- 479 - 



TELLINA (I-CSISOA) 30ISRA Dall. 



Tell ilia d'eriaoa ) solera Dall, 1900, Trans. I'/agner Free Insi:. 

 Soi., Philadelphia, vol. 5, pt . 5, p. 1021; pt . 6, 

 pi. 49, fig. 5. 



DeaGriptioii. - "Shell minute, short, plump, with lov/ in- 

 flated 'bcar-a, roimded in front and belov;, Ghorter and "oliint he- 

 iiinr- ; sliR-htl^; fle:>:e:l, not rostrate, but with , jolote rad- 



ia.1 sulcus in the rifrht valve; sculpture of elevated crowde-'' con- 

 centric th-reads, 'beeoniin?? alterrjately obsolete tor/ards the ends 

 of the shell where the persistent threads are more slevated and 

 tend to become lamellose; hinge normal, strong for the size 

 of the shell; oallial sinus short, rouiid, cor;-^1nent below. Lon. 

 4.2, alt. 3.2, diam. 2 ram." 



"This libtle shell is not unlike T. acrocosmia Dall, but 

 smB,ller and without the stroiig ra'-^ial sculpture." (Dall, 19 '^0). 



Tyrx; locality .- "3owden, Jamaica. 



Heroarks .- The largest of the valves of this species has the 

 following dimensi -^nsi- length, 5.:.- :::....; alt., S.8 mm.; diam. , 

 1.5 mm. 



Occurrenc e . - I ow e r I .C io c e ne : B ow d en beds, B ov/ den. Jama i c a 

 (Dall, 1900). 



