200 [February, 1845. 



combustible bodies, and submitted, in a tabular form, a synop- 

 sis of the results previously detailed, accompanied with such 

 general statements as the researches thus far prosecuted ap- 

 peared to warrant. He stated that he was still engaged in 

 pursuing these inquiries, and hoped at a future period to be 

 able to lay before the Academy the fruits of a more extended 

 investigation. 



The communication was referred to the following commit- 

 tee: Prof. Rogers, Mr. Lukens, and Dr. Bridges. 



Prof. Johnson exhibited a specimen of lamellated wrought, 

 iron, between two plies of which was a complete partition of 

 earthy matter, apparently a portion of cinder of the manu- 

 facture which had been expanded between the rollers. Re- 

 marks were made on the importance of this subject in con- 

 nection with the explosion of steam-boilers. 



A document from the executors of the late Nathan Dunn, 

 containing a proposition to the Legatees to continue the ex- 

 hibition of the Chinese Museum in -London beyond the 

 period specified in the will, was presented and read ; and on 

 motion of Mr. Phillips, it was 



Resolved, That a member of the Academy be appointed 

 to meet the representatives of the other Legatees, to confer 

 with them, with power to take order. 



On motion of Prof. Johnson, the Vice President, Dr. Mor- 

 ton, was appointed to this duty. 



Dr. Zantzinger offered the following, which was adopted: 



Resolved, That the several specimens of the sediment of 

 the Nile, recently received from Dr. Lepsius, be referred for 

 analysis to Prof. Johnson. 



