BY J. J. FLETCHER. 475 



towards the extremities : the intervals between the legs form 

 another interrupted longitudinal band with a predominance of 

 blue. The pattern as described above is readily visible to the 

 naked eye, the arrangement of the bands and their well-defined 

 character being very striking. Under the microscope it is seen 

 that there are a few blue-tipped papillte and little dark bits of 

 ground colour in the red bands, and papillse with red bases in the 

 blue bands ; and that the bands are not quite so perfectly defined^ 

 or their margins quite so straight as they appear to the naked eye. 

 On the legs the ground colour is blue, the papillse chiefly red with 

 more or less of the apical portion blue. On the undersurface there 

 are chiefly red papillse with blue ground colour, but with the red 

 on the bases of the papillae invading the blue in places, and with 

 an indication of pattern as follows : a median ventral interrupted 

 series of rather broad irregular patches corresponding with the 

 intervals between the consecutive pairs of legs blue (primary 

 papillae are few or absent here), bordered on either side by an 

 area in which are red primary papillse and irregular blotches of 

 ground colour with scattered patches of blue ground colour ; in 

 the median ventral line between the legs of each pair there is a 

 series of blotches of red, in which are the pale areas to be referred 

 to later on ; thus up the median line there is a series of alternating 

 iri'egular blue and red patches, bordered on either side by an area 

 in which the two colours occur together, red primary papillre with 

 more or less of surrounding ground colour red being present with 

 patches of blue ground colour and a few blue secondary papillse ; 

 the whole ventral surface might be described as mottled. The 

 inner surface of the legs shows chiefly red papillse as before on 

 a blue ground colour ; the spinous pads and the foot blue ; a 

 little patch of red proximally on the outer side of foot. 



Two specimens. 



Specimens from the Blue Mts. 



Two specimens, one found by Mr. A. G. Hamilton, who most 

 generously gave me his specimen, under a stone at Govett's Leap, 



