188 THE BUTTERFLY VIVARIUM. 



collector to endeavour, in his collection of larvae 

 and perfect insects, to complete the genus Cerura, 

 of which there are four or five distinct species, 

 some say seven, all about half the size of the great 

 Puss-moth or the Ermined variety. These smaller 

 species are popularly called "kittens;" Cerura 

 Bicuspis, the first of the small species, is a very 

 pretty Moth, the ground of the wings white, with 

 a broad band of deep gray-brown bordered with 

 black across the centre of the anterior wings, and a 

 narrower band, broadest at the front and narrowing 

 to the back, nearer to the edge. The last-named 

 band is slightly scallopped, and there is a row of 

 dots at the edge of both front and hind-wings ; the 

 hind-wings being in other respects white, with only 

 a slight shadowy band of gray towards the edge. 

 Then there are C. Integra, C. Furcula, C. Arcuata, 

 C. Lalifascia, C. Bifida, and C. Fvscinula, each 

 distinguished by some tolerably well-defined charac- 

 ter. They have all been considered distinct species 

 by continental entomologists, and some of them have 

 been found in England, while the reported cap- 

 ture of others is disputed. The Caterpillars have 

 all the curiously forked tail-like appendages at the 

 end segment instead of the usual last pair of legs ; 

 and one or two of the kinds are far from uncom- 



