136 
Figure 1. 
Figure 2. 
Figure 3, 
Figure 4. 
Plate XV 
(Specimens are of natural size, unless otherwise stated) 
Martesia mecvoyi McLearn n. sp. (Page 75.) 
Left valve, holotype, X2. Nat. Mus. Canada, Cat. No. 9035. 
Left valve, paratype, X2. Nat. Mus. Canada, Cat. No. 9035a. 
Left valve, paratype, X2, Nat. Mus. Canada, Cat. No. 9035b. 
Inoceramus litndbreckensis McLearn n. sp. (Page 77.) 
Right valve, holotype. Nat. Mus. Canada, Cat. No, 9037. 
