22 STUDIES ON AUSTRALIAN MOLLUSCA, 



Type — To be preserved in the Australian Museum. 



I have had the pleasure of showing this remarkable little shell 

 to Prof. Tate, who confirms me in regarding it as new. The 

 feeble ligament and tightly closed valves suggest to me that this 

 Lima is no swimmer. 



On the Challenger Station, 164 B. 



One of the Australian "Stations" of the cruise of H.M.S. 

 Challenger is known as 164 B. It is situated a little distance 

 east of Sydney in a depth of 410 fathoms. Here the expedition 

 is reputed to have obtained a quantity of shells. Most are 

 known from this haul alone. 



Of these are: — Necera angasi, Lima muri^ayi, L. aitstralis, 

 Pecten challengeri, JVucula umbonata, JV. dilecta, Tellimya Huhacu- 

 minata, Solarium atkinsoni, Scahi distincta, Mitra miranda, 

 Marginella carinata, M. brazie^'i, Cancellaria exigua, Pleici'otoma 

 challengeri, P. crossei, P. hoylei, P. watsoni, Odostomia fischeri, 

 0. consanguinea, 0. constricta, Bulla incommoda, Cylichna 

 ordinaria and Lej)eta alta, all of E. A. Smith ; Trochus glyptus, 

 Trophon carduelis, Fusus jx^yodoides and Nassaria campyla, of 

 R. B. Watson; Tiirritella smithiana and T. crenulata of Miss J. 

 Donald. 



Except for their presence in this haul the remainder of the 

 species are known only from the North Atlantic Ocean, namely: — 

 ■Rissoa deliciosa, Jeffreys; Dentalium ensicidus, Jeffreys; D. 

 panormitanum, Chenu; C'usjndaria teres, Jeffreys; Poromya 

 neceroides, Seguenza; Cadulns propinquus, Sars (or C curtus, 

 Jeffreys) ; Dentalium capillosuin, Jeffreys ; Scaphander gracilis, 

 Watson; Scissurella crispata, Fleming; and Seguenzia carinata, 

 Jeffreys. 



Mr. E. A. Smith, who has dealt with this collection, remarks 

 on it as follows: — "The specimens in question were picked out of 

 samples of sea-bottom, which have been examined since the 

 reports on the Gasteropoda and Lamellibranchiata by the Rev. 

 R. Boog Watson and myself respectively were published. Mr. 



