Ser. II., Vol. v., No. 31.] JULY, 1892. [Price 2s. 6d. . 



JOURNAL -^^^^U. 



OF THE ' i -^ t \ 



3UEKETT MICROSCOPICAL CLUB. 



EDITED BY 



HENRY F. HAILES. 



(It will he understood that the Authors alone are responsible for the vieivs and 

 opinions expressed in their papers.) 



Contents. page 



E. M. Nelson, F.R.M.S. On tetripcd Muscle of a Pig . . 1 



H. MoRLAND. On Mounting Selected Diatoms . . 4 

 E. M. Nelson, F.R.M.S. On Finding Refractive Indexes of 



Mounting Media . . . . .8 



R. T. Lewis, F.R.M.S. Note on a species of Ixodes . . 10 



D. Bkyce. On the Macrotrachelous Callidince . . .15 

 T. H. Bdffham, A.L.S. On Chantransia Trifila . . 24 



,, On the Conjugation of Orthoneis 



Binotata . . . . • .27 



Dr. W. H. Dallinger, F.R.S., F.L.S., &c. President's Address, 



1892 .... ... 31 



E. M. Nelson, F.R.M.S. On Binoculars . . .45 



D. J. ScouRFiELD. On British Cladocera . . .6.3 



F. H. Ward, F.R.M.S. In Memoriani, W. W. Reeves, F.R.M.S. 7U 

 List of Objects found at the Excursions, 1890-1 . .75 

 Proceedings — December, 1891; January, February, March, 



April, May, 1892 . . . • -92 



Annual Report, 1892 . . . • • • l^^ 



E. M Nelson, F.R.M.S. Note on Fluorite. . . . 122 

 Rev. Father Thompson's Formula for a High Refractive Medium 123 

 New Book, &c. . . . . • ^ • -124 



Plates I., II., HI., IV., and V. 



y. •«:.■,: 



V 



ILontJon : 



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 14, HENRIETTA STREET, COVENT GARDEN, LONDON? 

 'and 20. SOUTH FREDERICK STREET, EDINBURGH. 



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