PLATE 40 
(After Rathbun) 
Fig. 1. .Pinnixa faba, female; dorsal view, X 11%. From clams at Quarantine 
Dock, Washington. (Page 259.) 
Fig. 2. Same species as fig. 1, male; dorsal view, X 114. 
Fig. 3. Same specimen as fig. 1, female; ventral view. 
Fig. 4. Same specimen as fig. 2, male; ventral view. 
Fig. 5. Pinnixa littoralis, female; dorsal. view, X 1%. From clams at Quar- 
antine Dock, Washington. (Page 260.) 
Fig. 6. Same species as fig. 5, male; dorsal view, X 1%. 
Fig. 7. Same specimen as fig. 5, female; ventral view. 
Fig. 8. Same specimen as fig. 6, male; ventral view. 
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