XII PROCEEDINGS OF THE NATIONAL MUSEUM vol. so 



Page 



4. Schematic drawing of the soiith side of a Han dynasty memorial arch 



near Yachow 3 



5. A tile roof edge forming a decorative motif frequently found in caves 



throughout Szechwan Province 4 



6. Carving on the wall of a cave-tomb near Kiating, portraying the side 



of a tile-roofed house 4 



7. Schematic drawing from a cave near Kiating, showing the type of 



half brace frequently seen in later Chinese buildings and memorial 



arches 5 



8. A simple type of ancient Chinese brace ^_ 5 



9. Carved entrance to the double cave near Kiating 5 



10. Diagram of a brace made of bricks G 



11. Brace found at each side of a cave ten li west of Kiating 6 



12. Representation of a house chiseled on the wall of a cave near Kiating. _ 7 



13. Representation of a house roof, carved on a stone pillar in a cave- 



tomb near Kiating 7 



14. Head from a small figurine 10' 



Three New Species of Polychaetous Annelids in the Collec- 

 tions or THE United States National Museum 



By Aaron L. Treadwell 



1. Nereis heterocirrata, new species 2 



2. Lumbrinereis elongata, new species 3 



3. Eupomaius decorus, new species 4 



The Copepod Crustaceans of Chesapeake Bay 



By Charles Branch Wilson 



1. Chesapealie Bay biological and hydrographic stations, 1915-16 and 



1920-21 (map) .' 3 



o 



