alt., 9,1 cmi., cliam. 2.9 mm. 



Yoxaig valves on which, the radi.?.!?' are siiheqiial rm;,- possibly 

 ■"0 9 confused with certain form^.^ oJ :.::« .-GconiiDani^ing- jhacoides 

 ( Be71ucina ) act inns Dall, bxit that species is 1- nilateral, with 



friller imihones, coarser and more regi^lar radials, concentric sculp- 

 tx-ire consisting of sharp, thin lai^iellae, a wider limule, an es- 

 cntcheon, weaker cardinals and more elongate laterals, especially 

 the posterior, 



Dall notes that this species in the Guppy collection core the 

 label " Liicina -ecten var. antillarum ." 



5-a,bb's (l) Santo Domingian. lucina antillariun P.eeve. which 



^1), Trails, iim, Philos. Soc, new ser., vol, lo, p. 251, 1873. 



Dall placed in synonymy, is more like the recent arxt illariim . 

 being more roimde'', more imiformly -:, with broader mibones 



and weaker sculpture. 



Occurrenoc - Lov/er r.ioeene: Bowden beds, Bov.den, Jamaica 

 (Dall, 1903). 



