f 



£ '5 7'-/ 



STORAGE 



^^ Bioiogicaj PEBRUARY, 1913. 



& Medica] 



PROPERTY 



No 



Lactam 



Btomological news 



Vol. XXIV. 



No. 2 



Titian Ramsey Peale (1800-1885 



PHIIJP P. CALVERT. Ph.D., Editor. 

 E. T. CRES50N, Jr., Associate Editor. 



HENRY SKINNER, M.D., Sc.D., Editor Emeritus. 



PHILADELPHIA: 



The Academy of Natural Sciences, 



logan square. 



Entered at the Philadelohia Post-Office as Second-Claas Mattw 



