| Answer | Crossword Clue |
|---|---|
| ARINOS | 400-mi. Brazilian river. |
| NEGRO | 1,400 mi. river, tributary of Amazon. |
| ARINOS | River of Brazil, 400 mi. to Tapajos. |
| NEGRO | 1,400-mi. river into the Amazon. |
| URAL | 1,400-mi. river into the Caspian. |
| CARONI | River, S. E. Venezuela, 400 mi. to Orinoco. |
| SAL | River in S. E. Russia, 400 mi. to Don. |
