PLATE 7 



Figs, la, b. Clilamys matapwaensis sp. nov. Upper Kimmeridgian. Just N. of 

 Matapwa, Pindiro area, Tanganyika. Holotype, LL. 35096 : a, x 1 ; b, x 3 . p. 56 



Figs. 2a, b. Same species, horizon and locality. Paratype, LL. 35097 : a, x 1 ; 

 b, x 2 . . . . . . . . . . . . . . p. 56 



Fig. 3. Chlamys (Spondylopecten ?) badiensis Cox. Probably Callovian, Namakambe 

 stream, Mandawa-Mahokondo anticline, Tanganyika. L. 93552, x 1 . . . p. 58 



Fig. 4. Same species. Callovian. \ mile N.W. of bridge over Mkulumuzi river, 

 2 miles W. of Tanga, Tanganyika. LL. 35099, x 1 . . . . . p. 58 



Fig. 5. Chlamys (Radulopecten) inaequicostata (Young and Bird). Upper Oxfordian, 

 Seir Limestones. Dusse, 1^ miles S.E. of Rahmu, N.E. Kenya. L. 92228, x 1 . P- 57 



Figs. 6a, b. Chlamys {Radulopecten ?) kinjeleensis sp. nov. Upper Kimmeridgian. 

 Mpilepile stream bed, near Mitole, northern Mandawa area, Tanganyika. Paratype, 

 LL.35098 : a, x 1 ; b, x 3 p. 57 



Figs, ja, b. Same species. Upper Kimmeridgian, Nerinella Bed. N. of Kinjele, N.W. 

 of Tendaguru, Tanganyika. Holotype, L. 51955 : a, x 1 ; b, x 3 . . . P- 57 



Fig. 8. Chlamys subtextoria (Miinster). Callovian. S. of Tarawanda, 11 miles S.E. of 

 Lugoba, Tanganyika. L.54116, x 1 . . . . . . . . p. 55 



Figs, ga, b, c. Weyla ambongoensis (Thevenin). Upper Lias, Toarcian. Didimtu hill, 

 2 miles S. of Bur Mayo, N.E. Kenya. LL.35017 : a, left valve, X 1 ; b, right valve, 

 x 1 ; c, ornament of ribs of right valve, X 3 . . . . . . . p. 59 



Figs. 10a, b. Lima (Plagiostoma) rahmuensis sp. nov. Oxfordian, Rahmu Shales. 

 z\ miles S.W. of Rahmu, N.E. Kenya. Holotype, L. 83892 : a, x 1 ; b, ornament, x 

 25 . . . . . . . . . . . . p. 61 



