dHilliam GHeslen & Son, 
SCIENTIFIC BOOKSE 
AGENCY OF THE 
SMITHSONIAN INSTITUTION 
AND UNITED STATES GOVERNMENT 
DEPARTMENTS. 
LLERS & PUBLISHERS, 
+0900: 
Natural History and 
Scientific Book Circular: 
26, essex Siveet, (Sivanad, 
A Periodical Catalogue 
of Important Works, 
for sale, 
mln 1889 
New and Second-Hand, 
English and Foreign, 
in 
BOTANY: 
Phanerogams. 
Cryptogams, 
Ancient Botany. 
Physiology of Plants. 
Local Flora. 
Foreign Flora. 
Economic Botany. 
ZOOLOGY : 
Mammalia. 
Ornithology. 
Reptiles. 
Amphibia. 
Fishes. 
Conchology. 
Entomology. 
Crustacea. 
Vermes. 
Echinodermata. 
Coelenterata. 
Protozoa. 
GEOLOGY : 
Mineralogy. 
Paleontology. 
PHYSICAL SCIENCE : 
Astronomy. 
Mathematics. 
Electricity. 
Magnetism. 
Meteorology. 
Natural Philosophy. 
Chemistry. 
+0900 
A Circular containin 
any of these Subjecis 
on application. 
20H08 
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