The Birds’ Calendar 
after watching and listening, for example, to the 
wood thrush, complacently and learnedly to say 
to one’s self, Zurdide turdus mustelinus—only 
its official tag, as it were, but how it flatters the 
mind to phrase a world - relationship in pon- 
derous Latinity ! 
It remains to speak of an important aid to 
the student in another class of books, less tech- 
nical and less directly educational in design, 
but of greater literary pretension and worth— 
books that in some ways afford as much inspir- 
ation to the reader to pursue this line of study 
as he will find in the results, however delight- 
ful, of personal investigation,—those books in 
which he holds intercourse with Nature through 
the eyes and ears of a writer whose senses are 
more keen than his own, whose mind is more 
discerning, whose spirit is more appreciative of 
the finest touches of beauty, and whose oppor- 
tunities of investigation have been more varied 
and ample. Such books are spiritual pabu- 
lum, a finer revelation than can ever be com- 
pressed into the formalities of a text-book, 
transferring the reader to higher points of 
vision than he can attain with his unripe expe- 
rience. 
Pre-eminent among other well-known and 
oa- 
