often nep-lip-ible . On the whole, the three forms in f-^e order 

 ovalis , oval is supraeanoellata . oval is siih angular i s constitute 

 a series from lar,fre and slightly ohlique to small and more decided- 

 ly oblique; the differences are, however, slight and the forms app- 

 arently variable, so that they might vrell be considered identical. 

 Dall (1) considered the Bo'-vden and Trinidad specimens identical 



(1). Trans. 7/agner Free Inst. Sci., Philadelphia, vol. 3, pt, 

 4, p. 607, 1898. 



and stated that they icay be the s-^me «s ovalis . 



The recent ITorth Atlantic and ./est Indian L. minuta Phillipi (l) 

 is typically more oblique, more conver-r and more finely scul-otured. 



(2). En. Moll. 3ci., vol. 1, p. G3, pi. 5, fig. Z; vol. 2, p. 45. 



Oocurren?e .- 'Lower Miocene: Bowden be'ls, Bowden, Jamaica. 

 (Dall, 1898) 



