46 
BRACHIOPODA. 
105. Terebratula sacculus. B.M. 
Shell oblong, with a straight or emarginate front, which is 
sometimes elevated, and almost always defined by two broad, 
obtuse ridges, proceeding a short distance on the shell, on each 
side of a mesial broad shallow groove j beak prominent, incurved 
Anomites sacculus, Martin, 1809, Petref. t. 46. f. 1, 2. 
'Terebratula sacculus, Koninck, Descr. p. 293. pi. 20. f. 3. 
D’Orb. Prod. i. p. 151. 
Fossil. Carb. Britain; Belgium; Russia. 
106. Terebratula hastata. B.M 
Shell elhptical, subrhomboidal, rather depressed ; front trun- 
cated and indented ; edges sharp ; beak thick, shghtly recurved : 
foramen small; loop short, simple. Lon. 19, lat. 15, alt. 11 
lines. 
Terebratula hastata, Sow. 1824, Min. Con. v. p. 66. t. 446. f. 2, 3 
Phil. Geol. Yorks, ii. pi. 12. f. 1 ; Pal. Foss. p. 91. pi. 35 
f. 168?. 
Hamer, Nordd. Ool. p. 48. 
Fossil. Carb. Britain; Belgium. 
107. Terebratula fusiformis. 
Shell smooth, much elongated, fusiform, inflated, contractec 
at each end ; valves equally convex ; margins even ; beak pointed 
recurved; foramen small, apical ? ; deltidium distinct ?. Lon. 10 
lat. Si, alt. 4 lines. 
Terebratula fusiformis, Vern. 1845, Russ. p. 65. pi. 9. f. 8. 
D’Orb. Prod. i. p. 151. 
Fossil. Carb. Russia. 
108. Terebratula? lacryma. 
Shell subglobose, smooth, oblong ; front straight, or shghth 
waved, scarcely raised except at the edge, which is deeply si 
nuated by the projection of the inferior valve, the central furro\ 
of which is broad, flat, and boimded by two sharpish ridges 
beak not prominent. Lon. 5, lat. 4i, alt. 4 hnes. 
Atrypa lacryma. Sow. Geol. Trans. 2nd ser. v. pi. 56. f. 9. 
Fossil. Devonian. England. 
109. Terebratula? juvenis. B.M 
“ Shell broad ovate, depressed, smooth, contracted towai-d th 
front ; larger valve remarkably incurved at the minute, lateral! 
angulated beak. In full-grown specimens the side margins ar 
