THE BLACK RAT
[To the Editor of the SPECTATOR.] SIR,—In reply to an inquiry in your issue of March 9th, this ' clean, sportive little rodent (M. Rattus) is in almost complete possession at the source of the Cam and its feeders. In Norfolk it lives and thrives in the Thet and Wissey streams. It seems to prefer narrow waters with a flowing stream in frequent floody condition, where there is in addition floating water herbage on which it can sun itself and browse.
Has the black rat increased since the War owing to the whole; sale methods towards extermination used against the brown , rat (M.D.) ? While water is the natural element of the black rat, wherein and whereupon his motions are always diverting, , the brown rat takes to it in a half-hearted clumsy way as a best means of self-protection and defe.iec. An Ishmael
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