PALEOZOIC PALEONTOLOGY. ' 
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BRACHIOPODA. 
PHOLIDOPS OVATA Hall. 
Plate XX., Figs. 27-29. 
1859. Pholidops ovatus Hall, Pal. N. Y., vol. III., p. 490, pl. 103 B, 
figs. 7 a—b. 
Description.—Shell small, ovate to subelliptical in outline, slightly 
narrower in front, apex excentric posteriorly. Surface marked by 
fine, sublamellose, concentric lines. Internally the anterior adductor 
muscle impressions are situated at about the midlength of the shell; 
each impression is elongate-subelliptical in outline, their anterior ex- 
tremities not in contact and their long axes at nearly right angles 
to each other. The posterior adductor muscle impressions much 
smaller, circular in outline, and situated just beyond the posterior 
extremities of the anterior impressions. 
The dimensions of one of the largest specimens observed are: 
length: 2.7 mm.; width, 2.25 mm. 
STROPHEODONTA BIPARTITA (Hall). 
Plate XX., Figs. 1-5. 
1852. Leptana 
figs. 3 a—b. 
1852. Leptena bipartita Hall, Pal. N. Y., vol. II., p. 326, pl. 74, 
figs. 4a—b, 5a. 
1852. Strophodonta textilis Hall, Pal. N. Y., vol. II., p. 327, pl. 74, 
sp. Hall, Pal. N. Y., vol. I1., p..326) ple 74) 
figs. 6 a—d. f 
1859. Strophomena bipartita Hall, 12th Rep. N. Y. State Cab. Nat. 
ist... 82. 
1878. Strophodonta nearpassi Barrett, Am. Jour. Sci., 3d ser., vol. 
XV., p. 372. 
1892. Stropheodonta (Leptostrophia) textiis H. & C., Pal. N. Y., 
vol. VIII., pt. I., p. 288. 
