320 Daniell on a New Pi/romefcr. 



small but very distinct octohedral and tetrahedral crystals, of 

 black oxide of iron. The specimen which 1 have preserved, is 

 very pretty, and the facets of the crystals very perfect and 

 brilliant. . 



The pyrometers are made and sold by Mr. Newman, Lisle- 

 Street, to whose ready comprehension and execution of my 

 ideas, I am much indebted. 



Art. XII. Replj/ to some further Observations and Expe- 

 riments, relative to the Eighth Pair of Nerves, by Dr. 

 Hastings, Physician to the Worcester Infirmary. By 

 S. D. Broughton, Mem. Roy. Col.ofSur., Surgeon to 

 the St. George's and St. James's Dispensary, and in H. 

 M.'s 2d Regt. of Life Guards; in a Letter to the Editor. 



Dear Sir, 



In the Observations and Experiments which you did me 

 the favour to publish in January last, I endeavoured to avoid 

 the mazes of speculation and argument, and to confine the 

 attention of my readers to simple deductions from facts. 

 Wishing to avoid every thing likely to promote discussion, my 

 anticipations of setting the question at rest were rendered 

 more confident from the knowledge, that my experiments tended 

 to confirm the opinions of the best physiologists of the day, 

 and probably of a large majority of the profession. Some 

 observations upon my paper, having appeared in your journal 

 for April last, by a Dr. Hastings of Worcester, containing j^ross 

 misrepresentations of my statements, I am somewhat reluctantly 

 compelled to appeal from so very unfair an attack. 



When an Author appears purposely striving to misrepresent, 

 some suspicion as to the motive which influences him will 

 naturally arise ; and, the impartial reader may probably enter- 

 tain some doubts respecting the candour of an opponent, when 

 informed that he is the pupil, assistant, and zealous advocate 

 of the doctrines of the master, at whose " Gamaliel foot" he 

 has received his education. In fact, Dr. Hastings is the 

 " grand caterer and dry nurse" of Dr. Wilson Philip's experi- 



