93 



51. A. vappa, Midler and Troschel. 



South-West Australia (M. and T.). Port Jackson. 

 I am not certain of this identification ; it may he an 

 undescribed species. 



Gents Aechaster, Mutter and Troschel, 9 species. 



52. A. AtfGULATUS, Mutter and Troschel. 



Port Darwin. Torres Straits. 



53. A. ttpicus, Mutter and Troschel. 



Cape Grenville, Endeavour Eiver, Port Darwin. 



