254 [Novembra-, 



ia less conspicuous than tin, gold, or jet black ; that they better resist 

 the action of acids ; and lastly, perhaps, that they will improve with 

 age. The first two points any one can very soon decide, the third is a 

 matter of opinion ; for the verification of the last two time will be 

 required, and for this purpose it will afford me much pleasure to 

 forward samples to any entomologists who would like to give them a 

 trial, by using them to pin such species as are likely to go greasy, and 

 watching the result. Address as below till November 10th, after that, 

 Camden Eoad, London, N.W. 



A word of caution is here necessary. Pin bronzing is essentially 

 an outdoor pastime, and can only be indulged in at home at the risk 

 of being indicted for a nuisance, for there are not many liquids which 

 can vie with the sulphuretted hydrogen given off in the process for 

 vileness of odour, a few whiffs of which would amply suifice to set a 

 whole neighbourhood snifiing, and an army of sanitary inspectors on 

 the war path. It is likewise an occupation that should be conducted 

 by daylight, for the gas evolved is inflammable, and when mixed with 

 oxygen or air, explosive. The would-be operator, especially on a large 

 scale, will therefore see the desirability of securing a shed for a work- 

 shop in some secluded spot, remote from human habitations. 



Camden Yilla, Lennard Eoad, Folkestone : 

 September, 1894. 



AN ADDITION TO THE LIST OF BEITISH SEMIPTEEA. 



BY EDWAED SAUNDEES, E.L.8. 



PlAGIOGNATHUS (AgALLIASTEs) EYANESCEJSrS, Boh. 



This little species may be known at once from WilMnsoni, which 

 it resembles in the uniform brown coloration of the hemelytra, by its 

 less shining surface, the coarser, more conspicuous yellowish-white 

 pubescence, and the black antennae ; from saltitans, the unspotted 

 hemelytra, less shining and more coarsely pubescent surface, and 

 longer 3rd and 4th antennal joints, will easily distinguish it. The 

 antennae have the 2nd joint thickened, as in saltitans, and the 3rd and 

 4th joints subequal in length, each being about four-fifths the length 

 of the 2nd, the hemelytra have no apparent membrane ; the femora 

 are testaceous at the apex, and the tibiae testaceous at the apex, darker 

 at the base ; the spines, which are fine and black, do not spring from 

 black spots. Length, l^— If mm. 



