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The Hon. Secretary said they would regret to hear of the death 

 of Mr. J. W. Goodinge, which took place on June 18th. Mr. 

 Goodinge joined the Club in 1872 ; he at one time served on the 

 Committee, and had taken great interest in the social side of 

 the Club. 



Mr. Banfield exhibited and described a sliding nose-piece for 

 use in stereo-photomicrography, by use of which in low-power 

 work better results could be obtained than by moving the object 

 itself. Transparencies were exhibited showing the advantages 

 of the new method. 



Mr. D. Bryce read a paper on "A New Classification of the 

 Bdelloid Eotifera." The paper commenced with a review of the 

 systems and proposals of previous writers. The Bdelloid Rotifera 

 were first recognised as a separate group by Ehrenberg, who in 

 1830 associated nine species in the section Philodinaea in his earliest 

 classified list of micro-organisms, In this classification, and in 

 the more comprehensive systems published by him in 1831 and 

 1838, such of the genera as have since proved to be recognisable 

 were distinguished mainly by the possession of eyes, and, when 

 they were present, by their position. Thus the eyes were placed 

 in the front of the head in the genera Rotifer and Actinurus, but 

 in the neck in Philodina, whilst the genus CalUdina had none. 

 The accuracy of these apparently simple characteristics was first 

 efl'ectively challenged by Milne, who, in 1886, proposed to discard 

 the use of the eyes in the distinction of the genera of the 

 Philodinaea. Beference was made to the additional genera 

 and families added by Hudson and Gosse and others, to the 

 criticisms of Janson, and to the discoveries and proposals of 

 James Murray. 



In the classification now formulated the author accepts the 

 position assigned to the Bdelloida by Plate and by Wesenberg 

 Lund as constituting an order of the Digononta, or tvvo-ovaried 

 Botifera. The genera are divided into three families the 

 Adinetidae, which have an imperfect rostrum, cannot creep 

 about without the use of the corona, and which cannot swim ; 

 the Philodinidae, whose rostrum is well developed, which can 

 creep about when the corona is withdrawn, and can swim at will 

 when it is displayed ; and the Microdinidae, in which the rostrum 

 is well developed, but the corona practically absent. The 

 Microdinidae consists of a single genus, represented as yet by 



