26 



CARNEGIE INSTITUTION OP WASHINGTON. 



feet high under the eaves, rising to 8 feet. This room, lighted by 

 ten small windows, has a capacit)' of about 7,000 books. 



Kvery one of the work-rooms of the building is supplied with salt 

 water and both cold and hot fresh water ; each has electricity as the 

 main source of light and power, and is piped for acetylene gas. 

 There is an intercommunicating telephone system, and additional 

 wire, sufficient to connect the different parts of the property, has 

 been placed. A dumb-waiter places the main breeding-rooms in con- 

 nection with the food-room in the cellar, and every room is provided 

 with special means of ventilation independent of the windows. 

 Water is supplied by an electric pump, which keeps a tank in the 

 attic of the residence (the loftiest point on the grounds) full by an 



Fig. 2. — Cold Spring Harbor Station, west elevation. 



automatic float-switch. The building is heated by steam, the tem- 

 perature being automatically regulated. 



Three undertakings contemplated from the beginning will have to 

 be deferred until 1905. These are : first, a plant-propagating house 

 about 18 feet by 50 feet ; second, a wire covering to the experimental 

 garden to keep out seed-eating birds ; and, third, a series of outdoor 

 fish-ponds, involving 1,000 feet of piping from springs. 



In addition to aids in correspondence and registering, such as a 

 typewriter and letter and card files, the station possesses two compound 

 microscopes and two dissecting microscopes, one Minot microtome, 

 paraffin bath, the necessary glassware for cytological work, and a 

 full laboratory equipment. We have also two adding machines for 

 statistical work, a few meteorological instruments, an incubator, a 



