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A History of the County of Somerset
… pores and usually keeled like those of the Polydesmus. 20. Atractosoma polydesmoides, Leach. Zool. Misc. iii. 36 … 28. Phalangium opilio, Linn. Leigh Woods (R. I. P.). 29. Oligolophus agrestis, Meade. Leigh Woods (R. I. P.). 30. … probably to most, species of the genus.' 16 That even B. improvisus can live without an occasional savour of salt …