Genus Latirus. 383 



It is curious how deficiently represented in local lists of 

 collectors' findings, the genera under discussion are. For 

 instance, in the list of shells found in the Mergui Archipelago, 

 Bay of Bengal, described by Prof E. von Martens, none 

 are mentioned {Proc. Linn. Soc. XXL, pp. 155 sqq.), the 

 Taron dubiits had not then been discovered. None occur in 

 either Prof Martens' or Mr. Hutton's Lists of New Zealand 

 shells.* None occur in either the lists compiled by Mr. 

 SylvanusHanley in "Ceylon," by Sir J. Emerson Tennent, nor, 

 again, in Mr. A. W. Langdon's lists of the shells of the same 

 Island (Joiirn. Conch., I., p. 71). Mr. Brazier, in the same 

 publication (Vol. II., p. 186 sqq.,), only mentions one species 

 P. incarnata (Desh), in his account of the marine Fauna of 

 Fitzroy Island, Australia. The Rev. Philip P. Carpenter, 

 in 1853, names 4 species as occurring in the Gulf of 

 California, 5 on Central American Coasts (Pacific), 6, in- 

 cluding the unique L. tumens (Cpr.), from Panama, 3, viz., 

 L. ceratus^ tuberadatus, and varicosuSy from the 

 Gallapagos Isles.f The total number of species on 

 the North and Central Pacific Coasts of America being 

 J I, some found of very wide distribution. In the 

 Gulf of Mexico but few occur; at the Island of Curagoa, 

 north of Dutch Guiana, Dr. Epp has lately found two 

 species, L. distinctus (A. Ad.) and a new form, L. EppL 

 When I was on the coral reefs, off the south coast of 

 Florida, in 1872, I only collected two species of Z^/m^j, J 

 one being L. cinguliferus (Lam.), var. Knorrii (Desh.), the 



*Cat. Marine Moll, of N. Zealand, 1873, ^Y F- Wollaston Hutton. 

 Crit. List Moll, of N. Zealand contained in European collections by Prof, 

 Edouard von Martens, M.D., etc., 1873. 



t c.f. C. B. Adams, Ann. N.H. Lyceum of New York, 1882, p. 355 sqq., 

 in which a list of Panama and Taboga Marine Shells is given. 



%c.f. Bulletin, U.S.A. Nat. Museum, No. 37, by W. H. Dall, 1889, who 

 enumerates in this Catalogue of the Marine Molluscs of the South Eastern 

 Coast of N. America, 5 sp. of this genus, viz. : ocellatus, brevicaudatuSj 

 £ingttliferus, Cayohnesonicus, and inftindibulum. 



