REVIEWS AND BOOK NOTICES. 



More Natural History Essays. B\- Q. Renshaw. Shenatt and 

 Hug'hes. 243 pa^'es, 5/- net. 



Apparently in a previous volume, entitled ' Natural History Essays,' Mr. 

 Renshaw dealt with African tjpes of mammalia only ; in the present work 

 representatives of the mammalia from various parts of the world — bats, 

 lemurs, shrews, tijfers, whales, sea-cows, tapirs, ant-eaters, &c., are 

 described in a careful manner, and in connection with most, the author has 

 interesting anecdotes to relate. That he is also thoroujjfhly up to date 



Whale Room in the Natural History iYluseum, South Kensington. 



is shown from the fact that in his description of the beluga or white whale, 

 details are given of the records of this species at the mouth of the Tyne ancT 

 at Scarborough in 1903, and in the Ouse in 1905, details of which duh- 

 appeared in this journal at the time. There are several illustrations, one of 

 which the publishers kindly allow us to reproduce. It shows the half 

 models of whales as arranged in our national collection by the late Sir 

 \\\ H. Flower. In the foreground is a white whale and a narwhal. A 

 fragment of an abnormal narwhal skull, with two tusks is also shown. A 

 skeleton of a narwhal, with a fully developed tusk, and one onh- partialh- 

 developed, is in the Hull Museum. 



A Monograph of the British Desmidiacese. Bv W. West, F.L.S., 

 and Q. S. West, M.A., F.L.S., A.R.C.S. Vof. II. Ray .Society. 

 280 pp., 32 plates. Price 25/- net. 



The appearance of the second part of this valuable work will be welcomed 

 by all students of our microscopic flora. The present volume deals with the 



1906 April I. 



