324 CRUSTACEA DREDGED OFF PORT JACKSON. 



EXPLANATION OF PLATES. 

 Plate X. 

 -Cymonomops similis, sp.nov. 

 -Latreillopsis Petterdi, sp. nov. 



— „ „ abdominal segments. 



— „ „ frontal region seen from below. 



Plate xi. 

 -Hyastenus Fultoni, sp.nov. 



-Ibacus alticrenatus Spence Bate, var. septemdentatus, var.nov. 

 -Paguristes aciculus, sp.nov. 



— ,, ,, terminal segments of pleon. 



