60 
several of them very expensive, has been received through the 
courtesy of Messrs. Smith, Baker & Company, of New York, 
who instructed their special agent to secure them upon a recent 
visit to the East Indies. 
The Clark Thread Company, of Newark, New Jersey, has taken 
great pains in preparing a comprehensive series of exhibits rep- 
resenting the making of spool thread. he collection illustrates 
upon a mos 
liberal scale and will enable us to show to a a extent the 
processes as well as the products. 
Messrs. Travers Brothers & Company, of New York, have 
contributed a complete series of ropes and twines, with the ma- 
terials from which they are made, so shown as to illustrate the 
several stages of manufacture. The products range from the 
most slender pack-thread to a 7-inch drilling cabl 
nt 
pril st, ae which the oe instruments have 
been installed amounts to 42.98 inches 
Maximum temperatures conte March, Igo1, of 51 on the 2d, 
e ; . 
the 27th were recorded. Minima of 11.5 on the Ist, g on the 
6th, 10.5 on the 7th, 20 on the 1oth, 22.5 on the 23d, 24 on 
e€ 31st 
Draba verna was in flower on the 1Sth, and Acer saccharinum 
on the 26th 
ACCESSIONS. 
ACCESSIONS TO THE LIBRARY FROM FEBRUARY I4TH TU MARCH 
age Uxisse. Dendrologiae naturalis scilicet Arborum historiae libri 
RICAN grocers FOR THE ADVANCEMENT OF SCIENCE. Procecdings, 
4871-2, 1875-79. 7 vols. (By exchange with Columbia University, 
AMERICAN ASSOCIATION FOR THE ADVANCEMENT OF SCIENCE. ae - 
the Forty-ninth Meeting held at New York, June, rgoo. (Given by Dr. 
Britton. ) 
