Scientific Notices. 143 
attracted are stimulated to overcome every obstacle in the way of the 
fulfilment of the great law of nature. After the female has been im- 
pregnated, this effect appears to cease. 
Precisely similar circumstanccs took place with the Phalena neustria, 
the males presenting themselves at the window. 
Iam, &e. 
Joun Henry Davies, 
Curator Museum, 
Portsmouth Phil. Soc. 
G. B. Sowerby, Esq., London. 
Fauna of the Island of Madeira. 
The Rey. R. T. Lowe, B.A., late Travelling Bachelor from the Uni- 
versity of Cambridge, to whom we have been indebted for several Papers 
on the Mollusca, is preparing for publication a ‘ Prodromus Faune et 
Flore Maderensis, or Collections for a Natural History of the Animal 
and Vegetable Productions of Madeira and the adjacent Islands.’’ In 
collecting the materials for this work the authour has enjoyed all the 
opportunities afforded by a lengthened residence in the country, the 
natural productions of which he has undertaken to illustrate. 
