412 Proceedings of the Society of Arts. 



(7.) On Mr Black's Paper on the Mucilage of Lichens. (501.) 

 (8.) On Mr Sang's Nut for Leading Screws. (418.) 

 (9.) On Mr Sang's Dioptric Light erected at Kirkaldy. (552.) 

 (10.) On Mr Beattie's Rotary Steam-Enginc. (558.) 

 (11.) On Mr Alston's Musical Catechism for the Blind. (559.) 

 (12.) On, 1st, Mr Comins' Floats for Paddle-Wheels. (^5.) 



2d, Mr Vallance's ditto. (488.) 



3d, Mr Henderson's ditto. (510.) 



4th, Mr Wilson's ditto. (584.) 



6th, Mr Rose's ditto. (538.) 



6th, Mr Black's ditto. (560.) 

 (13.) On Mr Carrick's New Paddle-Wheel. (507.) 

 (14.) On Mr Carrick's Hydrostatic Safety- Valve. (505.) 

 (15.) On Mr Rettie's Sink-Box. (503.) 

 (16.) On Mr Alston's Fables, with Wood-cuts for the Blind. (568.) 



1. The following candidates were admitted as ordinary 

 members, \iz. : — 



Mr James Adam jun. engineer, 5 Scotland Street ; the Rev. Tho, 

 Monro, A.M., George Watson's Hospital. 



9.. The report of the Committee appointed to prepare a List 

 of the Prizes to be offered for Session 1838-39, was read and 

 approved of, and the list was ordered to be immediately printed 

 and advertised as usual. 



Aug. 1. — Mungo Ponton, Esq. F.R.S.E., Vice-President, in 

 the chair. The following communications were laid before the 

 Society : — 



1. The report of Committee. 



(1.) On, 1st, Mr Comin's Boiler-Feeder. (474.) 

 2d, Mr Carrick's ditto. (506.) 

 8d, Mr Mudie's ditto. (609.) 

 4th, Mr Combe's ditto. (529.) 

 6th, Mr Rose's ditto. (573.) 

 6th, Mr Russell's ditto. (543.) 

 7th, Mr Gall's ditto. (548.) 

 8th, Mr Bald's ditto. (549.) 

 Mr W. Steele, Convener. — Not being ready, was remitted to 

 Prize Committee when lodged. 

 (2.) On Mr Whitelaw's Boiler-Feeder. Mr W. Steele, Convener. 

 (633.) Not being ready, was remitted to Prize Committee 

 when lodged. 

 (3.) On Mr Proudfoot's Mode of Sharpening and Setting the Teeth 

 of Saws. Mr P. Steele, Convener, (641.) Not being ready, 

 was remitted to Prize Committee when lodged. 



