Explanation of Plate XIII. 



Fk;. 1. Terebra of Ophrynopus sericatus, $. 



2. Apex of „ „ more highly magnified. 



3. „ ,, „ still further magnified. 



4. " Saw " and " support " of Perga castanea. 



5. „ „ „ gravenhorstii. 



6. "' Saw " of Xyloperga wnivittata. 



7. Support of ,, ,, 



8. Saw and support of Zenarge turneri. 



!). ,, ,, Philomastix nancarrowL 



J(). .. ,, Phyktcteophaga eucalypti. 



II. ,, ,, Pterygophorus uniformis. 



Ii*. ,, „ Clarissa divergens. 



I.'!. „ „ DipJi/nnorphox in 'nun: 



