36 THE NAUTILUS. 



NOTES. 



Note on Cypr^a Coxeni Cox Having recently had the good 



fortune to obtain a specimen of this rare and interesting species, 

 my attention is directed to certain particulars in which it differs 

 materially from the only figure and description at present available 

 to me — those contained in Mr. Roberts' monograph in Tryon's 

 Manual of Co'nchology. This specimen, which appears to be some- 

 what worn, has the irregular chestnut-brown markings described as 

 characteristic of the species, but is otherwise entirely white. In- 

 stead, however, of being a tapering shell, as shown in the figure 

 referred to, or of being similar to C. cr'ibraria, to which it has been 

 compared by Mr. Brazier and Mr. Roberts, it is cylindrical, opaque 

 and heavy in appearance, and its form throughout is almost precisely 

 that of C. rhinoceros Souv. (C. interrupta Gray, var.?), the white 

 base and margins being the same, but the columellar teeth extending 

 further across the base, as mentioned by Mr. Melvill in his " Survey 

 of the Genus Cypraea " (p. 230). This species should not be con- 

 fused with C. Coxi Braz., a thin yellowish or cream-colored shell, 

 which Dr. Cox believes (MS. letter) is not entitled to specific rank 

 and which Mr. Roberts thinks may have been based upon a young 

 specimen of C. errones. — Fred. L. Button. 



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 a total of 34 pages and three excellent phototype plates. The text 

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