1. Introduction

2. Observations and Data Analysis  
2.1. The Selected Clumps  
2.2. Molecular Line Observations  
2.3. Analysis of the Molecular Line Data  
2.4. Herschel Observations

3. Results  
3.1. Velocities and Linewidths  
3.2. Physical Parameters in the Clumps  
3.3. Clump Distances  
3.4. Clump Stability

4. Discussion  
4.1. The Temperatures and Column Densities of the Clumps  
4.2. The Nature of the Clumps

5. Conclusions