170 THE PROCEEDINGS OF THE LINNEAN SOCIETY 



great error; I have received specimens from Nicol Bay, North- 

 West Coast of Australia, thrown on shore after gales. 



3. — MUREX EXIMIUS, N. SP. 



Shell thin, club-shaped, whorls 7, roundly convex, suture deeply 

 excavated, three varicose, having two somewhat blunt-pointed 

 sj ines, one line in length on each varice ; varices rounded, rather 

 oblique, excavated behind, between longitudinally nodulously fine- 

 ribbed ; transversely striated, interstices with much finer stria?, 

 cream colour, blotched below the suture with pale chestnut, before 

 and behind the varices of the same colour, aperture nearly round, 

 inner lip smooth, outer denticulated at the edge, interior of aper- 

 ture tinged with violet, canal elongated, straight. 



Length 22, breadth 8|, alt. 7 lines. 



Bab. Darnley Island, Torres Straits, 30 fathoms, brought up on 

 the tangles, bottom sand. 



This beautiful species differs from Murex rectirostris, Sowerby, 

 in having five longitudinal somewhat nodose ribs, with transverse 

 elevated lines, having three varices with two spines on each, the 

 first at the back of the lip little above the centre, the second at the 

 second vai-ice on the back, the third at the varice on the pillar or 

 columella side, the other three spines placed on the second whorl, 

 the other five whorls are destitute of spines. The shell has a three- 

 sided appeai'ance. 



4. — Murex (Chicoreus) ramosus. 

 Murex ramosus, Linn, Gmel., p. 3528, No. 13. 



„ inflatus, Lam., Anim. Sans. Vert., tome 7, p. 160. 

 ,, ramosus, Reeve, Conch. Icon., pi. 1, species 3. 

 Hah. Darnley Island, Torres Straits, found on the reefs. 

 This is the large common and well-known species found in 

 gardens with rock work, also used to ornament fireplaces. 



5. — Murex (Chicoreus) adustus. 

 Murex adustus, Lam., Anim. Sans. Vert., tome 7, p. 162. 



„ „ Reeve, Conch. Icon., pi. 8, sp. 29. 



Hah. Darnley Island, Torres Straits, found on the reef under 

 coral. 



