

Jy-pe loealit;; .- -SovTden, Jamaica. 



?.en£r::s .~ This species is imrepr esentecl in the material at 

 hand. The concentric sciilptirre is recog-nisahle p.s noclnJes, erod- 

 ed from much of the surface of the type, '"hich are most -nrominent 

 anteriorl5? and tov/ard the margi_ ^omes pustulose, hut r , ]- 



spinose. The radials are >'->.-'a-!^ -...- -eii defined as is shown on the 



figure. 



The elm racteri Stic features are the pustulose sculpture aiid 

 sr.iall deep lunule. 'Tl^.ere is no ■'" —iaility of ^-^^ ■^■^'^•i-- -^-i-^*- 

 species v/ii3i the recent .Vest Indian 0, orhlc:iLaris 'Linnaeus) (1), 

 which ran5-9S hack to the Pliocene, hecause of its much smaller 



(1), '];,':5i;. Tat., aa. 10, p. ooc, 175S, (as Venus or oicularis ) ; 

 - Luc in a ti;?srina I^eeve . Oonch. Icon,, vol. 6, Luc iiia . 

 :~1. 1, fio,'- ^, IS 50 (non Linnaeus), 



size, more rouixled outline and less pronoxmced radials. Dall (2) 

 has suA'gested that Guo-n^/'s citation of L. tip-erina from the"MioGe:"ie" 



("). loc. cit.. 



of Jamaica mav refer to a large species of Jodakia from a limestone 

 at Olairnont, St. Ann's Parish, Suppy, however, ;loes not seem to 

 have recorded ti ^erina from Jamaica, although in IGV-l (5) he cited 



