134 
INDEX TO TRANSACTIONS. 
Greville, R. K., LL.D., F.R.S.E., &c., 
ou new and rare diatoms, 
Series XVIII, 1. 
„ Series XIX, 77. 
„ Series XX, 121. 
H. 
Beliopelta nitida, 5. 
Hogg, Jabez, T.L.S., M.R.C.S., on 
vegetable parasites infesting the 
human skin, 10. 
1. 
Illumination of objects with high 
powers, by E. G. Lobb, Esq., 39. 
K. 
Kincaid, Sydney B., Esq., E.R.A.S., 
on a new adjustable diaphragm, 75. 
L. 
Lankester, E. Ray, notes on the Gre- 
garinida, 23. 
Leaf-holder, on a form of, for the 
Microscope, by James Smith, E.L.S., 
100. 
Lobb, E. G., Esq., note on the illumi- 
nating of objects with high powers, 
39. 
M. 
Maddox, R. L., M.D., notes on a 
brass slide clip, 65. 
Mastogonia Actinopt;^chmj 2. 
Melosira cosiata, 77. 
Microscopical Society, anniversary 
meeting of, 41. 
Microscopical Society of London, laws 
of, 107. 
Mitchell, Capt. J., on the cobweb- 
micrometer, 71. 
Monocystis Girratuli, 27. 
„ Bunicce^ 28. 
„ Nemertis, 28. 
„ pellucida, 28. 
„ Phyllodoca, 28. 
Mounting, on a method of dry, by 
James Smith, Esq., E.L.S., 29. 
N. 
Navicuia spectalissima, 85. 
„ excavata, 130. 
„ rimosa, 129. 
„ strangulata^ 126. 
„ Zamzibarica, 129. 
0. 
Object-glass, the, its own condenser ; 
or a new kind of illumination for 
opaque objects under high powers, 
by Richard Beck, 36. 
Omphalopelta Moronensis, 122. 
Owen, Major Samuel R. L, F.L.S., 
on the surface -fauna of mid-ocean, 
115. 
P. 
Pacchionian bodies, on the so-called, 
by H. Charlton Bastian, M.A., 
M.B. Lond., E.L.S., 86. 
Parasites, vegetable, infesting the 
human skin, by Jabez Hogg, E.L.S., 
M.R.C.S., 10. 
Plagiogramma Barbadense, 1. 
„ decussatum, 1. 
„ orientate, 77. 
„ elongatum, 121. 
President's address, by James Glaisher, 
F.R.S., 45. 
R. 
Rutitaria superba, 125. 
S. 
Scatophaga, structure of the egg in, 
by Tuffen West, F.L.S., &c., 67. 
Smith, James, Esq., E.L.S., on a 
method of dry mounting, 29. 
» » on a 
form of leaf-holder for the micro- 
scope, 100. 
„ „ on a 
revolving slide-holder, for the mi- 
croscope, 101. 
Slide-holder, on a revolving, for the 
microscope, by James Smith, E.L.S., 
101. 
