364 Quaiierly Joiinuil of ConcJioIogv. 



former freckled with wliite and black, and t'pped with pale 

 rose ; the mantle exhibits a few marginated specks like 

 those on the siphon. 



di. Coxus RHODODEXDRON, Couth. We found several beach- 

 worn examples of this beautiful species at Rarotonga, one 

 of the Cook's group, and received two larger specimens 

 from Starbuck Island. 



d})- CoNUS scABER, Kien. Several examples occurred on reefs 

 at the Kingsmill Islands. 



64. Coxus soLiDUS, Sow. A beautiful and somewhat rare species ; 



found under clumps of coral on reefs. 



65. Coxus sPOXSALis, Chem. Common on reefs. 



Animal pinky-white ; the ends of the siphon and both 

 extremities of the foot intense carmine, and everywhere 

 veined and punctulated with opaque white. 



66. Coxus STRIATUS, Lin. Not uncommon, and most generally 



found on weedy and stony bottom. Our largest and finest 

 marked examples were obtained at the Society Islands. 



Animal creamy-white ; foot closely mottled with red- 

 dish-brown on the upper surfoce ; creeping disk tawny- 

 yellow, varied with light reddish-brown ; siphon trans- 

 versely pencilled with light brown ; head and tentacles more 

 or less tinged with reddish-brown. 



67. Coxus Tahitexsis, Brog. Found at all the South Sea 



groups, but not plentiful ; on reefs. 



Animal rich, dark olive-green, profusely freckled with 

 black. 



68. Coxus TEREKRA, Bom. Though having an extensive range 



through the South Seas, it is not very plentiful ; on reefs. 



The animal has a yellowish-brown foot, veined with 

 deeper brown and a black spot marks the upper anterior 



