Vll 
Rogers T, On the Discovery of Jungermannia Nevensis, p. 178. 
Roscoe Professor H, E., F.R.S.— Notes on a Collection of Apparatus 
employed by Dr. Dalton in his Researches, which is about to be 
exhibited (by the Council of the Literary and Philosophical Society 
of Manchester) at the Loan Exhibition of Scientific Apparatus at 
South Kensington, p. 77. 
Sadtler Professor. — On the Natural Gas from the Gas Wells in Butler 
County, Pennsylvania, p. 68. 
Schorlemmer Professor C., F.R.S.— On some Reactions of Bromine and 
Iodine, p. 4. On a Sample of Peat from lagoons in the Sierra 
Madre in Mexico, p. 55. 
Schunck Edward, Ph. D., F.R.S., President.— On some Isomerides of 
Alizarine, p. 142, 
Schuster Arthur, Ph.D.—On a Direct- Vision Spectroscope, p. 73. On 
a New Absorptiometer, p, 74. 
Sidebotham J., F.R.A.S. — On the Life History of Lymexylon Navale, 
p. 76, On Psammodius Sulcicollis, p, 76. On the Discovery of 
iEgialia rufa, p. 178. 
Smith R. Angus, Ph.D., F.R.S., V.P.-— The Eucalyptus near Rome, p. 150. 
Spence Peter, F.C.S.— On a Lead Pipe which had been transformed into 
Galena, p. 17. 
Stewart Professor Balfour, LL,D., F.R.S. — On an Instrument for 
Measuring the Direct Heat of the Sun, p. 20. 
Thomson William, F.C.S. — On the Degree of Accuracy Displayed by 
Druggists in the Dispensing of Physicians’ Prescriptions in diffe- 
rent Towns throughout England and Scotland, p. 90. 
Waters Arthur William, F.G.S.— On the Zoological Station and 
Aquarium at Naples, p. 82. 
Williams William Carleton, F.C.S. — Stannic Arsenate, p. 67. 
