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he was shortly afterwards sent out to Ceylon, where he continued during 

 the suppression of a rebellion and up to the year 1 820. After this he was 

 for several years on Mediterranean stations, in the .Ionian Islands first, 

 and afterwards at Malta ; and he was sent by Lord Palmerston in the 

 year 1839 on a mission to Constantinople, which lasted nine months, and 

 aiming, as it did, at effecting a reform in the administration of the Turkish 

 hospital system, ended in failure and disappointment. His last public duty 

 was performed as an Inspector-General of Army Hospitals on the West- 

 Indian Station during the three years 1845-1848. In the intervals of 

 foreign employment Dr. Davy was usually on duty at home. An * Account 

 of the Interior of Ceylon,' a quarto volume published in 1821, * Notes on 

 the Ionian Islands and Malta, with some account of Constantinople,' two 

 octavo volumes published in 1842, and a volume entitled "The West 

 Indies before and since Emancipation," and bearing date 1854, contain 

 the results of his observations and investigations into the non-medical 

 history of these stations. In a work * On the Diseases of the Army, with 

 contributions to Pathology,' published in 1862, Dr. Davy has embodied 

 the results of the medical experience which he gained in the discharge of 

 his professional duties at home and abroad. Not the least valuable portions 

 of this volume are those which relate to the aetiology of the yellow and other 

 malarious fevers of the tropical and subtropical countries he was made 

 familiar with. Ten years previously to the publication of this work Dr. 

 Davy had acted as editor to Dr. Blair's volume on * The Yellow Fever 

 Epidemic of British Guiana.' It is well here to put on record that, whilst 

 discharging the duties of an Inspector-General at Barbadoes, he found 

 time to deliver and publish a course of ' Lectures on the Study of Che- 

 mistry,' with especial reference to the agricultural requirements of the 

 island. Dr. Davy had many years previously acted as editor of Sir Hum- 

 phry's well-known and much read treatise on * Agricultural Chemistry.' 



Two volumes of * Uesearches, Anatomical and Physiological,' were pub- 

 lished by Dr. Davy in the year 1839 ; and they were followed by a third 

 on the same subjects in the year 1863. The papers collected in these 

 three volumes are of a very varied character ; those on the Torpedo ; on 

 the Structure of the Heart of Amphibia ; on the Generative Organs of 

 Cartilaginous Fishes; on the Blood-corpiiscles of the Ornithorhynchus % 

 on the Temperature of Man in the Tropics ; on the ova of the Salmonidce^ 

 with reference to the Distribution of Species ; and especially those on the 

 Blood and the cause of its Coagulation, are the most particularly note- 

 worthy, and the most particularly connected with the author's name. 



The debt of gratitude which Dr. Davy owed to Sir Humphry for the 

 assistance and sympathy which he received from him in early life, he 

 discharged, so far as such obhgations can be discharged, by the pubhcation 

 in 1836 of * Memoirs of the Life of Sir Humphry. Davy, Bart.,' in two 

 volumes ; secondly, by his edition of the works of Sir Humphry in twelve 

 volumes, the first of which is a Biography condensed from the two 



