News from the Magazines. 303 



study and comprehension of form. While he has endeavoured to show 

 the naturalist how a few mathematical concepts and dynamical principles 

 may help and guide him, he indicates to the mathematician a field for his 

 labour, a field which few have entered and no man has explored. His 

 chapters deal with Magnitude, Rate of Growth, Forms of Cells, Absorption, 

 Forms of Tissues, Concretions, Spicules, the Logarithmic Spiral, Spiral 

 Shells of the Foraminifera, Shapes of Horns, Teeth and Tusks, Leaf 

 arrangement, shapes of eggs, etc. There are over 400 illustrations. 



NEWS FROM THE MAGAZINES, etc. 



Prof. Sharff gives a report on ' Advances in Irish Marine Zoology,' 

 in The Irish Naturalist for July. 



Mr. J. Small writes on 'The Origin and Development of the Com- 

 positac* ' in The New Phytologist for July. 



Mr. Cosmo Johns writes on ' Refractory Materials used in the Iron 

 and Steel Industry ' in The Quarry for July. 



Dr. Winifred E. Brenchley has an interesting paper on ' Buried Weed 

 Seeds ' in The Journal of the Board of Agriculture, Vol. XXIV., No. 3. 



The A nimal World for July contains a paper on ' How Animals protect 

 their Young,' by Donald Payler ; and ' The Charm of Bats,' by L. Douglas. 



The Scottish Naturalist for July- August is entirely occupied by a 

 ' Report on Scottish Ornithology in 19 16, including Migration,' by Leonora 

 Jeffrey Rintoul and Evelyn V. Baxter. 



The Hull Scientific and Field Naturalists' Club is apparently introduc- 

 ing a certain liveliness into its meetings. According to a press report, 

 they have just had ' I Night with Bees.' 



The Selborne Magazine for August contains Prof. R. A. Gregory's 

 address to the Conference of Delegates of Corresponding Societies of the 

 British Association, held in London in July. 



The Museums Journal for August is almost entirely occupied by the 

 various discussions which took place at the annual business meeting at 

 London on July 10th. In parts it is quite amusing. 



The Entomologist's Record for June contains ' Records of some New 

 British Plant Galls. Ninety -nine New British Gall-mites (Eriophyidse).' 

 By Mr. Richard Bagnall and Dr. J. W. H. Harrison. 



The Proceedings of the Liverpool Naturalists' Field Club for 1916, 

 recently issued, contain a portrait and memoir of Lt.-Col. 1. W. Ellis, a 

 prominent member of the Society, who died last year. There are also 

 short notes on the Club's excursions, etc. 



Dr. J. W. H. Harrison describes ' New and Rare Homoptera in the 

 Northern Counties,' and Mr. Richard South ' The Noctuida: of Great 

 Britain as arranged in the General Collection at the Natural History 

 Museum,' in The Entomologist for August. 



The Proceedings of the Geologists' Association, Vol. XX VIII., pt. 1, 

 contain a paper on ' The Age of the Chief Intrusions of the Lake District,' 

 by J. F. N. Green, also a report of an excursion to the Lower Carboniferous 

 Rocks of Westmorland and North Lancashire. 



A writer in The Entomologist draws attention to the following gem 

 from The Daily Telegraph : — ' The caterpillar plague in the Peak district 

 has extended to Yorkshire and Westmorland, the pests evidently having 

 travelled from the mountain tops in search of food.' 



1917 Sept. 1. 



