BOOK NOTICES 47 



East Renfrewshire. A little muddy ditch, with a trickle of water 

 flowing through it into the reservoir, was the attraction, as on the 

 first two occasions the single bird, and on the last, both birds, 

 always returned after a few minutes to the same corner. The first 

 bird was silent till joined by a companion. Then both uttered 

 their usual wild, shrill notes if flushed, but flying back to their 

 feeding-place when they thought all danger was past. The notes 

 were, as Seebohm says, " soft and musical," notwithstanding that 

 the identical syllables were used for each tone. The soft note I 

 had not heard before. In " Clyde," until ten years ago, the Green 

 Sandpiper was considered to be one of our rarest waders, but 

 in recent years it has been observed with increasing frequency. — 

 John Robertson, Glasgow. 



Additions to the Marine Fauna of the Clyde. — In the 



Glasgow Naturalist for November (vol. vi., pp. 78-79), Richard 

 Elmhirst records the following Marine Invertebrates as new to the 

 fauna of the Clyde area: Infusoria — Vorticellapatellina,lsi\i\\Qx ; 

 V. fiebulifera^ Mliller; Ainphileptiis c/aparedii, Stein, and Euplotes 

 harpa, Stein. Hvdroida — Stauridinm prodi{Ctinn,'\'Vr\^\i\.; Euden- 

 drium insigne, Hincks; Campanularia exigi/a, Sars, and Campaii2{li)ia 

 turrita, Hincks. Nematoda — Evophis tridentaiiis, Dujardin. 

 Polychteta — A mphicora fabricia, Miiller. 



BOOK NOTICES. 



The House-Flv {Musca doviestica^ Linn.) : Its Structure, Habits, 

 Development, relation to Disease, and Control. By C. 

 Gordon Hewitt, D.Sc, F.R.S.C, etc. Cambridge : The University 

 Press, 1914. Price 15s. net. 



Judging from the comprehensive title of this book and the reputation 

 of its author, we should expect a treatise of more than ordinary interest 

 and value, and we are not disappointed. In a book of nearly 100 pages, 

 furnished with an abundance of excellent illustrations and a beautifully 

 printed text, we find such an account of the natural history, in the widest 

 sense of the term, of the common House-fly as should gladden the hearts 

 of all who are interested in the important subject of the relationship 

 between insects and disease. Although the volume does not profess to 

 be a popular treatise, yet a large proportion of its pages may be perused 

 with understanding and profit by the laity ; while if we add to these 

 more readable pages the more technical portions, we get a summary of 



