**Forum Geometricorum**

**Volume 17 (2017)**

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**
16. Nguyen Tien Dung, Another purely synthetic proof of Lemoine's theorem, 119--121. **

15. Martin Celli, Convexity and non-differentiable singularities in Mortici's paper on Fermat-Torricelli points, 115--117.

14. Glenn T. Vickers, Equilateral Jacobi triangles, 101--113.

13. Elliott A. Weinstein and John D. Klemm, An improved inequality for the perimeter of a quadrilateral, 97--100.

12. Tran Quang Hung, A simple synthetic proof of Lemoine's theorem, 93--95.

11. Jaydeep Chipalkatti, Pascal's hexagram and the geometry of the Ricochet configuration, 73--91.

10. Paris Pamfilos, Putting the icosahedron into the octahedron, 63--71.

9. Mark Shattuck, Steiner-Lehmus type results related to the Gergonne point of a triangle, 49--62.

8. Tran Quang Hung, Another simple construction of the golden section with equilateral triangles, 47--48.

7. Li Zhou, Do dogs know the bifurcation locus?, 45--46.

6. Giovanni Lucca, Chains of tangent circles inscribed in a triangle, 41--44.

5. Chai Wah Wu, Counting the number of isosceles triangles in rectangular regular grids, 31--39.

4. Giovanni Lucca, Circle chains inscribed in symmetrical lunes and integer sequences, 21--29.

3. Manfred Pietsch, The golden ratio and regular polygons, 17--19.

2. Gerasimos T. Soldatos, A toroidal approach to the Archimedean quadrature, 13--15.

1. Jan Kristian Haugland, A note on conic sections and tangent circles, 1--12.