162 m'LLETIN 46, I'NITKU STATE8 NATIONAL Ml'SEUM. 



Superorder II.— PODOCHILA. 

 This division t'lriliraces the following: 



Ordet' IV.-PSELAPHOGNATHA. 

 Family Vlll.— l'OLYXENlD.E. 

 This family includes tiie cosmopolitan ^cnus PoUjxvmix. 



Ht_ibcl£i»» 13.— XIONOI^OD^. 

 This subclass includes the 



Order V.— PAU ROPODA. 

 Family IX.— PAUUOPODID.T^:. 



This family is divisible into two subfamilies. 

 a. Se;;iii«'nt.s (lepicsscMl, sculpt u.<»l : lci,'s sbort, not or scarcely extending lieyond sides 



of body; (brownish; motions slow) EcRYi-ArKoi'ODiN.K.— XX. 



aa. Segiiicnts not depressed nor sculptured ; l(5gs longer, extending beyond sides of 



body (pule, motions agile) Paukopodin Ji.— XXI. 



Subfamily X X.— EuuYPArROPODiN.K. 



AnalijK' f the ije)ier((. 



a. Doi-sal plates 10; largo lateral bairs on 2, 4, 7, 9, (10?) segments. 



Rracbypauropus Latzel. 

 aa. D<»rsal plates 7; large lateral baiTs on 2. S, 4, ">, U segments. 



Eurypauropus Ryder. 



Subfamily XXI. — PAUROPODiNiE. 



Includes the jjenus Punropas Lubbock. 



Indiana Univehsitv, April o, ISSU, 



