1. INTRODUCTION  
1.1. A Lack of H α Protoplanets?  

2. MOTIVATION & BACKGROUND  
2.2. Current Approaches to Imaging H-alpha Planets  
2.3. New H α Detection Techniques: Extreme Visible AO (MagAO-X) and MUSE  
2.4. Past Successes Detecting Gap Protoplanets  
2.5. How Transitional Disks Can Maintain These Large Dust-Free Gaps  

3. A NEW MODEL FOR MASSIVE ACCRETING GAP PLANETS  
3.2. H α Emission and Extinction in the MAG Model  

4. MODEL PREDICTIONS  

5. DISCUSSION  
5.2. Inclined Systems  
5.3. Low Accretors  
5.4. The Southern Bias  
5.5. What is the Expected Yield of a Future MagAO-X Survey?  
5.7. Sensitivity of the Predicted Planet Yields to Assumptions About the Planet Masses  
5.8. What Would a Null Result Mean for a Future Deep H α Planet Survey?  
5.9. Future Theoretical Work for the MAG Model  

6. CONCLUSIONS