< II vmhkkun : IfYRIOPODA OF THE AUSTRALIAN REGION. 43 



101. EURYTION (StENEURYTION) [NCI8UNGUT8 Atlcins. 

 Fauna sQdw. Austr., 1911, 3, p. L60, fig. 13 15.' 

 I.<>< lun . W. Australia : Harvey. 1 



102, PaCHTMERINUS aim i;\i, is, sj). QOV, 



Type. M.C.X. -j,0(i4. New South Wales: Southerland (W. M. 

 Wheeler). 



Fulvous] head and preheosora light ferruginous. 



Cephalic plate without frontal suture. Broad, being only 1.4 times longer 



than wide; sides evenly convex with middle region flattened; anterior margin 

 slightly triangular, being angular at middle; caudal margin slightly convex. 

 Antennae short; distal article shorter than the two preceding together. 



Claws of prchensors when closed reaching to middle of second antennal 

 article. 



Presternum armed with two acute teeth. Femuroid with two teeth of 

 which the distal is longer. Claw with a black tooth of about the same size as 

 the distal one of the femuroid. 



No prebasal plate exposed. Basal plate with exposed portion 3.33 times 

 wider than long; strongly narrowed cephalad. 



Middle piece of labrum triangular, not subtrapeziform as in P.froggatti, and 

 also somewhat larger than in the latter species. The upper bars of the fulcra 

 more slender, much less narrow r ed ectad than in froggatti. 



Lappets of outer branch of first maxillae longer than in the latter species. 



Second maxillae similar; pores more freely open on mesal side. First legs 

 very much smaller than the second which are equal in length to the third. 



First spiracle much larger than the second, slightly vertically elliptic. The 

 second of similar form but the others soon becoming strictly circular. 



Ventral plates coarsely punctate. 



Last ventral plate long and narrow, obviously longer than wide. Coxo- 

 pleurae with small pores, thirty to forty in number, below, laterally and above, 

 a few covered by edges of ventral plate; pores above are at anterior end. 



Anal pores large ana" distinct. 



Pairs of legs, seventy-one. 



Length, 45 mm. 



103. Pachymerinus froggatti Brolemann. 



Records of Austr. mus., 1912, 9, p. 61. * 



Localities. — New South Wales: Penrith. 1 Queensland: near 

 Brisbane (W. M. Wheeler). 



