Plate 44. 
Page 
ic.ure 1. Maconia balthica Linnaeus.172 
Station D. 5717. Exterior of right valve. 
2. Maconia balthica Linnaeus.172 
Station D. 5717. 
3a. Tcllina salmonca Carpenter..165 
Station I). 5800. 
Exterior of right valve. 
3b. Tcllina salmonca Carpenter.-..165 
Station D. 5800. Exterior of left valve. 
4. Maconia indentata Carpenter. 178 
Station D. 4791. Exterior of right valve. 
5. Tcllina bodegensis Hinds.168 
Bolinas. Exterior of left valve. 
6. Maconia yoldiformis Carpenter.177 
Station D. 5785. Exterior of left valve. 
7a. Tcllina bnttoni Dali.:.167 
Station D. 5739. Exterior of right valve. 
7b. Tcllina bnttoni Dali...167 
Station D. 5739. Interior of right valve. 
8. Maconia see la Conrad.178 
Bolinas. Exterior of left valve. 
9. Maconia balthica Linnaeus.172 
Near Key Route Pier, Oakland. Exterior of left valve. 
10a. Tcllina carpcntcri Dali.166 
Station D. 5788. Interior of left valve. 
10b. Tcllina carpcntcri Dali.166 
Station D. 5788. Exterior of left valve. 
