4 mammae on n side of river, 6. Marmota flaviventris - abundant on n side of river in rocky slopes; very few on south side, 5 taken on n side. 7. Sylvilagus nuttallii - fairly common in rocky situations),+ brush of some sort, Several taken 8. Lepus californicus - few taken, Not very common - about 12 seen. 9. Spilogale- 2 skulls retrieved; reported very common last winter); local name "Civet Cat". 10. Meles major - one dead skunk found on s side of river; skull saved. Reported as quite common. 11. Ondatra - Sign is common, 12. Castor - Sign reported - known to be here; vide Mr. Breggo. 13. Lutra - Reported as having been taken here by trappers). 14. Mustelus - weasels reported from both sides of river, Sheep men complain that they kill their sheep. 15. Sorex - Two taken in mouse traps in the marsh,