92 CHICOREUS. 



or ribs, as the species is compared to M. manrus, Brod. Yellow- 

 pink, pink within the aperture. Length, 1*8 inches. 



NonM Hiva ; Marquesas Archipelago. 

 This is also a depauperated shell ; it has close relationships 

 with M. Rossiferi, Crosse. 



M. cERVicoRNis, Lam. PI. 15, fig. 155. 



Eeadil}^ distinguished from all others liy its bifurcated spines. 

 White to fulvous. 2 inches. 



Ind. 0., Torres 8ts., Austr. 20-30 fms. 



M. LONGicoRNis, Dunkcr. PL 15, tig. 156. 



The double series of very long, closed variceal spines, devoid 

 of fronds give this shell a verj- distinctive character, causing the 

 bod^'-whorl to appear biangulate and the spire babjdonic. 

 Light brown, revolving lines darker. Length, 3 inches. 



Amboina. 

 M. MONODON, Sowb. PL 16, fig. 158. 



This has the same long spines as the preceding, but they are 

 more curved, somewhat frondose and three in number on each 

 varix of the bodj' -whorl, whilst on the upper part of the canal 

 there is another very long spine curving backwards so as to form 

 almost a semicircle ; there are many smaller spines and the ex- 

 ternal lip is also spiniferous, including, inferiorly, a long, direct 

 tooth. Whitish or brownish, aperture red. 



Length, i^ inches. 



Torres Sts., Austr. 

 M. AXicoRNis, Lam. PL 16, figs. 161-164. 



There are from two to three longitudinal ribs between the 

 varices, and the latter are frondosely spinous ; upper spine long 

 and curved, appearing on the spire whorls ; there is a shorter 

 prominent spine on the lower part of the bodj'^-whorl, and 

 another, still shorter, between the two ; there are also several 

 well-developed spines on the canal portion of the varices. Yel- 

 lowish-white to dark brown, the raised revolving lines darker. 



Length, 1-5 to 4 inches. 



Ind. Archipelago. 



Messrs. Higgins and Marrat have described Murex imbricatus 

 (fig. 163), said to have been dredged in Carinage harbor. Island 

 of Grenada, W. I. The shell figured b}^ them (and which I copy) 



