INDEX 



Anatomical features of Venus mer- 

 cenaria, 6-12; cilia, 9-10; foot, 8; 

 gills, 7, 8-11; mantle folds, 7; palps, 

 7-8, 11-12, 14; siphons, 6 7, 13. 



Beaches and flats,, public grounds, 4. 



Cilia of Venus mercenaria, 9-10. 

 Cultivation of Mya arenaria, 4, 6; of 

 Venus mercenaria, 15-17. 



Enemies of Venus mercenaria, 24-25. 

 Enteromorpha interferes with clam 



culture, 17. 

 Experiments to determine growth of 



Venus mercenaria, 15-17. 



Feeding habits of Venus mercenaria, 



6-15. 

 Figures, description of, 26-27. 

 Foot of Venus mercenaria, 8. 



Gills of Venus mercenaria, 7, 8-11. 



Growth of Mya arenaria, 6. 



Growth of Venus mercenaria, depen- 

 dent on food, 6; experiments to 

 determine, 15-17; method of meas- 

 uring, 18-19; between tide lines, 

 19-22; under wire netting, 23. 



Hard clam, see Venus mercenaria. 



Jones, Capt., acknowledgments to, 15. 



Kellogg, James L., cited, 3, 10. 



Little-neck clam, see Venus merce- 

 naria. 



Lobsters, near extinction, 4. 



Locomotion, of Mya arenaria, 22 ; of 

 Venus mercenaria, 22-23. 



Long-neck clam, see Mya arenaria. 



Lunatia destructive to Venus merce- 

 naria, 24-25. 



Mantle chamber, 7, 9, 13, 14. 

 Mantle folds of Venus mercenaria, 7. 

 Mya arenaria, cultivation of, 4, 6; ob- 



stacles to cultivation of, 17; enemies, 

 24; rapidity of growth, 6; growth, 

 above the bottom, 24; locomotion. 

 22; power of emptying mantle cham- 

 ber, 13. 



Oysters, cultivation, 5, 16; growth, 15, 

 growth above the bottom, 23. 



Palps of Venus mercenaria, 7-8, 11- 



12, 14. 

 Planting, difficulty of obtaining clams 



for, 17. 



Racks to hold oysters, 23-24. 



Seaweeds interfere with clam culture, 



17, 19-20, 22. 

 Seed clams, 4. 



Siphons of Venus mercenaria, 6, 7, 13. 

 Soft'clam, see Mya arenaria. 

 Starfish destructive to clams, 24. 

 Straining lines, 10. 



Tide lines, growth of Venus merce- 

 naria between, 19-22. 



Ulva, interferes with clam culture, 

 17, 19-20. 



Venus mercenaria, supply in danger 

 of failing, 3-4 ; where found, . 5 ; 

 anatomical features, 6-12 ; feeding 

 habits, 6-15; growth experiments, 

 15-17 ; methods of measuring 

 growth, 18-19; growth between tide 

 lines, 19-22 ; wandering habits, 

 22-23; growth under wire netting, 

 23; growth above the bottom, 23- 

 24; enemies, 24-25. 



Wandering habits of Venus, 22-23. 



Wire netting, growth of Venus merce- 

 naria under, 23. 



Wire rack to hold clams above bot- 

 tom, 24. 



