150. Notes and Comments. 
sluice at Aldborough towards another point opposite the canal 
lock. This would perpetuate the direction of the stream against 
the north bank. The stream is not at all likely to have caused. 
much of the damage, but the tide, coming up in a long line from 
the south side of Read’s Island, must impinge on this bank 
and would be likely to damage it. If, however, the southern 
channel were closed by a groyne, shown as No. 2, I feel sure: 
that the river would assume some such line as that shown in 
the figure.’ At different times the Humber Conservancy 
Board has considered various costly schemes in connection 
with controlling the waters of the Humber. This of Mr. 
Ellis’s seems to be new and is worthy of thought. 
Oe 
YORKSHIRE’S CONTRIBUTION TO SCIENCE: WITH A 
BIBLIOGRAPHY OF NATURAL HIsTORY PUBLICATIONS. By 
T. SHEPPARD. 8vo, London, 1916, 223 pp. Price 5s. net. 
As President of the Yorkshire Naturalists’ Union, Mr. 
Sheppard struck out a new line in his Annual Address by 
making an effort ‘ to indicate the various sources of information 
likely to be of service to a student in his work on any branch 
of natural science’ dealing with the county of Yorkshire. In 
carrying out his idea he has brought together a large amount 
of information previously inaccessible, and has produced an 
example of Bibliographic work which may well be imitated 
by others for their own counties. For it is precisely by labour-. 
saving devices of this kind that the greatest services are rendered 
to students and to science generally. 
Speaking of the volume itself one is first struck with the: 
astonishing number of publications issued in the county. Many 
of them mere ephemerids it is true, but all must have a begin- 
ning, and only the lucky ones survive. The history of The 
Naturalist may be taken as typical of the method and care 
of the compiler, and forms exceedingly interesting and in- 
structive reading. Other local publications are fully dealt 
with for the first time. . 
Passing away from local things, Mr. Sheppard has re- 
viewed those publications which have printed matter relative 
to Yorkshire; and there is a lengthy index, which, running 
all into one alphabet, enables one to refer with ease to the 
topographical arrangements adopted for the local portion. 
The book is well and clearly printed, and forms an invaluable 
addition to the literature of Yorkshire.—C.D.S. 
-:0: 
We are glad to see that A History of British Mammals, by Barrett- 
Hamilton and Hinton, is still progressing; Pt. X VIII being recently to hand 
(Gurney and Jackson, pages 551 to 600, 2s. 6d.). It deals exhaustively 
with the Harvest Mouse and the Black Rat. Among the plates, there is an 
exellent one, in colours, of British Muride. 




Naturalist, 
