162 BULLETIN 46, UNITED STATES NATIONAL MUSEUM. 



Superorder II,— PODOCHILA. 

 This division embraces the following : 



Order IV.— PSELAPHOGNATHA. 

 Family VIII.— POLYXEXIDtE. 

 This family includes the cosmopolitan genus Polyxeiws. 



Stibclass B.-MQNOPODA. 

 This subclass includes the 



Order V.-PAUROPODA. 

 Family IX.— PAUROPODID^. 



This family is divisible into two subfamilies. " 



a. Segments depressed, sculptured ; legs short, not or scarcely extending beyond sides 

 of body; (brownish; motions slow) Eurypauropodin^e. — XX. 



aa. Segments not depressed nor sculptured; legs longer, extending beyond sides of 

 body (pale, motions agile) Pauropobiinle. — XXI. 



* 



Subfamily XX. — Eurypauropodin^e. 



Analysis of the genera. 



a. Dorsal plates 10; large lateral bairs on 2, 4,7, 9, (10?) segments. 



Brachypauropus Latzel. 

 aa. Dorsal plates 7 ; large lateral hairs on 2, 3, 4, 5, 6 segments. 



Eurypauropus Ryder. 



Subfamily XXI. — Pauropodin^e. 



Includes the genus Pauropus Lubbock. 



Indiana University, April 3, 188& 



