112 
NILS HJ. ODHNER, MOLLUSCA. 
Explanation of the Plates. 
Plate 1. 
Bulla tenuisculpta n. sp., from aperture. Broome. Nat. size. 
The same, from behind. 
The same, another specimen, from behind. 
Pecten difformis n. sp., from upper (left) side. Cape Jaubert. > 2.7. 
The same from lower (right) side. 
Pteria (Electroma) zebra Reeve, 2 sps. on Lylocarpus phoeniceus. Cape Jaubert, 42 miles W. S. W. 
xX 3.5. 
The same, 1 sp. on Plumularia badia. Cape Jaubert, 45 miles W. S. W. X 3.5. 
The same, 2 sps. on Plumularia badia, one of them with aberrant colouration. Cape Jaubert, 45 
miles W. S. W. X 3.5. 
Perna vulsella Lamarck, right valve from inside, with soft parts (mantle reflected in order to show 
the gills). Cape Jaubert, 42 miles W. S. W. Nat. size. 
The same specimen, left valve from outside. 
Modiola plumescens Dunxer. Cape Jaubert, 42 miles W. 8S. W. Nat. size. 
Pectunculus vitreus Lamarck, left valve from outside. Cape Jaubert, 46 miles W. S. W. Nat. size. 
The same specimen, right valve from inside. 
Pectunculus setiger n. sp., left valve from outside. Cape Jaubert, 48 miles W. 8. W. X 1.6. 
The same specimen, right valve from inside. 
Trigonia uniophora Gray, left valve from outside. Cape Jaubert, 42 miles W. S. W. X 2. 
The same, var. crebrisculpta n., left valve from outside. Cape Jaubert, 45 miles W. 8. W. x 2. 
Cardita squamigera Desnayes, left valve from outside. Cape Jaubert, 45 miles W.S. W. Nat. size. 
The same specimen, right valve from inside. 
Ephippodonta granulifera n. sp., left valve from outside. Cape Jaubert, 45 miles W. 8. W. x 3. 
Chione laticostata n. sp., a left valve from outside. Cape Jaubert, 45 miles W. 8. W. X 1.6. 
The same, a right valve from inside. 
Circe plana nu. sp., left valve from outside. Cape Jaubert, 45 miles W. 8S. W. Nat. size. 
The same specimen, the closed yalyes seen from the umboes; anterior margin above. 
The same specimen, right valve from inside. 
Chamostrea plicifera n. sp., left (upper) valve from outside. Cape Jaubert, 42 miles W. S. W. 
Nat. size. 
The same specimen, left valve from outside. X 2. 
The same specimen, right (lower) valve from outside. > 2. 
The same specimen, left valve from inside. X 2. 
The same specimen, right valve from inside. X 2. 
The same, another sp. from Cape Jaubert, 45 miles W. S. W., left valve from inside. X 3. 
The same specimen, right valve from inside. X 3. 
Emarginula galericulata A, Apams, from above. Cape Jaubert, 45 miles W. 8S. W. X 4.5. 
The same specimen from inside. 4.5. 
The same specimen from left side. X 4.5. 
