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In the case of English counties which are not mentioned in the foregoing table, a reference to the local distribution will show that the Ophidia are so few in these counties that it is impossible to get reliable figures. In the remaining parts of Scotland the average is much the same as that stated in the districts mentioned.

371

APPENDIX.

THE following pages are intended to be filled up by the field naturalist as specimens come under his observation, thus providing a permanent record of the relative frequency and average lengths of the various species in the locality referred to, and a means of comparison with the observations of others.

(The author would be grateful if observers would communicate to him the result of their observations from time to time.)

VIPERA BERUS, OR ADDER.

LOCALITY.

SEX.

LENGTH.

OBSERVER.

VIPERA BERUS, OR ADDER.

LOCALITY.

SEX.

LENGTH.

OBSERVER.

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