In a gathering from a ditch in the neighbourhood of Oxford I found several specimens of a species of Nais, which present features differing from those recorded for any species of which I have been able to find a recognisable description.

1

‘System und Morphologie d. Oligochaten,’ pl. ii, figs. 18,19, 26.

2

These branches are accompanied by irregular patches of bro wn pigment

1

See A. G. Bourne, “Notes on Naidifortn Oligochseta,” ‘Quart. Journ. Mier. Sei.,’ xxxii, Pl. XXVI, fig. 2.

2

“Spermatology of New Species of Nais,” ‘Ann. Mag. Nat. Hist.,’ ii, 1858, p. 1.

3

“Beob. üb. Phreoryotes und Nais,” ‘Arb. aus Zool. Inst. Wurzburg,’ vi, 1883.

Copyright © 1893 by the Company of Biologists Ltd.
1893
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