ne ACP epee ee meme 
OC ICAL 
OR 
“SOGLRITY 
IN TALEO 
‘ Joba Lawrence Te Conte, : 
ee 
= “PHILIP | P. CALVERT, Ph. Bi eine-< 
see E T. _CRESSON, JR., Associate Editor. 
ee eee ApvisoRyY CoMMITTEE: 
| BERA T..CRESSON. = : J. A. G. REHN 
_ PHILIP LAURENT, _ /-- ERICH AECKE. > (H.W. WENZEL. ~ : 
Boe Pee PHILADELPHIA : . 
Reese Tu ACADEMY OF NATURAL SCIENCES, 
“ig eg ea LOGAN e pees 
Me Entered at the Philadelphia Post-Oftice as Second-Class Matter. 
