IdO lULLKTIN 4«, I'MTKl) STATKS NATIONAL MUSEUM. 



ail. I'air.s lit' spinirli's 10. 



Ii. Aii.'il pair of le;;8 iioriiiiil. 



i. KiiHt Bpiritclr Hiihov;il Hhymida * Wood. 



ii. First spirailc tr«'iii;i-sliiipfil 'ritKMAToi'TVcin s I'rtt-rs. 



hh. An.il li'gM ciassiitr; Mpirafles si«ve-lik«" iJACEllMt Kocli. 



Sulifamily IV. — ScdLoPENDRoPSlN.K. 



.hull finis of genera 



a. Ocelli ahHOiit. 



h. 'liUHJ of anal loj^s triarticiilat<*. 

 f. Dorsal |»]atfs not sulcato, first witlioiit a .hii1«-iih, last soinewliat pointfid. 



Sccr.oi'ocKYi'KH's \<'\v|K>rt. 

 cc. Dorsal plates Itisiilcate, tirst with a transverse 8iil<'iis, last not ]iointe(l. 



Otockyi'Tops llaaso. 



hh. Tarsi of anal le^^s I l-JMiiiied Xkwpohtia (Jervais. 



aa. Orelli lour; tarsi triarticiilatr as in Sfolopo(Typto])s..SC(>Lui'EXUKorsis liratult. 



Fiiiiiily v.— (iKOlMlILIDAE. 



AtnthiKiH itf the xuhjamilirx of (ieophiUdn-. 



a. Plt'iiriP of ]»rt'liensorial lej^s exposed on oadi side of the hasal plato ; cephiilic 



jdatf ion;,' ; basal plate small Mkcistockpiiaf-INJ' . — V. 



aa. Pleura- of preliensorial iei^s not ex])os<'d on each side of the basal plate. 

 b. The spiracle ami dorsal plates touchinj^ no jdeural j)lates between them. 



<iEOPHIUN.K. — VI. 

 bh. i?atween the sjiiracle ami dorsal plate are \-'^ rows of small pleural plates. 



H1MANTAIUIN.E. — VII. 



Subfamily V. — MECrsTOOEPiiALiN^. 

 Iiiclutles Me('isfo(<j)lu(ln.s Newport. 



Subfamily VI. — ( I E( )PH1lin^e. 



Anahi><i.s of the (jevera of deophilimv. 



a. Muulibles without a denial ])late. 



h. First pair of maxilla- with two i)alpiforui processes Geopiiilt'S Leach. 



bb. First pair of maxilla- without two i»al)tiform processes. 

 c. Exterior part of first maxilla- biarticulate. 

 d. Anal le-^s 7-.joiuted; mandibles with fiv«- pectinate ]>iatca. 



MicsocANTiirs Meinert. 

 (Id. Anal leijs fi-jointed; mandibles with a sinjfle pectinate plate. 

 «. i'euultimatt; jiair of lejjs normal. 

 /. Claw of jtrehensorial lej^s without a basal tooth. 



ij. Claw of piehensorial lej^s not excavated.. .Cu.ETECHKLYXE Meinert. 

 (jg. Claw of itrekeusorial legs excavated on under side. 



AcATHOTHUst Bollman. 



*.\s liianchiostoma Newj)ort is preoccupied (Costa. Pis<-e8, 18;W), Dr. Wood in 

 lS(jl projiosed the name Ehji.iida to take its place. 



\ Ileterosloma Newport is preoccupied (Hartm., Moll.. 1X4:^), and Ducefum Koch. 

 must b(- used instead. 



t.\OATHOTnrs, gen. nov. Type — ScoUnplaties </rrtci7j» Bollman. Ann. X. Y. Ac. Sci., 

 110,1888. Deriv. : aj «/*»(;, good; //Wor, character. 



