A papei- by Mr. R. Kirkpatrick, F.Z.S., and Dr, J, Metzelaar, 

 " On an Instance of Oommensalism between a Heimit-Crab and 

 a Polyzoon," was communicated by Mi\ Kirkpatrick. 



The next Meeting of the Society for Scientific Business will be 

 held on Tuesday, November 7th, 1922, at 5.30 p.m., when the 

 following communications will be made: — 



C. S. Elton. 



On the Colours of Water-Mites. 



E. B. PouLToy, M.A., F.R.S., F.Z.S. 



Experimental evidence that commensalism may be beneficial 

 to Crustacea. 



G. M. Yevers, M.R.C.S., L.R.C.P., F.Z.S. 



jSTematode Parasites of Mammals from the Zoological Society. 



W. J. Kaye, F.E.S. 



New Species of Trinidad Moths. 



Chas. F. Sonntaq, M.D., F.Z.S. 



On tlie Myology and Classification of the Wombat, Koala, 

 and Phalangers. 



E. G. BouLENaER, F.Z.S . 



Description of a new Lizard of the Genus Chalcides, from 

 the Gambia, living in tlie Society's Gardens. 



The following Papers have been received : — 

 Ivor G. S. Montagu, F.Z.S. 



On a fui'ther Collection of Mammals from the Inner 

 Hebrides. 



