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BLOOD GILLS OF SLMULIUM 



885- 



SCHIODTB, J, C. 



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'93. On a Species of Simulium from Grand Canon of Colorado. Trans. 

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'23. Memoire pour servir ^ I'histoire des Simulies. Naturw. Anz. d. 

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'48. The Water-cress Fly. Gardener's Chronicle, p. 204. 



