DESCRIPTION OF PLATES IN VOL. II. 



NEW SEEIES. 



PLATE I. Fig. I, Is a representation of Mr A. Scott's Steam Engine, without a 



Boiler. Sec p. 21. 

 PLATE II. Fig. 1—6, Represent a new Anemomter invented by J. D. For- 

 bes, Esq. See p. 31. 

 Fig. 9 — 12, are Diagrams illustrative of Dr Brewster's paper on a New 



Series of Periodical Colours. See p. 46. 

 Fig. 13, is a representation of the Siamese Twins. 

 PLATE III. Fig. 1— -7 represent Mr James Clark's new method of Cutting Screws. 

 See p. 273. 

 Fig. 8, is a diagram illustrative of Mr Pritchard's paper on the Sphe- 

 rical Aberration of a Diamond Lens. See p. 317. 

 Fig 9, represents the Cervus Euryceros, as described in Dr Hibbert's 

 paper. See p. 301. 



