49 



were Messrs. F. Abbott, F. Abbott, jun., Agnew, M. AUport, E. Giblin, 

 W. Johnston, Legrand, Napier, W. Stone, and Eoblin. 



Mr. Abbott exhibited a great variety of instruments and objects of 

 scientific interest, including groups of Diatoms, test lines after Nobert, 

 specimens of diamond engraving, &c. 



Mr. F. Abbott, jun., by meansof a binocular instrument, showed a series 

 of metallic substances, embracing Gold, Copper, Iron Pyrites, &c. 



Dr. Agnew exhibited specimens of Confervoid Algae, received from and 

 mounted by Mr. E. D. Harrop, of Launceston. 



The circulation in the Tadpole was well displayed by Mr. M. Allport, 

 and by Mr. E. Giblin, who also showed a micrometer, together with various 

 crystals by polarized light, insects, &c., &c. 



Mr. Legrand had a series of twelve varieties of Tasmanian Polyzoa. 



Mr. Napier displayed some exquisite crystals under polarized light, and 

 also specimens of English Polyzoa. 



Sections of Colonial Woods, and other objects, were shown by Mr. "W. 

 Johnston, Trinity Hill. 



Mr. Stone and Mr. Eoblin exhibited the circulation of the sap in the 

 Nitellaflexilis, and the latter also showed the cup-like covering of the 

 larva of a manna-making insect fPsylla sp ?J from leaves of the Eucalyptus, 

 presented by Mr. S. H. Wintle. 



The various objects under view were carefully examined by tte numer- 

 ous visitors, many of whom before leaving expressed their sense of 

 the gratification and pleasure which had been afforded to them by the 

 exhibition. 



