Orrler A II K A I D 2 S M A E A . 



Superfamily P H I.I Y A E A . 

 Family Verticordiidae . 

 Genus VSI^TIOOHijIA 7ood. 

 Subfrenus Trigonulina d'Orbipnj?. 



VEHTIOORDIA ( THIGOITUIIIJA) BOV/DEITSITSIS Dall. 



. Yertioordia ( trigonulina ) bowde... ..^is Dall, 1903, Trans. ;/a-~ner 

 Free Inst. Sci.. Philadelphia, vol. 5, nt. G, p. 1512. 



Desoription.- "Shell snail, rotund, rather convey-, v,-ith eighi 

 or nine anterior radial ribs v/ith deep, sube^ual interspaces, then 

 a wide spaoe f ollcve 1 by tv7o ad.-aoent ribs, then a much wider space 

 with another ad.lace-it pair beyond it seoarate^. by a sm::oth area, 

 lar-er in the left than in the ri-ht valve, from the posterior 

 margin; the surface when intect is covered -ith minute granules 

 arranP-e'-i in rows harmoni,^ino- va th the ribs; lunul e very deeply im- 

 pressed in the left valve, less so in the ripht; tooth of the ricrht 

 valve large and strong, the posterior marp-in of the left valve mod- 

 ified to form a lamina or lateral tooth received in a groove of 

 the o-oT^osite valves. Lon. 2.?, alt. 2.6, diam. 2.0 mm." 



"Very similar to V. Gossiranni [ball fl), Jackson and Jhipola] 



(1). idem. 



