314 MEMOIR OF 
ter,” and tells him that “he, Cafley, had done 
so in 1798.” From the celebrity which Cayley 
acquired one cannot help wishing that this list 
could be found. He informs Hobson that “it was 
not as copious in phenogamous plants as, from the 
general appearance of the country and the diver- 
sity of the soil, he should have expected, and that 
some of the most common plants in the kingdom 
may be reckoned amongst the scarcest near 
Manchester.” 
He also observes that “ many plants have be- 
come naturalized about Manchester, which were 
not met with formerly, and others again have 
become extinct,” and tells Hobson that “J. 
Dewhurst could give the best account on this 
subject, and it would be well to note down what 
he says upon it.” 
In a letter to Mr. Henry Baines, of York, 
dated November 6, 1827, Hobson informs him 
that ‘he had only been a short time engaged in 
Entomology, and could not boast much of his 
collection of insects.—Botany had been his favo- 
rite pursuit, at his leisure times, but that he then 
wished to combine them both, as it was no great 
additional burden to carry, and he hoped by a 
little diligence to do something in it.” 
