*Rentell (S) and Co., Ltd., 36-39, Maiden Lane, W.C.2. *Rider (Wm.) and Son, Ltd., 8-11, Paternoster Row, E.C.4.

Rivingtons, 34, King Street, Covent Garden, W.C.2.

*Rodger (Norman), 2, St. Dunstan's Hill, E.C.3.

*Routledge (G.) and Sons, Ltd., 68-74, Carter Lane, E.C.4.

*St. Catherine Press, Stamford Street, S.E.1.

*Sampson, Low and Co., Ltd., 100, Southwark Street, S.E.1.

*Sanitary Publishing Co., Ltd., 8, Breams Buildings, Chancery Lane, E.C.4.

*Scientific Press, Ltd.. 28 and 29, Southampton Street, W.C.2. *Scientific Publishing Co., 58, New Bailey Street, Salford, Manchester. *Scott, Greenwood and Son, 8, Broadway, Ludgate Hill, E.C.4.

*Scott Publishing Co., Ltd., 1, Paternoster Buildings, Paternoster Square, E.C.4.

Seeley, Service and Co., Ltd., 38,

Great Russell Street, W.C.1. Sherratt and Hughes, 27, St. Ann Street, Manchester.

Simpkin, Marshall and Co., Ltd., 4, Stationers' Hall Court, E.C.4.

*S.P.C.K., 6, St. Martin's Place, W.C.2.

*Spon (E. and F. N.), Ltd., 57, Haymarket, S.W.1.

Stanford (E.), Ltd., 12-14, Long Acre, W.C.2.

Swarthmore Press, 40, Museum Street, W.C.1.

Technical Bookshop, 723, Salisbury House, E.C.2.

Technical Publishing Co., Ltd., 1, Gough Square, E.Č.4.

*Temple Press, Ltd., 7-15, Rosebery Avenue, E.C.1.

*Thacker (W.) and Co., 2, Creed Lane, Ludgate Hill, E.C.4.

*Thin (James), 54-56, South Bridge, Edinburgh.

*Trade Papers Publishing Co., Ltd. 329, High Holborn, W.C.1. *Transport, Ltd., Queen Anne's Chambers, Westminster, S.W.1. *University Tutorial Press, Ltd., 25, High Street, New Oxford Street, W.C.2.

, St.

University of London Press, Ltd., S Paul's House, Warwick Square, E.C.4.

*Vinton and Co., Ltd., 8, Breams

Buildings, Chancery Lane, E.C.4. Warne (F.) and Co., 1-4, Bedford Court, Bedford Street, W.C.2.

*Watts and Co., 17, Johnson's Court, Fleet Street, E.C.4.

*Williams and Norgate, 14, Henrietta Street, Covent Garden, W.C.2. *Wireless Press, Ltd., 12 and 13, Henrietta Street, Covent Garden, W.C.2.

*Witherby and Co., 326, High Holborn, W.C.1.

*Wright (John) and Sons, Ltd., Stonebridge, Bristol.

Aarons, S. J. 275, 276

Abadie, G. 265
Abady, J. 146
Abbey, G. 185

Abbott, E. 8

P. 34, 36, 37
T. K. 182

Abderhalden, E. 229

Abegg, R. 122

Abel, R. 229

Abercromby, R. 162

Abney, Sir W. de W. 102, 307

Abrahams, A. 256

Abrami, P. 245

Ackworth, A. T. 65

Acorn. 208

Acton, E. H. 202

Adam, C. 271

J. 6, 255

Mrs. J. 6

P. 305

Amedeo, M. R. 77 Ami, H. M. 178 Amos, P. A. 139

S. 1

Anderson, D. E. 236

H. G. 255

Sir J. 43

J. W. 164

T. 167

Sir W. 81

Andés, L. E. 139, 141, 148

Andrew, R. C. 211

Andrewes, Sir F. W. 229, 257, 262
Andrews, E. R. 143

---E. S. 27, 40, 42, 43, 44, 50, 66,

67, 72, 81, 107

H. R. 277

S. T. G. 93

T. 21

Angles, J. W. 33

Anglin, S. 49

Ansted, A. 181

Appelt, A. 252

Appleton, H. A. 141

A. R. B. 52, 83

Arber, A. 198

E. A. N. 170, 205

Archbutt, L. 74

Archer, R. L. 175

Archibald, R. C. 34

R. D. 112

Archimedes. 3, 22
Aristotle. 6

Arkwright, J. A. 245
J. P. 64

Armand-Delille, P. 245
Armitage, F. P 122
Armstead, H. W. 224
Armstrong, E. F. 130

H. E. 1.

H. G. 245

S. F. 212

W. E. M. 288

Arnall. 52
Arnold, E. V. 6

H. T. 180

J. O. 156

R. B. 8

Arrhenius, S. 134

Arrol, Sir W. and Co. 49

Arthur, D. 104
Arup, P. S. 132
Arvedson, J. 287
Asch, D. 149

W. 149

Ash, E. 251

Ashby, A. W. 214