BRACHIOPODA. 
85 
Terebrirostra neocoraiensis, D’Orb. 1847, Ter. Cret. iv. p. 127. 
t. 519. f. 1-5; Prod. ii. p. 85. 
Fossil. Neocomian. France. 
101. Waldheimia? lyrata. B.M. 
Shell orbicular, with a prominent beak ; valves convex, orna- 
mented vvith nine radiating rounded ribs ; dorsal valve circular ; 
beak produced, tapering, truncated by a minute foramen ; area 
triangular, flat, sharply bordered; deltidium triangular, sunk. 
Lon. 4, lat. 3i, alt. 2^ lines. 
Terehratula Ijrata, Munster, 1841, Beitr. iv. p. 57. t. 6. f. 5 c. 
Fossil. Trias. Tyrol. 
102. Waldheimia? Humboldtii. B.M. 
Shell obovate, with nine radiating plaits, crossed hy a few im- 
bricating lines of growth ; middle plait smaller than the next ; 
dorsal valve transverse, depressed in the centre, indented in front; 
beak elongated, tapering, truncated by a small round foramen ; 
area triangular, flat, sharply bounded ; deltidium narrow, sunk. 
Lon. , lat. , alt. lines. 
Spirifer Humboldtii, Klipstein, 1844, Beitr. p. 233. t. 15. f. 17- 
Terebratula lyrata (part.?), Munst. t. 6. f. 5 a, 5? 
Fossil. Trias. Tyrol. 
103. Waldheimia? procerrima. B.M. 
Shell oval, with a long slender beak ; valves ornamented with 
12-13 radiating ribs; dorsal valve auriculate, with a small pro- 
minent umbo ; central rib small, occupying a slight depression ; 
hinge-line short and straight ; beak elongated, tapering, curved, 
truncated by a minute foramen (or three foramina when broken) ; 
area long and narrow, sharply bounded. Lon. 5, lat. 3, alt. 2i 
lines. 
Spirifer procerrimus, Klipstein, 1844, Beitr. p. 233. pi. 15. f. 8. 
D’Orb. Prod. i. p. 204. 
Fossil. Trias. Tyrol. 
Tribe II. MAGASINA. 
Shell smooth or radiately plaited ; dorsal valve with a longi- 
tudinal depression ; hinge-line straight, or only slightly curved; 
area usually distinct ; deltidium frequently incomplete ; loop at- 
tached to the septum of the dorsal valve (fig. 8). 
