110 NATURAL HISTORY 



LETTER XXm. 



TO THE SAME. 



DEAR SIR; Selbokne, Feb. 28, 1769, 



It is not improbable that the Guernsey 

 lizard and our green lizards may be specie 

 fically the same ; all that I know is, that, 

 when some years ago many GuermeyY\zdiX&^ 

 were turned loose in Pembroke college garr 

 den, in the university of Oxford, they lived 

 a great while, and seemed to enjoy them- 

 selves very well, but never bred. Whether 

 this circumstance will prove any thing 

 either way I shall not pretend to say. 



I return you thanks for your account of 

 Cressi-hall ; but recollect, not without re- 

 gret, that in June 1746 I was visiting for a 

 week together at Spalding, without ever 

 being told that such a curiosity was just at 



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