VI. 
CONTRIBUTION TOWARD 
\ MONOGRAPH 01- THE LABOULBENIACE.E 
PART II. 
uv 
IU)f,\.\l) THAXTER 
Willi lnlMV-FOUR PLATES. 
I'liKSKvrF.n Apkil S, l'.>08. R eived April 6, 1008. 
