MOLECULAR AND BIOCHEMICAL PARASITOLOGY (1980) Vol. 1, No. 4
p. 246, Addendum in Proof, first line: The length of the satellite repeating unit is 177 bp, and not 117 bp.
MOLECULAR AND BIOCHEMICAL PARASITOLOGY (1980) Vol. 2, No. 2
p. 90, Reference 9 is to the previous paper in the sa.me issue: Mol. Biochem. Parasitol. 2,63-75.
p. 120, lines 15 and 16 should be replaced by: cholesterol/phospholipid ratio 1211, while IIDL has a lower ratio of cholesterol to phospholipid than most eukaryotic membranes [ 111. In this connection, it should be mention-