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131. Simmonds, M.: Zur Pathologie der diesjährigen Grippe;—Mün. med. Wchnschr., 1918, 65, 873.

132. Slye, Holmes, and Wells: Primary Spontaneous Tumors of the Lung in Mice;—J. Med. Res., 1914, 30, 417.

133. Smith: Influenzal Intra-abdominal Catastrophies;—Lancet, 1919, 196, 421.

134. Soper: Pandemic in the Army Camps;—J. A. M. A., 1918, 71, 1899.

135. Speares: Influenza;—Boston Med. & Surg. J., 1919, 180, 212.

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137. Spooner, Sellards, and Wyman: Serum Treatment of Type I Pneumonia;—J. A. M. A., 1918, 71, 1310.

138. Stone and Swift: Influenza and Bronchopneumonia at Fort Riley;—J. A. M. A., 1919, 72, 487.

139. Strouse and Bloch: Notes on Present Epidemic of Respiratory Disease;—J. A. M. A., 1918, 71, 1568.