\documentclass{amsart}
\usepackage{fullpage}
\usepackage{tikz}
\begin{document}
\begin{center}
\begin{tikzpicture}
\draw[smooth] (0,1) to[out=30,in=150] (2,1) to[out=-30,in=210] (3,1) to[out=30,in=150] (5,1) to[out=-30,in=210] (6,1) to[out=30,in=150] (8,1) to[out=-30,in=30] (8,-1) to[out=210,in=-30] (6,-1) to[out=150,in=30] (5,-1) to[out=210,in=-30] (3,-1) to[out=150,in=30] (2,-1) to[out=210,in=-30] (0,-1) to[out=150,in=-150] (0,1);
\draw[smooth] (0.4,0.1) .. controls (0.8,-0.25) and (1.2,-0.25) .. (1.6,0.1);
\draw[smooth] (0.5,0) .. controls (0.8,0.2) and (1.2,0.2) .. (1.5,0);
\draw[smooth] (3.4,0.1) .. controls (3.8,-0.25) and (4.2,-0.25) .. (4.6,0.1);
\draw[smooth] (3.5,0) .. controls (3.8,0.2) and (4.2,0.2) .. (4.5,0);
\draw[smooth] (6.4,0.1) .. controls (6.8,-0.25) and (7.2,-0.25) .. (7.6,0.1);
\draw[smooth] (6.5,0) .. controls (6.8,0.2) and (7.2,0.2) .. (7.5,0);
\draw (-0.5,0) arc(180:0:0.51 and 0.2);
\draw[dashed] (-0.5,0) arc(180:0:0.51 and -0.2);
\draw (2.5,-0.85) arc(270:90:0.3 and 0.85);
\draw[dashed] (2.5,-0.85) arc(270:450:0.3 and 0.85);
\draw (4.0,0.15) arc(270:90:0.3 and 1.14/2);
\draw[dashed] (4.0,0.15) arc(270:450:0.3 and 1.14/2);
\draw (4.0,-0.15) arc(270:90:0.3 and -1.14/2);
\draw[dashed] (4.0,-0.15) arc(270:450:0.3 and -1.14/2);
\draw (5.5,-0.85) arc(270:90:0.3 and 0.85);
\draw[dashed] (5.5,-0.85) arc(270:450:0.3 and 0.85);
\draw (8.5,0) arc(180:0:-0.51 and 0.2);
\draw[dashed] (8.5,0) arc(180:0:-0.51 and -0.2);
\end{tikzpicture}
\end{center}
\end{document}