KK^• TO l'\.\lll,li:S (»!•" SisK'K'ICiiliXIA. (i^T 



r. lliiid «n\;il pl.Mlcs with -T.Mivcs for tlic recent i<>n <it' the Iciiiora 

 in repost'. 

 /. I'rdiit eox.-e ,;j;lob<)so. 

 ;/. 'I'lKiriix loosely .jointed, its hind ;inf;;les usuiiUy iirolonsicd 

 liMcUwMrds: iirosteiMKil spine loosely reeeived in :i notch 

 in niesoslornuni. so .-is to ndniil of .1 spriiij^ini,' motion; 

 front coxmI cavities entii-ely sniiiuinded by the piM- 

 slcrnnin. I'"ainii\ WWII. Ili.A'i i.inn.i;. p. r,;i'.». 



fill. 'I'horax lirndy aitadicd to llie remainder of the body; pro 

 sternal spine pi'ojonized lint not movable; front coxal 

 cavities closed behind by the mesostei'nnm ; lenulii less 

 than mm. I'.imily WWIII. 'I'liiioscn).!:. p. 77:'.. 



//". Froiil coN.-i' ti-ansverse. 



//. Onychinm (pad between the tarsal claws) lartje and hairy ; 

 antenna' of males usnally tlabellate; len,L,'th 11 or 

 more nnn. Family XXWl. Uii ii-u i;hii).k. ]». CbC. 



/;//. Onychinm small or wantini;. 



/. Head constricted behind; eyes smooth; Hanks of tlmrax 

 (in onr species) excavated for the i'ecei)lion of the 

 front le,t;s; body covered with small scales. 



Family XJ.X. ('( imosid.k. p. VJl'. 

 //. Head not constricted behind; e.ves ,i,'raniilated. 



/. Fpimera of mesothorax reachini;: the middle coxa^ : 



body coverin.iis rather soft and flimsy; form nsnally 



oval or hemisiiherical, convex; length less than 



(;.."( mm. Family XXXV. D.vsi'ylud.k. p. (JSS. 



/■/. i:pim(>ra of mesothorax not reaching the coxiie; pro- 



sternnm very short; thorax nsually extending as a 



form of hood above the head, the latter bent under 



and rarely visible from above; length less than 



7 nnn. Family X 1.1 II. I'li.xin.K. ]k sc."_'. 



rr. Hind coxal i)lates not grooved. 



/,-. Hind coxa' flat. 



/. rrosteriunn not prolonged behind; tarsal joints 14 with 

 membranons lobes beneath, the lirst .joint often indis- 

 tinct. Family XLll. Cikkid.k. ji. S4(i. 

 //. I'rosternum i)rolonged behind. 

 ;//. Front coxal cavities entirely surrounded by the ]iro- 

 sternum ; hind cox:e without i)lates; trochanters of 

 middle and hind legs very long. 



Subfamily (XXX\"1I». Ccroitliiitiinr. \). 77.".. 

 iiiiii. Front c(.xal c:ivities iiartly formed by the mesosternum ; 

 anteiuia' witln ut club; length less than 4.r» nnn. 



(b'niis (XXX\ITI». nniiichs. p. 771. 

 A7,-. Hind coxa> ]»rominent. 



II. Front coxa' conical. ])rominent. without trochantin; tarsi 

 slender; form elongate, narrow; length 10 (U* more mm. 

 (only 2.2 mm. in Micromalthus) . 



Family XLVI. Lv.NtKXYr.oxrn.K. ji. S!)4. 



[44— 2;M021 



