278 



A MANUAL OF BACTERIOLOGY 



(B) MIQUEL'S ANALYSES. 



Dr. C. N. Dowd 1 has recently ascertained the 

 number of microbes in soil derived from various 

 streets in New York. The soil in each case was 

 obtained during the upturning of the streets for 

 relaying gas and water-pipes, etc. 



(c) DOWD'S ANALYSES. 



Samples of Soil from 



East Fifty-ninth Street, near Third Avenue, . 

 East Fifty-nine Street, near Park Avenue, 

 East Fifty-ninth Street, near Fifth Avenue, . 

 East Fifty-ninth Street, near Madison Avenue, 

 Eighth Avenue and Fifty-seventh Street, . . 

 Tenth Avenue and Sixty-fifth Street, . . . 

 Eighth Avenue, near Fifty -sixth Street, . . 

 Eighth Avenue, near Fifty-fifth Street, . . 

 Fifty-ninth Street and Sixth Avenue, . . . 

 Fiftieth Street and Eighth Avenue, .... 

 Sixth Avenue, near Fifty-eighth Street, * . 

 Seventh Avenue and Fifty-fourth Street, . . 

 Seventy -first Street, near Eighth Avenue, . . 

 Forty-ninth Street and Eleventh Avenue, . . 

 Third Avenue, near Forty-second Street, . . 

 Third Avenue, near Forty -second Street, . . 



Number of 

 Microbes per cc. 



17,675 



17,950 



157,200 



131,100 



29,700 



29,250 



8585 



3800 



10,650 



287 



33,150 



15,250 



20,150 



24,900 



28,850 



67,500 



American Medical Record, 1890. 



