1. INTRODUCTION

2. OBSERVATIONS AND DATA HANDLING  
   2.1. Sample Selection  
   2.2. HST /COS Observations  
   2.3. 21 cm H I spectra  
   2.4. WHAM H α emission-line spectra

3. OVERVIEW OF MAGELLANIC ABSORPTION  
   3.1. Detection Rate of Magellanic Absorption  
   3.2. Kinematic Comparison of Neutral and Warm-Ionized Phases  
   3.3. Observed Ion Ratios

4. PHYSICAL CONDITIONS IN THE MAGELLANIC GAS  
   4.1. Low Ions: Cloudy Photoionization Modeling  
   4.2. High Ions: Collisional Ionization Modeling

5. TOTAL MASS OF MAGELLANIC GAS

6. INFLOW RATE OF MAGELLANIC GAS

7. CONNECTION OF MAGELLANIC SYSTEM TO QUASAR ABSORPTION LINE SYSTEMS

8. SUMMARY