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1 . Klovutorh 



3. Information Bureau 



3. Visitors' Room 



4. Academy Room 



5. West Assembly Rood 



6. Collection of Corals 



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OF THE OF THE MEMORIAL HALL Nn D _ H °. M t D . - . w IN VE R T EB R ATE5 



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Bench Mark 



South Pavilion 



MEMORIAL HALL 



Before entering the Museum one notices the "Bench Mark" estab- 

 lished by the U. S. Geological Survey in 1911 on which is 

 inscribed the latitude and longitude, 40° 46' 47.17" N., 

 73° 58' 41" W., and height above sea level, 86 feet. 



On the right is a "pothole" from Russell, St. Lawrence Co., N. Y., 

 formed by an eddy in the waters of a stream beneath the melting ice 

 Glacial of the glacier that covered northern New York. The 



Pothole stream carried pebbles that, whirled around by the eddy, 



cut and ground this hole, which is two feet across and four feet deep. 



On the left is a large slab of fossiliferous limestone from Kelleys 

 Island in Lake Erie near Sandusky, whose surface has been smoothed, 

 Glacial grooved and scratched by the stones and sand in the 



Grooves bottom of the vast moving ice sheet or glacier that covered 



the northeastern part of North America during the Glacial Epoch. 



The Information Bureau and the Visitors' Room are on either side of 

 the south entrance. Wheel chairs for children or adults are available 

 without charge. Postcards, photographs, guide leaflets, and Museum 

 Visitors' publications of various sorts are for sale, and visitors may 



Room arrange to meet friends here. On the right and left of the 



entrance are small Assembly Halls in which lectures to classes from the 

 public schools of the City are given and where the New York Academy of 

 Sciences and other scientific societies hold their meetings. 



9 



