Letter | Published:

On the Occurrence of the Archiannelids, Saccocirrus and Protodrilus, on the South and West Coasts of England


IN NATURE (vol. 91, pp. 8 and 348) the present writer recorded in 1913 the occurrence—for the first time in England—of abundance of Protodrilus in many situations, and a few Saccocirrus in one situation rear Plymouth, and it was shown that both these forms have the curious preference for situations near high-water mark where fresh water trickles through or over the foreshore at low water, but covered by sea water at high tide (l.c. 348). Since 1913 the writer has searched for and found Protodrilus in similar situations and in a large number of places between Salcombe and Falmouth, and this year was successful in taking the same animal at two places on the west coast of England, namely, on September 7, near high-water mark where the Wanson (so-called) river runs into the sea at the south end of Widemouth Bay near Bude. (See Ord. Survey Map, 1 in. to mile, river Torridge, Sheet 127, 1H, 7-53), and on September 22 in a similar situation on a beach—formerly well known for shells—at Woolacombe (see O.S. Map, 1 in. to mile, Barnstaple, Sheet 119, 4C, 16-02).

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