4$ PEOCKEDINGS OF THE 



natural growth and appearance of the Baobab as observed in 

 that country. 



The Hon. W. B. Espeut exhibited some nests of Humming- 

 birds from Jamaica, and pointed out the variety of materials 

 used by the same species, though placed in the same tree (a man- 

 grove), the coloration in some cases being protective, in others 

 not. 



The following papers were read : — 



1. " On two new Species of Cumacea from New Zealand." By 

 G. M. Thomson, F.L.S. 



2. " On the Development of the Head of the Imago of Chiro- 

 nomus." By L. C. Miall, E.L.S., and A. E. Hammond, E.L.S. 



January 21st, 1892. 



Prof. Charles Stewaet, President, in the Chair. 



The Minutes of tlie last Meeting were read and confirmed. 



Messrs. Benjamin James Austin, Stanley Edwards, and 

 Erederick Turner were elected Eellows, and Mr. Thomas John 

 Moore, Curator of the Derby Museum, Liverpool, was elected 

 an Associate. 



On a motion by the President it was unanimously resolved 

 that an expression of respectful svmpathy should be conveyed to 

 Her Majesty the Queen and to H.R.H. the Prince of Wales, on 

 the loss sustained by the death of H.E.H. the late Duke of 

 Clarence and Avondale. 



Mr. E. Woodward exhibited microscopic sections illustrating 

 the development of the teeth in the Marsupialia. He drew 

 attention to Prof. Kukenthal's recent discovery of supposed rudi- 

 mentary successors to all the teeth, thus showing that the adult 

 set of teeth must be regarded as belonging to the first or milk- 

 series, and not, as generally supposed, to the second or succes- 

 sional dentition. These statements he was able to confirm for 

 the incisors and several upper molars o^ DidelpJiys. In the Pha- 

 langer {TricJiosaurus) no trace of these structures was found in 

 connection with the molar teeth, but they were present with the 

 upper incisors. In no case did these rudimentary successional 

 teeth pass beyond the condition of simple downgrowths from the 

 enamel organs of the functional teeth. 



Mr. J. W. Willis Bund exhibited a supposed hybrid between 

 the Common and the Eed -legged Partridge, but in the opinion 

 of Ornithologists present it was regarded as merely a variety of 

 the former species. 



Mr. J. C. Mansel-Pleydell exhibited a pair of malformed horns 



