be doubly served 

 if they become not only collectors but students of that order. The 

 field is enormous, and the land almost untilled : the settler in it may 

 have (speaking metaphorically) to hew his own timber and build hia 

 own hut, but the result will be an abundant harvest. 



Xotes concerning the breeding of the various families from the 

 egg, or larva, must be deferred to another oj)portunity. 



39, Limes Grove, Lewisham, Loudou, S.E. : 

 January, 1873. 



DESCEIPTIONS OF TWO NEW BUTTERFLIES FROM THE WEST 

 COAST OF AFRICA. 



BY W. C. HEWITSOIS', F.L.S. 



Papilio illyeis, sp. n. 

 Upper-side : male, dark brown ; both wings crossed from the 

 costal margin of the anterior wing beyond the cell to near' the inner 

 margin of the posterior wing before its middle by an equal, continuous, 



