225 



Meristella haskinsi. Hall. (Fig. 134.) (Pal. N. V., 

 Vol. IV., p. 30(3, PI. XLIX.) 



Distinguishing Characters. — Broadly ovate outline with 

 greatest width anterior to the middle; length and width 

 about equal ; slight sinuation in front; anchylosed deltidial 

 plates; fine, thread-like, concentric surface stria 1 , and occa- 

 sionally faint radiating stria?. 



Found in the Encrinal limestone, at Section 5 ( rather rare). 



Meristella rostrata. Hall. (Fig. 

 135.) 



(Pal. N.Y., Vol. IV., p. 307, Pis. L., 

 LXIII.) 



Distinguishing Characters. — Small 

 size; greater length than width, 

 rounded below and often subattenu- 

 ate above; shallow, rounded sinus in 

 pedicle valve; fine concentric stria?, 

 and, in exfoliated specimens, slender, 

 distant, radiating stria?. 



Found in the Encrinal limestone, at FlG 135 Meristella rostrata. 



q ,. p» / \ Profile, dorsal, ventral, and front 



feeC LlOn < ) ( rare ) . views of a specimen (from Hall). 



»>"^ 



Fig. 135A. Meristella barrisi. Dorsal, lateral, and cardinal views of an elongated 

 individual ; dorsal views of two other individuals (from Haiti. 



