INDEXES OF CONDITION IN MARINE BIVALVE MOLLUSCS 495 



I would like to thank J. M. Capuzzo and J. H. Ryther for their 

 critical reading of the manuscript. 



REFERENCES 



Allen, J. A., and M. R. Garrett, 1971, The Excretion of Ammonia and Urea by 



Mya arenaria L. (Mollusca: Bivalvia), Comp. Biochem. Physiol. 39 A: 



633-642. 

 Ansell, A. D., 1965, Some Parameters of Growth of Mature Venus mercenaria 



L., J. Cons. Int. Explor. Mer, 29: 214-220. 

 , and P. Sivadas, 197 3, Some Effects of Temperature and Starvation on the 



Bivalve Donax vittatus (da Costa) in Experimental Laboratory Populations, 



J. Exp. Mar. Biol. Ecol, 13: 229-262. 

 Baird, R. H., 1958, Measurement of Condition in Mussels and Oysters, J. Cons. 



Int. Explor. Mer, 23: 249-257. 

 Bayne, B. L., 1973, Physiological Changes in Mytilus edulis L. Induced by 



Temperature and Nutritive Stress, J. Mar. Biol. Assoc. U. K., 53: 39-58. 

 , 1975, Aspects of Physiological Condition in Mytilus edulis (L.), with 



Special Reference to the Effects of Oxygen Tension and Salinity, in 



Proceedings of the Ninth European Marine Biology Symposium, H. Barnes 



(Ed.), pp. 213-238, Aberdeen University Press, Aberdeen, Scotland. 

 , 1976 (Ed.), Marine Mussels: Their Ecology and Physiology, Cambridge 



University Press, New York. 

 , P. A. Gabbott, and J. Widdows, 1975, Some Effects of Stress in the Adult 



on the Eggs and Larvae of Mytilus edulis L., J. Mar. Biol. Assoc. U. K., 55: 



675-689. 

 , D. R. Livingstone, M. N. Moore, and J. Widdows, 1976, A Cytochemical and 



a Biochemical Index of Stress in Mytilus edulis L., Mar. Pollut. Bull, 7(12): 



221-224. 

 , and C. ScuUard, 19 77a, Rates of Nitrogen Excretion by Species oi Mytilus 



(Bivalvia: Mollusca), J. Mar. Biol. Assoc. U. K., 57: 355-369. 

 , and C. Scullard, 1977b, An Apparent Specific Dynamic Action in Mytilus 



edulis L., J. Mar. Biol. Assoc. U. K., 57: 371-378. 

 , and R. J. Thompson, 1970, Some Physiological Consequences of Keeping 



Mytilus edulis in the Laboratoi-y, Helgol. Wiss. Meeresunters., 20: 526-552. 

 , J. Widdows, and C. Worrall, 1977, Some Temperature Relationships in the 



Physiology of Two Ecologically Distinct Bivalve Populations, in Physiolog- 

 ical Responses of Marine Biota to Pollutants, F. J. Vernberg, A. Calabrese, 



P.P. Thurberg, and W. V. Vernberg (Eds.), pp. 379-400, Academic Press, 



Inc., New York. 

 Chipperfield, P. N. J., 1953, Observations on the Breeding and Settlement of 



Mytilus edulis (L) in British Waters, J. Mar. Biol Assoc. U. K., 32: 449-476. 

 Conover, R. J., and E. D. S. Corner, 1968, Respiration and Nitrogen Excretion 



by Some Marine Zooplankton in Relation to Their Life Cycles, J. Mar. Biol 



Assoc. U. K., 48: 49-75. 

 Corner, E. D. S., and C. B. Cowey, 1968, Biochemical Studies on the Production 



of Marine Zooplankton, Biol Rev., 43: 393-426. 

 Dare, P. J., and D. B. Edwards, 1975, Seasonal Changes in Flesh Weight and 



Biochemical Composition of Mussels {Mytilus edulis L.) in the Conway 



Estuary, North Wales, J. Exp. Mar. Biol Ecol, 18: 89-97. 



