Ertebøllen.

1927 H. Peake & H. J. Fleure Hunters & Artists vii. 109 This period, known as the Littorina period, is the time of the ‘kitchen-middens’ or shell-mounds... Two phases of this culture are usually recognised... The second or chief phase..is called the Ertebölle phase.

1933 Antiquity 7 47 Sites of the Ertobolle cultures which are in the Atlantic period and correspond roughly to the Litorina maximum.

1948 A. L. Kroeber Anthropol. (rev. ed.) xvi. 670 Ertebølle, first called Kjøkkenmødding, then kitchen-midden culture. Type site in Denmark, distribution northern. Time, late Mesolithic..5000–3000 B.C.

1954 S. Piggott Neolithic Cultures Brit. Isles iii. 84 Bone combs..occur in the Ertebølle culture.

1959 Chambers's Encycl. V. 453/2 The Ertebölle culture is well known from the extensive middens formed of the shells of the molluscs on which the people largely lived.