French National Tft/Hhtfi* 89 



feveral times, that perfons, whofe fibres were too rigid and 

 tenfe, were often troubled with crampifh affections, and 

 frequently fuffered from violent flatulencies. He always 

 found that their complaints were increafed by bitters or car- 

 minatives in general, but that they were ieffened by the ufe 

 of lukewarm miHc. 



The fame author read fome obfervations on the ufe of the 

 German opium. As foreign opium is brought to Europe in 

 an impure and imperfect Rate, it is of importance to dif- 

 cover fome fubftance thai might be fubftituted in its ftead. 

 Profeflor Trommfdorff found fuch a fubftitute in poppy- 

 heads, from which he has prepared a tincture. Dr. Thilow 

 having made fome experiments with this tincture in the 

 Clinical Inftitutc of Erfurt, obferved thai it fully anfwered 

 expectation in cafes of flux, fpafms in the ftomach, gout, and 

 hyflerics*. 



FRENCH NATIONAL INSTITUTE. 



C. Olivier lately read before this fociety fome obfervations 

 on the jerboa. 



His object was to rectify an error into which the antients 

 and moderns have fallen, in regard to the manner in which 

 the jerboa walks ; and to make known the very Angular 

 organization of the genital parts of the jerboa, mus jaculus, 

 Linn., mus fagitta, Pall., to compare them with thofe of 

 the alaclaga, and to defcribe more at length the fpecies men- 

 tioned by Linnaeus, under the name of mus longipes, im- 

 properly confounded with the mus meridianus of Pallas. 



The jerboa is reprefented in an erect pofture on the Cy- 

 renean medals; Herodotus, Ariftotle,~Theophraftus, Pliny, 

 8cc. among the antients, and Paul Lucas, Buffon, AUa- 

 niand, Pallas, Vic. d'Azvr, 8cc. among the moderns, have 

 all conlidered this fmall quadruped as a biped, that is to 



* It may be gratifying to our readers to learn that a premium for the 

 production of opium in EnpUud, offered by the Society for the Encou- 

 ragement of Arts, Manufactures, and Commerce, was awarded in their 

 laft SefTion to a gentleman who produced a confideiable quantity fiom 

 ies, which was found, by proocr trials, to contain all the Tequifite 

 properties. 



Vol. VIII. N %, 



