LINNiEUS. 



313 



duplex. Exterior et Interior, which may be consider- 

 ed as a syllabus of his lectures. It contains a view 

 of his theory of medicine, and an arrangement of 

 drugs in thirty orders, according to their sensible 

 qualities. 



The last book which he produced was a conti- 

 nuation of his Mantissa, containing new species and 

 genera, with a variety of emendations. Such of his 

 writings as have not been already mentioned, will 

 be noticed in a subsequent section ; and in the mean 

 time we resume our narrative, remarking, that few 

 individuals had a longer scientific career than he; 

 forty-four years having elapsed between the appear- 

 ance of his first tract, the Hortus Uplandicus (in 

 I73I) and the Mantissa (in 1771)- 



It would appear that Linnaeus possessed a good 

 constitution, although we have seen him suftering 

 under attacks of rheumatism, nephritis, and gout. 

 In 1764, as already mentioned, he had a violent at- 

 tack of pleurisy ; after which he passed the period 

 of his convalescence at his villa of Hammarby^ 

 where, on the 9th July, he celebrated the 25th an- 

 niversary of his marriage. The same year he had 

 the pleasure of marrying his eldest daughter to Lieu- 

 tenant Bergencrantz. 



It does not seem very easy to determine the pre- 

 cise nature of the disease under which he laboured, 

 although it is probable tliat it was rheumatism 

 and not gout. In the Latin diary of Dr Gieseke, 

 as quoted by Stoever, is the following passage rela- 

 tive to tliis subject : — '^ In 17^0, I (Linnaius) had 

 such a violent attack of rheumatism (malum iscliia- 

 dicum), that I had great difficulty in getting home. 

 For a whole week the pain^ which was insupport- 



