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Section Euvola Dall . 

 PEGTEIT (EUVOIA) BOV/DEITEITSIS Dall. 



PeGten f Uuvola) bov;'denensis Dall, 1893, Trans. '.Vagner Free Inst. 



Sci., Philadelphia, vol. 3, pt. 1, p. 715, -pi. 29, fip;. 1. 

 ? Peoten (Eiivola^ b--r;rlenensis D all. B6sr, 1905, Bol. 3oo. Geol. 



mexicana, vol. 1, p. 145, (oheck list]. 

 ? Pecten (Euvola) "bo-.vdenensis Dall, BBse, 1905, Bol. Inst, s-eol. 



mexico, no. 22, p. 27, pi. 1, figs. "3, 10. 



Description. - "3hell resembling P. ziezao L. in the right 

 valve, T;ith about twenty- three obsolete snioo''"h ribs separated by 

 inipres^:ed lines; right valve very convex; ears snbeqnal, s-iiooth, 

 notch narrow, deep; left velve v/ith seventeen low, rounded ribs sep- 

 arateil by rider, squarely impressed Interspaces; subrnargins wide, 

 smooth; disk mof^erptely concave; ears subeoual, smooth, conccvely 

 arched; interior margin of the bsse with pairei lirse, the pairs 

 seiDaratefi by deeper chan" els ; cardijoal ui'iira obvious. Alt. 45, 

 let. , 44.5 mm." 



"The SG^il-oture of the ]eft valve definitely seriarates this 

 species from the young of ?. zicz^c . ?. me'^ius and allie"^ forms 

 kno'A-n from this region." (Dai:!, 1808), 



Type locality .- Bowden, Jamaica. 



