134 CALIFORNIA ACADEMY OF SCIENCES [Proc. 4th Ser. 



PLATE 27 



Fig. la. Leda merriami, new species, XL Type. 



Fig. lb. Leda merriami, new species, Xl- Hinge view of type. 



Fig. 2a. Area washingtoniana, new species, X3. Type. 



Fig. 2b. Area washingtoniana, new species, X3. 



Fig. 3a. Glycimeris andersoni, new species, Xl- Type. 



Fig. 3b. Glycimeris andersoni, new species, X2. Hinge view of cotype. 



Fig. 3c. Glycimeris andersoni, new species, Xl- Umbone view of type. 



Fig. 4. Barbatia gabbi, new species, X2. Type. 



Fig. 5a. Cardita (Carditamera) weaveri, new species, X2. Type. 



Fig. 5b. Cardita (Carditamera) weaveri, new species, X2. Hinge view 



of cotype. 



Fig. 6. Saxicava, species, X2. 



Fig. 7a. Psammobia martini, new species, Xl- 



Fig. 7b. Psammobia martini, new species, Xl- Hinge view. 



Fig. 8a. Astarte perrini, new species, X2. Type. 



Fig. 8b. Astarte perrini, new species, X2. Hinge view of type. 



