I. A critical inquiry.

II. Selected essays, edited by E. M. Crookshank: An inquiry into the causes and effects of the variolæ vaccinæ, by E. Jenner. An inquiry concerning the history of the cow pox, by G. Pearson. Reports of a series of inoculations for the variolæ vaccinæ, or cow-pox, by W. Woodville. Further observations on the variolæ vaccinæ, or cow pox, by E. Jenner. An address to the public on the advantages of vaccine inoculation, by H. Jenner. A conscious view of circumstances and proceedings respecting vaccine inoculation (anonymous). A continuation of facts and observations relative to the variolæ vaccinæ, by E. Jenner. The origin of the vaccine inoculation, by E. Jenner. An account of some experiments on the origin of the cow-pox, by J. G. Loy. An examination of that part of the evidence relative to cow-pox, &c., by W. R. Rogers. A letter occasioned by the many failures of cow-pox, by J. Birch.

(Cont.) On cow pox discovered at Passy (near Paris), by M. Bousquet. Account of a supply of fresh vaccine virus from the cow, by J. B. Estlin. Observations on the variolæ vaccinæ, by R. Ceely. Report of the vaccination section of the Provincial medical and surgical association. Further observations on the variolæ vaccinæ, by R. Ceely. A detail of experiments confirming the power of cow pox to protect the constitution from a subsequent attack of small pox, by proving the identity of the two diseases, by J. Badcock. Correspondence from the members of the medical profession, relative to recent supplies of variolæ vaccinæ, or modified small pox. Small pox and cow pox, by Auzias-Turenne. Cow pox at Eysines (Laforêt) (first outbreak), 1881, by C. Dubreuilh. Cow pox at Eysines (second outbreak), 1883, and at Cérons, 1884, by A. Layet. Outbreak of cow pox near Cricklade (Wiltshire), 1887, by E. M. Crookshank.