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THE POPULAR SCIENCE MONTHLY.
| Fig. 19. A two-man Wheel-barrow carrying a merchant and his stock of Goods. | Fig. 23. Irrigating with Water pumped from a well. | |
| Fig. 20. A River Junk. | Fig. 24. A Sedan Chair swung between two Mules. | |
| Fig. 21. A Friendly Crowd in an Inland Town. | Fig. 25. Getting his Initiation into Farming, with Grub-hook and Basket. | |
| Fig. 22. Mongolian Camels in Northwestern China. | Fig. 26. Coolies Fording a Mountain River. |
the sunken portion of eastern China. Like the lower Mississippi and all other rivers which are building up rather than cutting down their beds, the Huang-ho is subject to frequent floods and occasional sniffings of its channel. Its course between the mountains and the sea has thus been changed more than fifteen times in the last 3,000 years.
