216 Arthur M. Lea : 



Match idus tibialis, Blackb. 



Numerous specimens of this species were seen on one occasion 

 by Mr. Froggatt in galleries of L'dptoterines lacteus. 



Phyllotocus himarulatus, Er. 

 An occasional visitor to nests of M yrintna pyrifnrmis. 



Cryptodus. 



Probably all the species of this genus, at one time or an- 

 other, resort to the nests of ants, the very curious modification 

 of the cephalic appendages seeming to demonstrate the need of 

 some special protection. They do not appear, however, to be 

 interfered with by the ants. 



Cryptodus raviceps, Waterh. 



Of this species a pair in cop. were taken on top of a nest of 

 the common mound-building ant Leptomyrmex detectus. It 

 quite frequently comes to light in S.W. Queensland. 



Cryptodus paradoxus, W. S. Macl. 



This sjjecies may frequently be seen with small black ants^ 

 under logs, and Mr. Cox has taken it in nests of Camponotus 

 nigriceps. 



Cryptodus tasmannianus, Westw. 



A specimen, apparently a small male of this species, was taken 

 in a nest of Camponotus nigriceps, near Sydney, by Mr. W. H. 

 Cox. 



Cryptodus variolosus, ^^^^ite. 



Common in the coastal districts of W. Australia in nests of a 

 small blackish ant (probably an Iridoni}jrmer) that builds nest-8 

 of snoiall chips and twigs than can sometimes be set on fire. 



1 Probably a Colobopsis or Iridoinyniiex. 



