202 
MONOGRAPHS OF NORTH AMERICAN RODENTIA, 
Taste L.—Mecasurements of sixty-nine specimens of ARVICOLA XANTHOGNATHUS from North America, north 
of the United States—Continued. 
Noeaitoe Tail to end 
of— 
. Locality. Collector. a mS 3 Remarks. 
g = se We | aol Pes 
=| : z = 3 — Zz PH < a 
Bly Be lea lo aie ee [ore [escuela ie 
Zz \|a | a 3 Once ae i A} A 
8969 |.--. W.. H. Dall...--. , ORO Ta eases Dry. 
9412 |... Beant esacnasscin 1; US00} | Pe=nes -- do. 
8070 |... R. McFarlane - 1. hi! iscsi --.do. 
8166 Settn aces nase 1, O3905|eees—c ----do. 
8075 |. aedtil) Serene 1. UBfES) |e Seas 
8073 Sil haREe oases 1. O303i ee ome moti (ty, 
80754) anil) pape sothese 1. 0. 87 }..-.-. ---do. 
8068 Bod sees ana ° 1. S92 oem .- do. 
8069 |. ce GO areecéices 1 1. OME GT eel le .-.do. 
8074 |. Sat Oust eter Palote th 1 0. 88 |.----- ----do. 
2395 |. - BRA Hecesessoc L. ils 0.92 | 0.56 | Alcoholic. 
6233 |. Pe 1.25 | 1. 0.95 |...... Dry. 
8071 |. Sos 16 2. 0.92) | 5 os eeeUo: 
4508 |.... R. Kennicott.-..| 0.60 | 1.10 | 1.25 | 4.80 | 1.75 | 1.95 | 0.40 | 0.98 | 0.55 | Fresh. 
4510 |.--. 1.50 | 1.70 | 0.37 | 0.90 | 0.55 |....do. 
CCH ER ASE (OSE een ceo) ssa iC) ae Se A) sl eon Paes |e alles | [bases |e, UAH) ae a5 Alcoholic. 
6754 |. 1. £0 | 2.00 | 0.43 | 0.96 | 0.65 | Dry. 
6674 |. 1.80 | 2.15 | 0.43 | 0.97 | 0.72 |....do. 
G684 |. 1.60 | 1.90 | 0.40 | 0.93 | 0.68 |....do. 
6764 |.... 1.50 | 1.85 | 0.42 | 0.96 | 0.59 |... do. 
GT7L |ce= 1.60 | 1.80 | 0.41 | 0.94 | 0.60 |..--do. 
6570 |... - 1.50 | 1.80 | 0.40 | 0.88 | 0.67 |.--.do. 
6574 |... 1.20 | 1.45 | 0.44 | 0.95 | 0.69 |....do. 
6783 |.--. 1.40 | 1.60 | 0.44 | 0.96 | 0.60 |...-do. 
6666 |... 1.20 | 2.15 | 0.47 | 0.94 | 0.65 |..-.do. 
6729 |. 1.90 | 2.15 | 0.44 | 0.99 | 0.68 |....do. 
6647 |. 260) 23100 Soe 0.95 | 0.68 . do. 
6554 PAU PERS | Rese a 0.94 | 0.75 |..-.do. 
6724 |. 1,00 | 1.30 e 0.96 | 0.56 |... do. 
6541 |. 1.50 | 1. esl eceel oak l 
6688 |. 1.40 | 1. 0. 989} 0.57 |.-..do. 
G75L |. 1.35 | 1. 0.97 . 
6549 |. sas 0. 96 
6637 |. 1.90 } 2. .} 1.00 
6788 1.60 | 1. 0. 93 
6570. |. 1.15 | 1.4 0. 90 
6556 |. 1.50 | 1. 0. 90 
6692 |. 1.60} 1. -| 0.97 
6792 |..-. 1.30 | 1. 0.94 -do. 
6573 |---- 1.40 | 1. 0.88 | 0.62 |....do. 
CEES aed lescsse Teceeaasenoe aches Sse lmmseme cms Resell ssoc|fenesee |) Stahl snl enon Mem 0.90 | 0.59 |....do. 
southwest of this locality. 
Nortre.—Mr. Kennicott’s specimens were partly taken at Fort Yukon (mouth of Poreupine River) and partly 200 miles 
region by Mr. Kennicott. 
Fortunately, the synonymy of this species is plain. 
Besides those tabulated, we have examined several hundred others, all brought from the same 
Tt was first described 
and not very well figured by Leach, as above; Dr. Richardson next noticed 
it ina more satisfactory detail; then Audubon and Bachman reproduced the 
sense of Richardson’s article ; and, lastly, Baird published it upon substantially 
