489 



rays, two years' growth of wood, the half-formed third year's 

 woody tissue, j^ambiuin, cuticle, and many other interesting 

 features. 



November 21st, 1902. 



Mr. C. F. Rousselet : Mounted specimen of the Polyzonn 

 Cristatellci mucedo, showing tentacles and cilia fully expanded. 



Mr. L. R. Gleason : Transverse section through root of sensory 

 hair of Cat's Whisker. Shown for comparison with the photo- 

 micrograph in colours by Lumi^re's process. 



December 5th, 1902. 



Mr. A. W. Dennis : Fructification of Filmy iFern, Hynieno- 

 j)hylluvi tunbridgense, showing toothed involucre, which is 

 perhaps the most easily recognisable distinction between this 

 and the closely allied U. unilaterale. 



Mr. W. H. Langton . Head of Tijnda mounted in balsam 

 without pressure. 



Mr. H. Morland : Triceratium morlandii Grove and Sturt, 

 from Oamuru deposit, N.Z., showing frustule and valves. First 

 described in the Quekett Club Journal, January, 1887. 



Mr. A. E. Hilton : Fructification of Alga from North Sea, 

 Polysiphonla hyssoides, showing ovate capsules (ceramidia), fur- 

 nished with terminal pores, and containing pear-shaped spores. 



Mr. T. N. Cox : Section of Rhubarb, Rheum pcdmatitm, showing 

 stellate crystals. Polarised. 



Mr. A. Earland : Hexactinellid Sponge, Hyalonema reflexum, 

 from Japan. In the Hexactinellida the spicules typically consist 

 of a system of three equal axes intersecting at right angles, 

 and variations in this type are due to "unequal development of 

 branching, or the suppression of some of the rays. The typical 

 spicule in this form is a pentact (= 5-rayed) pinulus {— little 

 pine tree), a pinulus being a ray bearing oblique lateral teeth. 



Mr. C. J. H. Sidwell : Bladderwort, Utricidaria minoo', taken 

 from the Long Water, Hampton Court, Quekett Microscopical 

 Club Excursion, September 6th, 1902. The opening of the 

 bladder is fringed with peculiar tapering bristles, and is closed 



