528 Misses M. D. Haviland and F. Pitt on the 



Table I. 



Snails tethered in Maidenhead Thicket. 



XT L f T» J Numher of Number of 



^ umber of Bands. g^^^^^ gnails taken. 



1 band 7 1 



2 hands 7 3 



3 , 23 4 



4 „ 12 6 



5 „ 20 1 



Vars. rubella and castanea (un- 

 handed) 11 2 



Total 80 17 



Table II. 

 Cambridge. 



5 separate hands = 11-2 per cent. 



5 hands with 4+5 fused = 4'1 per cent. 



5 bands with fusions = 12-0 per cent. 



" Plain below " = one or more of bands 3, 4, 5 absent = 20'7 per cent. 



" Plain above" = one or more of bands 1, 2 absent = 29'3 per cent. 



Unhanded = 17-5 per cent. 



Helicella caniiana = 4*9 per cent. 



