PLATE 6 



Fig. i. Bositra buchii (Roemer). Lower Bajocian (Aalenian). Borehole at Lugoba, 

 Tanganyika, L.82585, x 2 . . . . . . . . . . p. 50 



Fig. 2. Bositra somaliensis (Cox). Upper Kimmeridgian, Nerinella Bed. Kindope, 

 N.N.W. of Tendaguru, Tanganyika. L. 51207, x 1 . . . . . p. 50 



Fig. 3. Eopecten aubryi (Douville). Callovian. Manyuli stream, just W. of Nautope, 

 Tanganyika. Right valve, L. 93550, x 1 . . . . . . . . p. 52 



Fig. 4. Same species. Upper Oxfordian. Mandawa-Lonji creek traverse, Tanganyika. 

 Left valve, LL.35199, x 1 . . . . . . . . . . p. 52 



Fig. 5. Entolium cingulatum (Goldfuss). Upper Jurassic. 5 miles N.E. of Tengeni, 

 N.E. Tanganyika. LL. 35202, x 1 . . . . . . . . . p. 52 



Fig. 6. Entolium briconense (Cossmann). Callovian. 2^ miles N. of Msaka road 

 junction, Bagamoyo district, Tanganyika. LL. 35168, X 3 . . . . . p. 51 



Fig. 7. Eopecten aff. albns (Quenstedt). Upper Oxfordian, Seir Limestones. Wilderri 

 hill, 11 miles S.S.W. of Rahmu, N.E. Kenya. Left valve, L. 92247, x 1 . . . p- 54 



Fig. 8. Eopecten thurmanni (Brauns). Upper Oxfordian, Seir Limestones. 7 miles 

 N.N.E. of Raiya hills. N.E. Kenya. Left valve, L. 83900, x 1 . . . P- 53 



