30 LORD HOWE ISLAND. 



Helix textrix, Pfr. 

 " — „ Ledgbirdi, Brazier (sp. nov.). 

 „ Balli, Brazier (sp. nov.) 

 ,, cimex, Pfr. 

 — „ Unwini, Brazier (sp. nov.). 

 „ Wilkinsoni, Brazier (sp. nov.). 

 Bulimus bivaricosus, OasJc. 



„ „ var. cuniculoides, Cox. 



Helicarion Hilli, Cox. 

 Vitrina Etheridgei, Brazier (sp. nov.). 

 Tornatellina inconspicua, Brazier. 

 —Sirnpulopsis Mastersi, Brazier. 

 Ornphalotropis exquisita, Pfr. 



„ Pfeifferi, Crosse. 



Eealia, sp. 



Diplommatina Macgillivrayi, Pfr. 

 „ capillacea, Pfr. 



„ Cantori, Pfr. 



„ chordata, Pfr. 



Bythinella Whitleggei, Brazier (sp. nov.). 



„ Bam say i, Brazier (sp. nov.) 



Ostrea, sp. a. 

 „ sp. b. 

 Avicula fimbriata, Peeve 



„ malleoides, Peeve. 

 Pinna, sp. 



Lima multicostata, Sby. 

 Modiola, sp. 



Litharca decussata, Sby. 

 Area divaricata, Sby. 

 Pectunculus tenuicostatus, Peeve. 

 Chama, sp. 



Tridacna elongata, Lamk. 

 Carduim nnedo, Linn. 

 Lucina interrupta, Lanih. 



Crassatella pulcbra, Peeve, var. Cumingi, A. Ad. 

 Tapes literata, Linn. ' 

 Mesodesma glabrata, Lamk. 

 Mytilicardia variegata, Brug. 



Tunicata — Ascidians are excessively common on tbe stones and blocks, 

 and in the depressions and hollows of the Coral-reef, and many of a very 

 marked appearance. Our knowledge of tbe Australian species is too limited 

 to permit of any remarks being made. 



Insecta — The Insecta, and allied classes were not made a special object of 

 search, but were simply captured when presented to our notice. Indeed, 

 the season was not sufficiently advanced for collecting one order at all — the 

 Lepidoptera, a solitary individual being the only one seen and that shortly 

 after our arrival. 



JSo far as our collection can be taken as a test, the Coleoptera are the most 

 abundant, and as it happens this order has been, through the researches of 

 the Hon. W. Macleay, Mr. P. P. Pascoe, and Mr. A. S. Olliff, and others, more 

 systematically worked out than the others. Amongst the Longicorn Beetles 

 we obtained what is believed to be Cnemoplites Sowei, Thomson, and Ceresium 

 simplex, G-yll. Two examples of Blax Wollastoni, "White, were discovered, and 



