DESCRIPTION
Of a male, killed at San Bias.
F o rm , a n d l a r g e in p ro p o r tio n to its b o d y . E y e s la r ^ c . iVo« o b tu s e . W h ish e rt
b la c k , lo n g e r th a n th e h e a d . In c iso rs y e llow . E a r s r a th e r sm a ll, s em i-o v a te , ro u n d ed a t th e t ip a n d n o t
tu fte d , we ll c lo th ed on bo th s id e s with s h o r t h a ir . T a i l lo n g , very h a iry , c y lin d ric a l o r d is tic h o u s , a t
th e will o f th e an im a l. Toes lo n g , a n d we ll s e p a r a te d . Fbrc -ioe s r a th e r s le n d e r ; th ird o n e lo n g e s t ;
th e ir claws s tro n g , m u ch com p re ssed , sh o rt, c u rv e d a n d sh a rp -p o in te d ; a sm a ll c a llo u s w a r t in p la c e
o f a th um b , p ro te c te d b y a ro u n d e d fla t n a i l ; p a lm s n a k e d , with, a s u su a l, five tu b e rc le s . T h e so le s
o f th e h in d fe e t a r e lo n g e r a n d b ro a d e r in p ro p o rtio n , a n d a r e n a k e d m u ch f a r th e r b a c k th a n th o se o f
S c . Hud so n iu s; th e y a r e n e a r ly a s long, a n d a re som ew h a t b ro a d e r , th a n th o s e o f S c . capistratus,
w h ich is a c o n s id e ra b ly b ig g e r an im a l.
F u r , C o l o u r , &c.—U p p e r s u rfa c e o f th e b e a d a n d b a ck p r e s e n tin g a m ix tu r e o f p a le y e llow ish -
b row n a n d b la c k , w ith o u t sp o ts , th e b la c k p r e d om in a tin g on th e d o rs a l line ; th e fo re h e a d s p rin k le d
w ith a few w h ite h a irs . C h e ek s , flanks, o u ts id e o f th e sh o u ld e rs a n d th ig h s , a n d a n te r io r su rfa c e s o f
th e le g s a n d fe e t g riz z le d o r h o a ry , from a n e q u a l a n d in tim a te in te rm ix tu r e o f b la c k a n d w h ite h a irs .
E n d o f th e n ose c o v e re d with a smootii c o a t o f s h o r t, s h in in g , um b e r-b row n h a ir s . S id e s o f th e n o s e ,
c irc um fe re n c e o f th e m o u th , th ro a t, b e lly , a n d in s id e s o f th e e x tr em itie s , w h ite . T a il g riz z le d w h en
c y lin d r ic a l; h a v in g a b ro a d b la c k b a r o n e a c h s id e , w ith a w h ite m a rg in , w h e n d is tic h o u s . T h e
f u r o f the hack h a s som e lu s tr e o n its s u r f a c e ; its c o lo u r, from its ro o ts fo r th r e e q u a r te r s o f its
len g th u pw a rd s , is g rey ish -b la ck ; w h ich is su c c e ed ed b y a p r e t ty b ro a d r in g o f w o o d -b row n , a n d tip p e d
w ith b l a c k ; th e b la c k tip s o f some h a irs b e in g m u c h lo n g e r th a n th e r e s t T h e h a irs o f the ta i l a r e
ab o u t two in c h e s lo n g ; w h ite a t th e ro o ts a n d tip , th e in te rm e d ia te p a r t sh ew in g th r e e b la c k r in g s ,
o f wh ich th e o n e n e x t th e tip is b y m u c h th e b ro a d e s t. A t th e e x tr em ity o f th e ta i l th e r e is a tu f t o f
lo n g h a ir , b row n ish -b la c k to th e tip , w h ich is w h ite .
DIMENSIONS.
In . L.
Leagth of head and bod y ................. 10 6
„ of h e a d ............................... 2 6
„ of tail (v e rte b ra )............................. 8 6
„ of tail, including fur............................. .11 0
„ from wrist to tip of middle claw ................ 1 9
„ of middle fore-toe............................................ o 8
„ of its claw............................. 0 4
In. L.
Length from heel to top of middle hind claw...............S 4
„ of furry part of h e e l............................................0 6
„ of naked sole.............................................. 1 0
,, of longest bind'toe and claw. .......................0 9
Breadth of sole adjoining the toes ........................... 0 6
Height of the car posteriorly......................................... 0 6
„ of the ear anteriorly..................... 0 8
5 5 . G e o m y s D o u g l a s i i . C o l u m b i a s a n d - r a t . ( F . B . A . N o . 6 2 .)
Neig h b o u rh o o d o f F o r t V a n c o u v e r , o n th e Columbia .
5 6 . D i p l o s t o m a b u l b iv o r u m . T h e c a m a s r a t . ( F . B . A . N o . 6 5 .)
N o tw ith s ta n d in g M r. S ch o o lc ra ft’s positiv e te s tim o n y r e sp e c tin g th e u s e a n d e x te rn a l o p e n in g s o f
th e c h e e k p o u ch e s o f tiie gophers, a s r e f e r r e d to in th e F a u n a B o r ea li-Am e r ica n a , d o u b ts on th e
su b je c t, an d c o n s e q u e n tly o f th e ex is te n c e o f diplostoma a s a d is tin c t g en u s from geomy s, h a v e b e en
e x c ite d sinc e we la te ly re c e iv e d s e v e ra l sp e c im e n s o f th e mus bursarius o f Shaw, (w h ic h is a tru e
geomys, with p o u ch e s o p e n in g in te rn a lly ,) from th e b a n k s o f th o S a sk a tc h ew a n . T h e figure in th e
Lm n e a n T ra n s a c tio n s is a c o rre c t r e p r e s e n ta tio n o f th e form o f th e a n im a l, a n d gives th e tru e ap p e a ra n c e
o f its check p o u ch e s w h en d is te n d e d w ith food. T h e y c a n n o t in a r e c e n t sp e c im en b e m a d e to a ssum e
th e form o f th e pouches o f diplostoma,
5 7 . A p l o d o n t i a i . e p o r i n a . T h e . s i s w e l l e l . ( F . B . A . N o , 6 6 .)
B a n k s o f th e Co lum b ia .