THIRTY-FIVE years ago the Clarendon Press JL published Beddard's well-known “Monograph of the Order Oligochæta”, but in the interval numerous investigations have been made on the structure, embryology ...
DURING investigations into the life-cycle of Tubifex costatus (Claparède), 1863, in a brackish-water moat close to the shore of the River Mersey at Hale, Lancashire, a tubificid genus not so far ...
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