Annual MuLting.) 518 [Mayi, 
The course gratuitxnisly given l)y I'rof. W. II. Niles uud Mr. 
G. H. Harton to the students of tlie Normal Scliool, and aUuded 
to in tlie last annual report, was finished. The class consisted of 
lo members, and four lessons on geology were given in the field 
during May and June, 1894. 
This year tlie same class has been continued under the charge 
of Mr. Barton with a membership of 11 persons. A course of 10 
lessons has been arranged to be given in the immediate vicinity of 
Boston at points where the elements of geological field work can 
be easily studied and presented plainly to a class. Four lessons of 
this coiu'se have already been given. The teacher in this course 
has also been paid by the Woman's Education Association. 
Professor Crosby proposed in connection with his work upon 
the geology of the Boston Basin to give a course of lessons in 
the field which would make his published works more useful to 
persons dwelling within the limits of those parts of that region 
which have already been described and mapped. This attempt 
to make the results of original investigation in geology of 
immediate interest and of educational value to the residents 
within the natural and geological limits of the Boston Basin was 
not expected to attract large audiences. The novelty of the 
undertaking, and the necessarily limited area from which the 
audience was to be drawn, tended to reduce the numbers of 
pupils. Nevertheless it was felt that even if ten persons could 
be induced to subscribe to and attend the course, a very 
important step would have been successfully taken towards the 
diffusion of a knowledge of geology in the districts gone over. 
In pursuance of this plan two coiu'ses of field lessons (14 
lessons in all) on the geology of Nantasket and Cohasset were 
given by Professor Crosby. Each course was attended by about 
twenty persons, or iortj in all. This number Avas satisfactory^, 
considering that our anticipations were not sangiiine, that tliej 
were paid courses and in a somewhat inconvenient locality, 
where the incidental expenses were almost equal to the fee for 
the lessons. 
In connection with the .field and laboratory classes in the 
geological courses, an excursion was made during the summer of 
1S94 under the chai'ge of ^Ir. IJarton to the principal Tiiineral and 
