462 



MEDICINE AND MEDICAL STATISTICS. [Sr-\ XIV 



SO protected neither ants nor cockroaches will enter ; and 

 without some contrivance of the kind it will be in vain to 

 attempt to preserve almost any object of natural history 



Lible substance ; unless it be planed 



o^ 



an ^.iiiuial 



o^. vx^getc 



tion 



of the chloride of zinc. The 

 Iatt(3r5 ai= it is now generally employed in all ship?i of war 

 for the destruction of vermin and fetid exhalations from 

 the holJo, U not only the .ost available, but in other 

 respects it is t'^^ ^ best, the d.^^apest and the mostgener*'"^^ 



V 



5eful. P^- pr ervative powers are equal to spirits, while 

 even w^hen the most putrid substances have been immersed 

 in it, it remains perfectly free from the noisome odour 

 which animal matters impart to the latter^ and which 

 renders the opening of any jar in which preparations are 

 kept a nuisance, which few men would v-nture to inflict 

 on their .liipmates. The strensjth used by the curator of 



the 



M 





an at Ilaslar, for fish and reptiles, or, when m 

 g^nd condition, specimens of morbid anatomy, 's in the 



part of the concentrated solution to 

 twenty of common water ; but when they are very putrid 



namely, 



proportion or one 





y require at liiol a much 



stronger mixture 



5 



about equal parts of each. In ^his the preparation is 



allowed to remain until tu^ &mell is qu'^c subdued, wheu 

 it may be finally put up in a solution of the f -^t-men- 

 tioned strength. 



It w^ould greatly enhance the value of the mediciJ 



•^r^4- 



^tunis if, in addition to those now required by the printed 

 instructions, tL..: were an additional nosological returo 

 sent in annually, commencing on the 1st of January, or 

 on the f^^y the shin was commi?-^oned. and ending: in- 



va^riablv on 



^ V 



jlst of December. 



5 



or, m 



the event of 



her being paui ofi^, on the day she w^as put out of com- 



