15Y A. L. TONNOIll. 71 



superior one of five closer somewhat falcate spines, no 

 chitinous small plates between the groups of spines. All 

 round the dorsum of abdominal segments 2-7 there is a 

 conspicuous crown of stiff hairs which are more develojied 

 on the sides than anteriorly or posteriorly. Basal sternal 

 plate of caudal appendage without conspicuous bristle, the 

 caudal appendage, which is short and testaceous, is provided 

 with six black terminal bristles, only a little longer than the 

 appendage itself; lateral plates connected at their base by 

 a chitinous plate; their median bristle is coarse and branched 

 at the tip. 



The spiraculav plates according to figure 7A; the spir- 

 acles themselves round, separated by a row of four little 

 groups of branched hairs. 



