Annual Meeting'.] 
442 
[May 4, 
The Curator has worked up and named all of the Pinnidae 
in the Society’s collection and published an abstract of a memoir 
upon the same in the Proceedings Vol. XXY, pp. 335-346. Dr. 
R. T. Jackson has done considerable work upon the arrangement 
of the Pelecypoda of the Mayo collection, having separated this 
group into families and for the most part picked out the genera. 
Accessions have been received from C. J. Maynard, E. S. 
Morse, Mrs. Ellen H. Richards, and E. W. Roper. Mr. May- 
nard’s donation consists of the types of 15 species of Strophia and 
with those formerly presented gives us a complete set of the 
Strophias described by him in his Contributions to science, 
Yol. I. 
Miss Martin has labeled and catalogued the Achatinellinae of 
the Gulick collection and secured the labels by writing numbers 
corresponding to those on the labels on each shell. 
Insecta. 
From the Holmes Hinkley collection received last year Mr. 
Henshaw has selected, identified, and labeled about 250 sj)ecimens 
for the New England and General collections, and has also cata- 
logued and labeled 150 bottles of Arachnida. 
Accessions have been received from Messrs. W. S. Bigelow, H. 
K. Burrison, Miss C. H. Clarke, Messrs. C. B. Cory, H. Ward 
Foote, J. G. Jack, F. A. Sherriff, aud Miss C. G. Soule. 
. * 
Laboratory. 
The room in the southeast corner of the basement was fitted 
with tables and gas fixtures in the early part of the present year 
and used by the Saturday class of teachers studying Botany 
under Dr. R. W. Greenleaf. The room in the southwest corner 
was used by a similar class in Historical Geology instructed 
by the Curator, aud by the usual classes from the Boston Uni- 
versity. 
Teachers’ School of Science. 
The instruction in this school has been organized and conducted 
during the past official year upon the new and more effective 
lines of work suggested in the last annual report. All of the 
