84 JOURNAL OF CONCHOLOGY, VOL. 9, NO. 3, JULY, 1898. 



Irus macrophylla Dh. — Quite young, no mature examples. A 

 beautiful species, much lighter, more rounded, and having the laminae 

 more produced than our British V. irus; it also differs in being 

 foliated and cancellated. Philippines. 



Fam 1 1 ,y PE TP ICO LIB. E. 



Petricola lithophaga Retr. — Indistinguishable from European 



specimens. 



Family DONACIDAi. 



Donax (Hecuba) scortum L.*- -Several, in various stages of 

 growth. Cape of Good Hope. 



Donax (Latona) abbreviatus Lm.* — Many examples. Philip- 

 pines. 



Donax (Latona) cuneatus L. — Four specimens. Ceylon. 

 Family PSAMMOBI1D.E. 



Gari anomala Dh. — One small but perfect example ; also 

 reported from Australia and New Holland. 



Sanguinolaria hendersoni M. & S., vide antea, p 33 1 



Family SOLEN1Dy1<:. 

 Siliqua radiata L. — Very beautiful and well-coloured examples. 

 Sumatra. 



Family MESODESMATIDJE. 

 Mesodesma (Paphia) trigona Dh. — Large examples. Habitat 



hitherto unknown. 



Family MACTPLDsE. 



Mactra attenuata Dh. — Several ; somewhat attenuated pos- 

 teriorly, and of a peculiar dark livid ash-violet, within and without. 

 Habitat hitherto unrecorded. 



Mactra fasciata Lm. — Several ; agreeing with Reeve's descrip- 

 tion. 



Mactra spengleri Born [~M. Icevis Chemn. var.). — Our speci- 

 mens are rather young, but agree with the description and figure in 

 Reeve. 



Schizodesma spengleri L. — Several typical examples. 



Family MYIDM. 

 Corbula modesta Hinds*. — Five, all young, but agreeing with 

 Bombay specimens received from Mr. Abercrombie. Philippines. 



Corbula sulcata Lm. — Three young but recognisable specimens. 

 Senegal. 



Family PHOLABIBsE. 



Martesia Striata L. — A drift species, its distribution therefore 

 extending over the tropics. The "Challenger" specimens in the 

 British Museum came from the Arafura Sea. 



1 The description of this species was published on the cover of the Journal on Jan. ist., 1898. — Ed. 



