* RODENTIA—HYSTRICIDAE—ERETHIZON 
EPIXANTHUS. 
571 
The following table will illustrate the peculiarities of the nasals above referred to : 
~ F » - a) nD Se 1 
. 2°S a4 a Sd gk 
5 days a $ = 2 a2 
S73 S are 3 
3 Seo lt 2 yo eh ae 
e Species. 3 a goo = 6 3 F 5) Locality. 
Le | ise) ° 9) Rm 
2 a 6 3 sa = Go Oo > 
g Piers! ce | mY | 3a 
[=| ees S| eee : | ® 
: GS A 
oe | a a Sane ale 
a | | 
G22) | Ee. epicanthus ........-.-------- 3.834 (s.57% Hh 2) 82 liad, 20 90 | Upper Missouri........------- 
WebSe || sec ee = Omen a settee oe ame 3.70 3.48 | 2.55 1. 40 -76 | Bill Williams’ Fork....-....-- 
i ny RR JE BTS IS eel Stor 95. | 2.3% | Mees HU aa Ut ae didn ee) eee 
Phd willie. ohh does. Rabelais eat 4, 23 3.95 2.85 1.,60; “|, ,..80) | Republican Work....-.-222---- 
7 a WO ee A em 4.23 4. 00 2.85 1. 80 DO ei mein DO 8 i acer oe en 
ULL DENG 7 EY ne et RES Cn Bene eel |e ee ea 1.08 | .65 | St. Lawrence county, N. Y._-.- 
CAs gh See dOpee Josten nen canacues 3.58 3.35 2 55 1. 20 (60! ||| 4RENNSYLVANIA n= = alas essences 
2800" \=s= casas d0veasssessancsenccne- 3.90 3.70 2.75 1. 30 ; (oO | HSSex* COUN, NS enn eas see o 
S066? [PE2UR ME do. SE See Bibs te 4, 35 3. 75 2.90 1.21 Pia (thal Pe te Gozeestiere See. 
This species was first separated from the common American porcupine, by Brandt, in 1835. 
It appears well worthy of specific distinction. 
Unalaschka. 
everywhere, from the Upper Missouri, north and west. 
List of specimens. 
Brandt’s specimens came from California and 
This will give a wide range to the species, as it probably replaces Z. dorsatus 
= —+- + > ~-- - 
= 
= Measurements. 
o 
2 a == 5 
: (=| o s z 
alee 3 = & e 8 2 
E wr Locality. Whencol- | Whence and how ob- 2 a | = e- es Collected by— 
2 \|22 S, lected. tained. eI = 3 2 2 = 
Bel Sel ae Pr [cP Fe Ey ( 
Bie | z Sy een peeey By) Ga 
sae tS & 3 2 2 = = 
3 5 % ast 3 S $ ‘a a 
iS) n ° z a Fi VSI & 
Biss Eee wees s | MOK LMUGUS NED mare llliaussceictetesis |) Pr CUDCMBON aie) causal sxsven | SRELCLOW | cnuna |aazime sete wel uess.sn acecisiaeiclawen scat cae csa 
| | 
1896 | 2594 |...... Republican Fork....... Oct. 6, 1856 | Lt. I’. T. Bryan... 370 | Skin' ,..| 6.50 26.00 | 6.50 | 8.75 | W.S. Wood ........ 
1897 | 2595 3 ecccecee G0 Sceecnconrnce Oct. 7, 1856 |....5.5 Gy ieee neha meld 371 | Skin? ...) 6.75 |25.75 | 7.00 | 8.50 |...... GO Mperaaeandcnct 
348 | 1262 |...... Bill Williams’ Fork, 1854 Capt. A. W. Whipple..|..... MEGANE | tae setae sates | seeeelereees Dr. Kennerly and H. 
N.M. | B. Millhausen. 
SADNIDGS |e canes |e en cece 1H) BoerAscrccass 1854 |iwenees GUS Aa sacogrinnecod focbortic Gn Ait) Jase) easing Se S8eel basic osasac beBsactonéoce@ssatssaa 
HED | coc. |eceeee Fort Reading, Cal......|s.2.eeseeeee | Lit. Williamson....0..-|-.0.+. SKIN 0.0 }secces|eaeee | sesesleesees Dr. J. S. Newberry. . 
1 Measurements taken before skinning. 
