200 THE PROCEEDINGS OF THE LINNEAN SOCIETY 



Purpura mancinella, Reeve, Conch. Icon., pi. 1, species 2. 

 Hab. Darnley Island, Torres Straits. Found on the reefs under 

 blocks of coral at low water. 



2. — Purpura (Thalessa) echinata. 

 Purpura echinata, De Blainville, Nouv. Ann. da Mns.,pl. 11, f. 2. 



„ „ Reeve, Conch. Icon., pi. 7, species 33. 



Hub. Darnley Island, Torres Straits, found on the reefs under 

 coral. Also found at Port Darwin (Mr. Bednallj. 



3. — Purpura (Thalessa) hippocastanum. 

 Murex Jiippocastanum, Linn. Gmel., p. 3559, No. 48. 

 Purpura liippocastanum, Lam., Anim. Sans Vert., tome 7, p. 238. 

 „ „ Reeve, Conch. Icon., pi. 8, species 34a. 



Sab. Barnard Islands No. 3, North-East Australia ; Darnley 

 Island, Torres Straits. Specimens very small. 



4. — Purpura (Cronia) amygdala. 



Purpura amygdala, Kiener, Icon. coq. 9, pi. 10, f. 26. 



Buccinum amygdala, Reeve, Conch, Icon., pi. 8, species GO. 



Hab. Home Islands, off Cape Grenville, North-East Australia; 

 also Moreton Bay, Port Denison, Port Jackson and Port Darwin 

 (Brazier). 



5. — SlSTRUM OCHROSTOMA. 



Ricinula ochrostoma, De Blainville, Nouv. Ann. du Mus. p. 205. 



„ ,, Reeve, Conch. Icon., pi. 4, species 31. 



Hab. Darnley Island, Torres Straits. Found in coral at low 



watei*. 



6. — Sistrum concatenatus. 



Murex concatenates, Lister, t. 954, f. 5. 



„ y , Lam. Anim. Sans Vert., tome 7, p. 176. 



Ricinula concatenata, Reeve, Conch. Icon,, pi. 3, species 18a. 18b. 



Hab. Warrior Reef and D largeness Island, Torres Straits. 



Found at low water under broken coral. 



7. — Sistrum muricatus. 

 Ricinula muricata, Reeve, Conch. Icon., pi 5, species 39. 

 Hab. Home Islands off Cape Grenville, North-East Australia. 

 Found on the reef at low water. 



