— 7 — 



from Dolium on account of the columellar lip; and so forth 

 with Typhis, Nassa, Azeca, Zua, Aplustrum, Scaphander, etc. 

 Thus classified, Mr. Mamo's Collection of shells repre- 

 sents all the Classes, Orders, and Sections of Woodward's 

 Classification, and 66 families out of the 81 natural families 

 of the same, exclusive of the Tunicata, and Cirripedia. It 

 comprises 290 genera, of which 15 are Cephalopoda, including 

 the Foraminifera, D' Orbigny, forwhich I could not find 

 another place in this arrangement, though I am aware that, 

 after Du Jardin, it is admitted, that they form a separate 

 branch of the Animal Kingdom inferior even to the Radiata; 

 118 Gasteropoda Prosobranchiata; 29 Gasteropoda Palrnonife- 

 ra; 10 Gasteropoda Opistho-branchiata; 2 Nucleo-branchiata; 

 3 Pteropoda; 8 Brachiopoda; and 98 Conchifera ; besides 7 

 Cirripedia. 



These genera include about 2,451 species belonging to 

 special Faunse of Land and Sea Shells of the Mediterranean, 

 of theRedSea, of the Indian Ocean, of the Philippine Islands, 

 of Sumatra, and Java, of Australia, of the Antilles, of Ja- 

 maica, of Cuba, of the Gulfs of Mexico, Darien, and Cali- 

 fornia, of the Archipelago of Gallapagos, and to the Fauna of 

 the Nayades of the great rivers of America, besides 53 mi- 

 croscopic species of which some are noted as very rare, 



The late Mr. Mamo succeeded in forming this copious 

 collection in 47 years, through the intirnate relations in which 

 he stood with many eminent Conchologists and Collectors of 

 Shells, and his extensive correspondence testihes to this. 

 Amongst his correspondents I may mention to you the names 

 of Prof. Gray, of the British Museum; Prof. Otto, of Liverpool; 

 Prof. Warwick, of the Zoological Gardens; Prof. W. V. Hen- 

 nack, of Plymouth; H. Cuming, of London; Lady Selina 

 Henry; Prof. Litch; Governor Sir W.Denison,of Australia; Prof. 

 Duffossi, of Paris; Prof. Cremiens, of Marseilles; Prof. Calioz, 

 of Vienna; and Prof. Maravigna, Piazza Ciantar, Aradas, 

 Guttadauro, and Benoit of Sicily, by whom Mr. Mamo was 

 held in a very high degree of reputation, for having been 

 the first and the only one, with accuracy and perseverance, to 

 form a collection, systematically arranged, of the Mollusca of 



