Abstract
ABSTRACT The concentrations of Na+ and K+ in the haemolymph remain relatively constant during the moulting cycle. Desiccation, desiccation followed by rehydration and starvation exert little or no effect on the concentrations of Na+ and K+ in the haemolymph. The volume of haemolymph decreases during desiccation and increases after rehydration. More Na+ is voided in the excreta during desiccation. Repeated desiccation and rehydration causes the loss of both Na+ and K+ from the body. The effects of desiccation and rehydration on the concentrations of chlorides and free amino acids in the haemolymph are described.
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