98 The Ottawa Nati-ralist. [August 



snow, logs or dense vegetation. " These nests are the sleeping- 

 places of the old and the nurseries of the young. They are kept 

 surprisingly clean and fresh, and new ones are frequently made. 

 The food of Meadow Mice consists mainly of green vegetation, 

 roots and bark." 



As to their economic status, Mr. Bailey says : "Too small 

 and loo numerous to be successfully destroyed by traps, guns or 

 poison, they prove one of the most difficult enemies with which 

 the farmer has to contend." " With a stroke of their chisel-like 

 teeth they fell the stalks of wheat and oats and eat the tender 

 parts, together with some of the grain. In shocks of corn and 

 wheat the grain is oiten completely devoured." 



The following are the British-American species, and they are 

 described and illustrated in the publication : 



1. Microius Acadicns, Bangs. Digby, N.S. 



2. Microtus Druminotidi (Aud. and Bach.). Rocky Mountains, 



vicinity ot Jasper House, Alta. 



3. Microtus enixus, Bangs. Hamilton Inlet, Labrador. 



4. Microtus fontigenusy Bangs. Lake Edward, Que. 



5. Microtus labnidorius, Bailey. Fort Chimo, Ungava, 



Labrador. 



6. Microttis Macfarlatii, Merriam. Fort Anderson (north of 



Great Bear Lake), Mackenzie. 



7. Microttis Richardsoni (DeKay). Near foot of Rocky 



Mountains, vicinity of Jasper House, Alta. 



8. Microtus serpens, Merriam. Agassiz, B. C. 



g. Microtus terrcenovce (Bangs). Codroy, Nfdid. 



10. Microtus tetramerus (Rhoads). Beacon Hill Park, Vic- 

 toria, B. C. 



11. Microtus xonthognathus {L.QSich). Hudson Bay. 



Mr. Bailey subdivides' the genus Microtus, which comprises 

 in all seventy species, into nine subgenera. The above Canadian 

 species Nos. i, 2, 3, 4, 5, 6, 9, 10, and 11 come under the sub- 

 genus Microtus, No. 7 under the subgenus Arvicola and No. 8 

 under the subgenus Chilotus. 



H. M. A, 



