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acute observation and a rare dexterity of manipulation he added the 

 happiest power of delineating the objects of his research, as an accom- 

 plished and accurate artist. In the year 1849, he presented to the 

 Royal Society a paper on one of the most interesting subjects con- 

 nected with the reproduction of animals, the disco^^ry of the true 

 male of the Rotifera, showing that this sex exists as a separate being, 

 consisting, however, exclusively of the male organ, which is locomo- 

 tive, but possesses no distinct alimentary apparatus. The animal 

 which furnished the subject of Mr. Dalrymple's discovery was a 

 species of Notommata, but since that time Mr. Gosse and other 

 naturalists have observed the same remarkable fact in several other 

 forms. This paper was published in the Philosophical Transactions 

 for 1849. 



Mr. Dalrymple did not however confine his scientific pursuits to 

 the sciences of organic nature. He was one of the most strenuous 

 promoters of that admirable and useful Institution, the Royal College 

 of Chemistry, of which science he was a successful cultivator. 



In 1850 Mr. Dalrymple Vv'as elected a Fellow of the Royal Society, 

 and in 1851 was placed on the Council of the Royal College of 

 Surgeons. 



His great work on the pathology of the human eye, which had 

 occupied his attention for many years, was only just completed when 

 his useful and honourable career was prematurely cut short at the 

 age of 48. Of this production it is no exaggeration to say that it is 

 scarcely paralleled by any work on morbid anatomy which has ever 

 appeared in this country. The masterly artistic beauty and accuracy 

 of the illustrations are only equalled by the conciseness and practical 

 importance of the descriptions. 



Air. Dalrymple was greatly endeared to his professional brethren 

 and friends by the gentleness of his manners, the kindness and sim- 

 plicity of his heart, and the nicest sense of professional honour. 



Charles Morgan Elliot was born at Pimlico Lodge, West- 

 minster, on the 27th of April, 1815 ; the ninth of fifteen children of 

 the late John Elliot, Esq., F.R.S., his mother being the youngest 

 daughter of the well-known Dr. Lettsom. Five of his brothers have 

 been in the service of the East India Company ; one of them. Sir 

 Henry Elliot, K.C.B., is at this time Foreign Secretary to the Govern- 

 ment of India. 



Before ten years of age Charles was sent to Eton, which he left in 

 less than three years, to prepare for Addiscombe, where he entered 

 as cadet in 1830. At this Military Seminary he distinguished him- 

 self so much as to be appointed to the Engineers ; and after passing 

 the usual time at Chatham, he sailed for Madras in June 1833. 



Early in 1838 his health required him to return to England ; and 

 during the two years he passed at home, he devoted himself assidu- 

 ously to science ; and was appointed Superintendent of the Magnetic 

 Observatory at Singapore, at the same time that his brother officers 

 Boileau and Ludlow were nominated to those of Simla and Madras. 



He arrived at Singapore in 1840; and after remaining there five 



