20 NEW YORK STATE MUSEUM 
PALEONTOLOGY 
The Gilboa Devonian Forest. The analytical study and recon- 
struction of these trees have been so far completed that it has 
been possible to inaugurate the restoration of this forest intended 
for exhibition on the floor of the Museum. The plan of this restora- 
tion is to represent the three successive levels in the rock in which 
the tree stumps have been found, with the actual stumps in place and 
in the background to portray a conception of the growing forest in 
which the trees were rooted. The work is going forward under the 
direction of Henri Marchand who is aided by his sons, Paul and 
Georges Marchand. 
Fauna of the Bertie waterlime and Lockport limestones. These 
impure limestones were laid down under physical conditions that 
are not repeated in the succession of the New York formations, and 
the animal life of these impure and shallow seas is of a very inter- 
esting character though the fossils themselves, except for the euryp- 
teris, are not striking or often well preserved. The collection of 
them requires great patience and perseverance but the accumulations 
of later years have brought into the Museum a quite extraordinary 
addition to the known faunas of these geological horizons. Very 
many of these interesting additions have been collected by Mr E. 
Reinhard of Buffalo and their characteristics have been developed 
by Doctor Ruedemann. 
Graptolites. Doctor Ruedemann is engaged in the preparation 
of a monograph of the North American Graptolites and for the 
purposes of preparation has received very extensive collections from 
all parts of the country, especially the complicated mountain regions 
of Western America, Idaho, British Columbia and Alaska, as well 
as the collections which have been accumulating in the National 
Museum at Washington. This work has received the support of the 
National Research Council which has enabled Doctor Ruedemann to 
purchase some expensive but necessary apparatus, notably a Lap- 
worth-Parks microscope for drawing. 
Stratigraphy of the Utica and Lorraine formations. The com- 
pletion of this work by Doctor Ruedemann is the outcome of sev- 
eral years of labor and contributes a vast fund of knowledge to the 
understanding of these Lower Silurian formations in New York. 
The first part of this bulletin has been submitted for printing. 
The Cryptozoon reefs near Saratoga. Frequent reference has 
been made in previous reports to the occurrence of these very an- 
