THE MYRIAPOUA OF NORTH AMERICA. 161 . 



Subfamily XVI. — Sph^eriodesmin^e. 



AntilyniH of the ijvnera. 



(t. Thp fourth and fifth dorsiil |)lat6s lar^rst; somi' of the luistorior with a row of 



tiiliercit'H Si'ii.!:i{i<ii>K.>Mrs Tt-torH. 



aa. Tin- thinl and fourth dorsal )>lateH largest; donial |dat*-.H tulMTculatt'd. 



C!Yi'inii>KsMrH IVters. 

 naa. Tho third dorsal |date largest; dorMal |)latcH Hiiiootli. 



Cyci.odksmcs Hnnilt. and Sauna. 

 aauiu The secnnd dorsal platt- largest. 



h. Anal segiiicnt snuill Onmscouksmth Gervais and Ooudot. 



bh. Anal segment large as in the iHonifridw CyktoI)Ks.mus (Jervaiij. 



Order III.— ON ISCOMORPH A. 



Tliis order ('ontaius the family <iU>mvr'nln\ which is related to the 

 pieeeding family. 



Family VII.— (ILOMEKID.E. 



AnaJijHin of the aiihfamilica of (Uomeridtv. 



a. Segments 1.3; pleural plates 11 or 12; pairs of legs 2 21, ^ 23; ocelli in moro than 

 one series Simi.kkotiikkiin.k. — WII. 



an. .Segments 11 or 12; pleural plates 10; ])airs of legs 9 l"i (^ I'J; o'olli in u single 

 series Gi.omkiuin.k. — XVIII. 



aaa. Segments 9; antenme .5-joiuted: ocelli in several series.. .0I.I^i.\^•»'^l^•.^;.* — XIX. 



Sub-family XV'II. — Sph.eriotiieriin.e. 



Anahjitis of the gentra of Sphnrlotheriimt , 



a. AntemiaB 7-jointed, the sixth joint smaller than tho tifth.SPii.KKOTUKRiUM Brandt. 

 aa. Antennio 6-jointed, the sixth much larger than the fifth Zkimiroxia (iray. 



Subfamily XVIII. — Glomerun^e. 



Anahjsis of the genera of Glomeriino'. 



a. Meutum bipartite; dorsal plates smooth, not marginate. 



b. Copulation feet of the male 5-jointed, ending in a simple, weak, crooked joint, 

 which hears a short and thick bristle; 12 (lorsal plates plainly developed. 



(Jlomkkis L.atreille. 

 bb. Copulation foot of male 3-jointed, ending in a shear or forceps-like piece, which 

 does not bear a bristle; only 11 dorsal jdates plainly developed. 



Latzelia tBoUman. 

 aa. Mentum entire; dorsal plates warty and scaly, their borders strongly margined. 



GERVAif^i.v Waga. 



Subfamily XIX. — OligaspiinvE. 

 Contains the South- African genus OliguHpis Wood. 



* If Wood's description of the genus OUgaHpiii is correct it should represent a new 

 subfamily. As shown by the figures his types are adult specimens. 



t Latzelia gen. uov. Type: Crlomeris minima Latzel. I have named this new genus 

 after Dr. Robert Latzel, of Vienna, the illustrious Austrian myriapodist, and tho 

 describer of GlomeriH minima. 



2097— l!<^o. 41> U 



