Jellyfish 41 



only within a narrow temperature range, 26 C to 33 C. However, I found very 

 few small (<8 mm) medusae in August while sampling within this temperature 

 range (Fig. 2) suggesting that formation of medusae was not ongoing and most 

 likely occurred during two periods in early summer. 



ACKNOWLEDGMENTS 



Cliff Brown of the West Virginia Division of Natural Resources pro- 

 vided access to Wolf Fork. Emmett Fox conducted water quality analysis. Neal 

 Auvil brought the jellyfish to my attention. Linda Plaugher assisted with the fig- 

 ures. 



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