8 14. Arp, Pre-Adamic Fruit, 1938, 30 cm. high, coll. Bally, Villeneuve, Switz erland 58 15 a, b. Two views of Arp’s studio, 1946 59 16. Creative Metope, oak relief, 1946, 140 cm. high 61 17. Shell, black granite, 1938, 26 cm. high, coll. Buchholz Gallery, N.Y. 63 18. Birdlike Cloud, wood relief and oil, 1943, 51 cm. high, coll. Jan Tschichold, West Drayton, Middlesex, England 65 19. Sophie Taeuber-Arp, Summery Lines, oil on cardboard, 1942 67 20. Sophie Taeuber-Arp and Arp, Collage, executed by both artists, 1918 68 21 a, b, c. Three Duets, drawings, 1939 71 22. Arp, Design in Paper, Torn in the Form of a Swan, Boot, Top and a Pipe, 1942, coll. Henry Schultz, New York, photo Eidenbenz 101 23. Duet Design Composed of Torn and Colored Elements by Sophie Taeuber-Arp, 1946, coll. H. Eidenbenz, Basle, photo Eidenbenz 103 24. Torn and Colored Paper with Stamped Designs, 1946 105 25. Torn Paper Design Reproduced in Blue and Torn-up Again, 1947, photo Eidenbenz 107 26. Drawing and Torn and Colored Papers, 1947, photo Eidenbenz 109 27. Interregnum, plaster, 1938 110 28 a, b, c. Interregnum, black granite, 1946, 32 cm. high, photo Rudolf Burckhardt 111 29 a, b. Lunar Armor, limestone, 1938, 37 cm. high, photo Burckhardt 114 30. Alu with Claws, plaster, 1942, 45 cm. high, photo Burckhardt 115 31. Amphora, plaster, 1946, xoo cm. high, photo Rudolf Burckhardt 116 32. Bird Mask, wood relief, 1918, coll. Doucet, Paris 125 33. Objects Placed According to the Law of Chance, (varnished wood relief), plaster, 1931, coll. Nelly van Doesburg, Paris 126 34. Woodcut, for cover of “Der Zeltweg,” a dada review, 1919 127 35. Woodcut, 1920, from “Cinéma Calendrier du Coeur Abstrait” by Tristan Tzara 128 36. Torn Papers, 1946, using impression of woodcut, 1920, from “Vingt-cinq-et-un poèmes” by Tristan Tzara 129 37 a, b, c, d. Human Concretion, stone, 1936, (four views), coll. Maja Sacher, Basle, photo Rolf Tietgens 130 38. Photograph of the artist, 1948, photo Rolf Tietgens 132