5316 TESTACEOUS MOLLUSCA. 
—Vanr.? P. Ecutnata, Brod. Z. P. 1834. Upper valve with rows 
of prickles; its margin purplish. 19. W. Indies. 
A. Zeuanpica. Gray, in Dief. N. Z—Pxiacuanomia Z. Gray, 
Z. P.1849, p. 123; Cat. An. p.13. Suborbicular, white, smooth ; 
upper valve with distant radiating grooves; internally dark green : 
subcentral scars 2, confluent, upper one oblong and longitudinal, 
lower one rather small and more transverse: perforation large, only 
shehtly embracing the thin plug. N. Zealand.* 
TRIBE BRACHIOPODA. 
Animal with 2 opposite ciliated elongated arms near the mouth, that 
are coiled up when at rest: mantle with 2 separated lobes in front, 
which envelope the body. Shell bivalve, inequivalve, equilateral ; either 
attached to marine bodies by contact, by a tendinous cord or a pedicle. 
CRANIA. 
Inequivalve, equilateral, rounded-subquadrate ; upper valve depressed 
convex, its vertex subcentral; lower valve testaceous, agglutinated to 
marine substances by its entire surface: neither hinge, teeth nor liga- 
ment. 
C. Personata. Hening. (as of Lam. 1) Cran. p. 2, f. 1—Sow. 
Th. 1, p. 867, t. 78, f. 9. Lower valve rounded-ovate, retuse above ; 
upper sears oblique, subreniform ; lower ones united together, forming 
one orbicular tuberculated impression, without any rostellum; disk 
with a radiating palmated impression; lower margin thickened, 
granular. %. India. According to Lamarck, the upper valve ts 
convex-conical. It is unknown to me. = 
C. Turpinata.—Anomia T., Poli, t 30, f. 15—C. Rineens, 
Hening. Mon. Cran. p. 8, f. 2.—Desh. E. 2, pt. 2, p. 16, and ed. 
Lam. 7, p. 8302.—Phil. Sic. 1, p. 100.—? Sow. Th. 1, p. 367, t. 73, 
f.10, 1. Suborbieular, retuse and slightly narrowed above; lower 
valve having its upper scars ovate, subtriangular, transverse or rather 
oblique ; its lower scars approximate to them, of the same size, united 
into a single transverse oblique hollow, that is rounded on both sides, 
and scarcely contracted in the middle; no rostellum; the radiating 
foot-shaped impressions of the disk indistinct ; margin thickened, espe- 
cially below; upper valve thin, rough, conic, concentrically striated, 
apex acuminated, often submarginal. Mediterranean.  Sowerby’s 

« See, too, the P. ABNormatis, Certo, ALopr, Ione and Conon of 
Gray's Museum Catalogue of Anomiadie (previously in Z. P. 1849). 
