le a 
er: 
 ‘TRINGA PUSILL A asec: Wilson. 
ON THE 
ole Ha) Ayn Pete ATES 
ON THE 
ARMATURE OF THE LOWER BILL 
OF THE HATCHING 
Ra 
Leh 4’ , 
; > BY 
DR, DAVID F. WEINLAND. 
: 
FROM THE PROCEEDINGS OF THE ESSEX INSTITUTE, 
Vol. Il. p. 28. 
SALEM: 
WILLIAM IVES AND GEORGE W. PHASE, PRINTERS, 
OBSERVER OFFIOE 
Ve ee 
‘CANSOTVLVO 
Cj et Vu 
“<a 
