Notes on the Collection 41 



are gathered so slowly after the first fifty species, 

 that this great representation is marvelous. Here 

 is the extremely rare Mitra zonata, the most precious 

 shell ever found in the Mediterranean. Mrs. Williams' 

 specimen is a fine one, two and five-eighths inches in 

 length. And here are M. angustata, belcheri, chrysal- 

 loidea, lamarcki, coccinea, fischeri, fulgurata, lineata, 

 lubens, pullata, rupelli, schombergi, verrucosa, with 

 scores of others of great beauty, and of very much 

 more than passing interest to the connoisseur. 



Exceedingly attractive also are the little Mar- 

 ginellidae, and of these (Marginella and Erato) there 

 are two hundred kinds in the collection, including 

 Marginella deoduchus, pyrum, umbiculata, bairstowi, 

 and others that are extremely rare. 



A hundred species of "Olive shells" (Olividae) 

 await admiration. There is a fine large Ancilla cin- 

 gulata, the largest of its race and probably the largest 

 specimen, besides A. contusa, optima, tankervillei, lien- 

 ardi, and a score of other Ancillae. 



The species of Oliva and Olivella shine conspicu- 

 ously in fine assemblage, and near them are their cous- 

 ins the "Harps," a complete family almost overshadow- 

 ing their relatives. Among these is a unique variety of 

 Harpa rosea and a young specimen of Harpa nobilis 

 in color like the former species. Here as always it is 

 the fullness of individual variation and the beauty and 



