BRACHIOPODA. 
107 
Terebratula nana, Munster, Bair. p. 48. 
Braun, Bair. p. 44. 
Rwmer, Nordd. Ool. p. 52. t. 2. f. 20. 
Broun, Index, p. 1242. 
Fossil. Oxford Clay. Bavaria. 
11. Megerlia? Deslongchampsii. 
Shell small, oval, rather depressed, covered with minute tubu- 
lar asperities, between which the punctations are visible ; mar- 
gins even ; front truncated ; beak prominent ; foramen moderate, 
incomplete ; deltidia separate. Lon. 3i, lat. 3, alt. li lines. 
Terebratula Deslongchampsii, Davidson, June 1830, Ann. Nat. 
Hist. pi. 15. f. 6. 
Fossil. Lias. Normandy. 
12. Megerlia? hippopus. B.M. 
Shell ovate or rounded, inflated, smooth ; valves unequal, the 
ventral largest, ventricose, with a short recurved umbo ; foramen 
small ; deltidium triangular ; dorsal valve convex, with a deeji 
medio-longitudinal depression. Lon. 14, lat. 14, alt. 10 lines. 
Terebratula hippopus, Rcemer, 1841, Kreid. p. 114. t. 16. f. 28. 
D’Orb, Ter. Cret. iv. p. 85. t. 508. f. 12-18. 
Geinitz, Kreid. p. 87. 
Terebratida resupinata, Pusch, Polens Pal. p. 23. t. 4. f. 6 (not 
Sow.). 
Fossil. Neocomian ; Chalk. France ; Belgium. 
See also Terebratula irregularis, Blainv. D. S. N. liii. 140=Tere- 
bratula ostracea, Blainv. D. S. N. liii. 146. 
9. MORRISIA. 
Shell with a large foramen, encroaching equally on both valves ; 
ventral valve with a small, straight area; loop not reflected, 
united to a small forked process in the centre of the valve ; 
structure coarsely punctate (fig. 18). 
Animal with sigmoid arms, destitute of spiral termination 
(fig- 17). 
Moi-risia (appressa), Dav. 1852, Ann. Nat. Hist. p. 371. 
Orthis, sp., Philippi, 1844, Moll. Sicil. ii. p. 69. 
