34 Dr. Mac Culloch on Fevers. 



globes being above the navigators, they must always be a 

 counter-balance, and until atmospherical air is let in, they need 

 never fear to touch the earth. 



" And now," says he, " I can see no other difficulty to putting 

 in practice this invention, except one, which is greater than all 

 the rest ; and that is, that God would never permit such a ma- 

 chine to succeed in practice, as it would disturb the civil and 

 political government of the world ! For who does not see that 

 no city would be secure from surprise, as these vessels would 

 have the power to place themselves directly over their public 

 places, and thus enter them P" And here he gets heated with 

 horror of the fatal consequences of his new invention, and 

 talks of their cutting ships' cables, throwing down darts, and 

 burning navies, by artificial fires and balls, bombs, &c., killing 

 men, and destroying cities and castles, since, by their height, 

 they might contrive to precipitate mischief on others, whilst 

 they remained secure themselves." In a word, the good Friar, 

 like Uncle Toby, seems really alarmed at last with his own dis- 

 covery ; and I should not wonder if the scarceness of his folio 

 was occasioned by his withdrawing it from general view at last, 

 lest he should be the author of so much mischief to mankind. 

 I am. Sir, &c. 



G. Cumberland. 



An Essay on the Remittent and Intermittent Diseases, include 

 ing, generally, Marsh Fever and Neuralgia ; comprising, 

 under the former, various anomalies, obscurities, and con- 

 sequences, and, under a new systematic view of the latter, 

 treating of Tic -douloureux, Sciatica, Head-ach, Ophthal- 

 mia, Tooth- ach. Palsy, and many other modes and con- 

 sequences of this Generic Disease. By John Mac Culloch, 

 M.D., F. R. S., &c. &c., Physician in ordinary to His 

 Royal Highness Prince Leopold of Saxe Cobourg. — In 

 Two Volumes. Longman & Co. 1828. 



Having in a former Number given a brief review of the 

 Essay on Malaria by the same author, we feel it a sort of 

 duty incumbent on us to pursue the subject through its prac- 

 tical consequences, as Dr. M. himself has done, by attempting 

 such an analysis of the present work as the extent of our pages 



