Si Communication frcin Dr. Z,oanc, 



confidcrahic ; unfortunately the number of the fubfcribcr^ 

 and purchafers was not fufficient to defray it. M. Bloeh 

 had the misfortune alfo to lofe his only fon, already diftin- 

 guiflied by his talents, who died at Paris in 17<S7, when on 

 a tour to France and England to procure fubfcribers to the 

 French edition of his father's Hillory of FiOies. This lofs 

 plunged M. Bloch, already opprefled with labour and ex- 

 pence, into the deepcft afTliftion. He however ftill conli- 

 iiued to employ himfelf on his Hiflory of Fiflies, and, having 

 concluded it, undertook a journey to Paris. This diligent 

 natiiralid, who has rendered great fervice to ichthyology, 

 died at Carlfbad, in Bohemia, on the 6th of Auguft 1799. 

 Bcfidcs the above voluminous works, M. Bloch publiflied a 

 great many memoirs on Natural Hidory in the Tranfa6tion3 

 of diflerent Societies. His Dilfertation on the Mursena, pub- 

 liflied in the Memoirs of the Friends of Nature at Berlin, 

 has been mentioned already. In the fame work he publiflied 

 alfo the following: — Obfervations on the regular Depreflion? 

 in Vitriform Stonesj on the Worms in the Inteftines and 

 Lungs of Birds ; an Efl'ay towards the Natural Hiftory of the 

 Worms which live in other Animals ; on Worms of the 

 Bladder ; Defcription of the Buftard and fome kinds of Birds 

 found in Marflies ; on the Oil of Herrings ; on the vulgar 

 Opinion that the Organ of Generation in the Bay and Shark 

 b double; on the Mjxina ghdinofa Linn. 8cc, 



XVn. A Commmiicaiion from Dr. LoANE, relative to. 

 Pneumatic Medicine. 



A CASE OF ATONIC GOUT CURED BY VITAL AIR. 



Augustus EPvN EST, Efq. in the beginning of Au- 

 jnift I799r '^^'^s feized with fyniptoms of alihma, great 

 wheezing, and difficulty of breathing, cough, mucous expec- 

 toration, and incapacity of lying in an horizontal pofture. 

 Hence arofe nluch oedema of the lower extremities. Dif- 

 ferent medicines were tried without ctfeft, when Lord Egre- 

 jnont urged him to make trial of the oxygen air, under Dr. 

 Thonitoii; September 2i. This remedy was had, recourfe to: 



and 



