particular acknowledgments, not only for the ready ac- 

 cefs to his well (lored liurary on natural hidory ; but for 

 the very great afhllance of fuperintending the prefs, and 

 thereby contributing not a little to the furtherance of the 

 defl^n, which otherwife, for want of convenience, miiiht 

 have continued much longer in darkncfs. 



We fhall now conclude this introduction by remark- 

 ing, that in the various purfuits of natural hihory, our 

 notes on fliells indigenous to Great Britain had fome 

 vears pafl increafed fo confiderably, and fo far exceeded 

 any thing extant upon the fubjcfl, that we had begun to 

 throw them into fome form, with intention of giving our 

 difcoveries to the world on fome future day. 



At this jun8ure, being informed by a valuable 

 conchological friend, that fuch a work was undertaken 

 by an acquaintance who would be much obliged by any 

 afhflance, we did not hefitate to relinquifli our defign, 

 wifliing the fubjeft in more able hands ; and mod chcar- 

 fully communicated fuch information as was thought 

 conducive to fuch a hidory ; being always ready to lend 

 our feeble aid to the friends of fcience. Several plates 

 were engraved for this work, but for what reafon the 

 letter prefs never made its appearance is not known : it 

 was, however, not intended to take in the minute fpecies, 



As 



