THE MVKIAPODA OF NORTH AMEKIlA. 1G5 



Family IV.— SCOLOPENDRID.E. 



.InalyMiH of nuhfamiliiH. 



a. PairH of legs 21. 



h. Tarsi, except anal, biartieulate; iiaint of Hpiracles 19; ocelli absent. 



I'LUroMIN.F..— I. 

 hh. Tarsi, ex<-ept last tVo, biarti(iilat«»; jtairs of spiraclos 10; tM-clli absent or 



single ('KYPToriN.K. — II. 



bbh. All tbe tarsi triartieiilat*'; pairs of spiracles 9 or 10; ocelli 4. 



ScoLorK.NDUIN >:.— III. 



aa. Pairs of legs 23; tarsi, except the last two, biarticnlate; pairs of spiracles 10; 



ocelli absent or present Scui.oi'ENPKOi'MX.*: . — IV. 



Subfamily I.— I'n TONIIN^K. 



Contains the European j^enus Phitonium Cavanna. 



Subfamily II. — ( 'ryptopiN/T-:. 



AtmUjKiH of genera. 



II. Last dorsal plate normal ; anal legs not crassate. 



ft. Ocelli absent Oryptops Leadi. 



hh. Ocelli jireseiit, single Erkmoi's* Hollniaii. 



aa. Last dorsal plate twice as lai"ge as pr<;ceding; anal legs short and thick; ocelli, 

 absent Thkatops Newport. 



Subfamily III. — Scolopendrin^e. 



AnalyHtH of yenaa. 



a. Pairs of spiracles 9. 



ft. Spiracles not branchiform, 



c. (iaw of maxillary ])alpns simple, nnarraed; anal pair of legs short and 



crassate As.vnada Meinert. 



cc. Claw of maxillary palpus armed on th<> inner side with two tciith. 



rf. Claw of anal pair of legs not crenulate beneath. 



e. Cephalic jdate subconliform, usually partly cov<;ring first dorsal plate 



S((>i,OPKNi>R.\t l.iuua-us. 

 ee. Cephalic plate more or h>ss round or ([uadrate; partly concealed l)y tirst 



dorsal plate CoRMOCEiMiAr.us Newport. 



dd. Claw of anal legs crenulate Kikjda Mciuert. 



66. Spiracles branchiform. 



/. Claw of maxillary palpus armed on the inner side with a long acute 



tooth ; anal pair of legs normal Otostmima Porath. 



ff. ('law of maxillary palpus armed on the inner side with two loug acute 



teeth; anal pair of logs not normal. 



g. Tarsi of anal pair of legs very much depressed . . E(C( >rybas Gerstiicker. 



\jg. Anal legs short and thick but the taisi not dattt'ued. 



CCPIPKS Kohlrausch, 



*Eremop8, Nom. gen. nov. for Monopn Gervais, which is preoccnpied. 

 i Scolopendra may be divided into two subgenera. 



a. Only the femora of anal pair of legs with spines Scolopendra, s. str. 



aa. Femora of more than anal pair with spines CoUaria Porath. 



