Magazines for holding plural flat cards

A magazine for holding plural generally flat sample collection cards in spaced parallel relation at their edges only, the magazine open at its top, the magazine comprising:

• upstanding opposed side walls (110,120), each side wall further including plural opposed pairs of inwardly extending wall ribs spaced along each side wall to provide therebetween card accepting slots, a first slot dimension being defined by the spacing between an interior face of each side wall, wherein the side walls at the top of each slot are tapered outwardly such that the first slot dimension is greatest at the top of the slot,
• wherein each wall rib has a cross piece extending generally in the same direction as a respective side wall, and
• wherein adjacent ends of neighbouring cross pieces are spaced to define a gap which defines a second slot dimension, and
• wherein each cross piece has a narrowed upper end formed by opposing tapers on opposing end surfaces thereof such that the second slot dimension is enlarged at the top of the slot.