BRACHIOPODA — TELOTREMA TA. 



351 



408. A. (Leptoccelia) flabellites (Conrad). (Fig. 457.) ^Devonic. 



Pedicle valve convex, most prominently along the middle. 



Brachial valve flat. Sinus of brachial valve and fold of pedicle 



Fig. 458. Vitulina pustulosa (Pal. N. Y., IV.). 



valve quite indistinct. Shell much larger and striae less numerous 

 than in A. concava. 



Oriskany and Onondaga of New York, Maryland, Illinois, On- 

 tario, Quebec. 



CXIX. Vitulina Hall. 



Small. Pedicle valve usually convex and brachial flat. Hinge 

 line forming the greatest diameter of shell. Pedicle opening large 

 and triangular. Cardinal process 

 simple. Devonic. 



409. V. pustulosa Hall. (Fig. 

 458.) Devonic. 

 On pedicle valve an elevated 



fold present with depression in its 

 center; on brachial valve a sinus 

 with a corresponding fold in the 

 center. Surface marked with a few 

 coarse rounded plications. Inter- 

 rupted radiating lines give the shell 

 a pustulose appearance. 



Hamilton of New York, Penn- 

 sylvania. 



CXX. Meristina Hall. 

 Like Merislella externally, differ- 

 ing merely in the character of the ?1G ^ Meristina maria. 

 loop connecting the spirals. Siluric. ter Nettelroth. ) 



410. M. maria Hall. (Fig. 459.) Siluric. 

 Subquadrangular, gibbous, subequally biconvex. Beaks closely 



incurved. Pedicle valve with a broad sinus anteriorly and brachial 

 valve with a corresponding fold. Surface marked merely with con- 



