MOLLUSCA.—HEDLEY. 11 
Cuspidaria infelix Thiele. 
Cuspidaria plicata Thiele. 
Cyamium rotundatum Thiele. 
Ptychocardia rudis Hedley. 
Pseudokellya stillwelli Hedley. 
Minolia thielei Hedley. 
Trichotropis antarctica Thiele. 
Pellilitorina rossiana Smith. 
Marsemopsis mollis Smith. 
Harpovoluta vanhoffeni Thiele. 
Oenopota davisi Hedley. 
Pontiothauma ergata Hedley. 
Probuccinum costatum Thiele. 
Neobuccinum eaton Smith. 
Trophon coulmanensis Smith. 
Trophon longstaffi Smith. 
Neacteonina fragilis Thiele. 
Newnesia antarctica Smith. 
Toledonia globosa Hedley. 
Toledonia major var. elata Hedley. 
Noteolidia depressa Eliot. 
Spiral of Gasteropod eggs. 
Dentalium majorinum Mabille & Rochbrune. 
Sration ITI. 
Steering west, the “ Aurora” now recrossed Commonwealth Bay, and on the last 
day of 1918 shot the trawl in South Lat. 66° 32’, East Long. 141° 39’. The surface 
temperature was — 1-62 C., depth 157 fathoms, and bottom ooze. Mollusca were 
represented by the following :— 
Lissarca notorcadensis Melvill & Standen. 
Adacnarca nitens Pelseneer. 
Tima hodgsoni Smith. 
Notochiton mirandus Thiele. 
Callochiton gausst Thiele. 
Minolia dulcis Smith. 
Trichochoncha mirabilis Smith. 
Marginella hyalina Thiele. 
Admete delicatula Smith. 
Probuccinum tenuistriatum Hedley. 
From the D’Urville Sea, between the meridians of 140 and 146, on the coast 
of Adelie Land, whence no mollusca were previously known, this expedition thus obtained 
77 species of Gasteropoda, Pelecypoda, and Scaphopoda, of which 23 are new. The 
