44 SPERMOPHILES OF THE MISSISSIPPI VALLEY. 



Tablt showing contents of 80 stomachs of the Striped Prairie Spermophile 

 (Spermophilus tridecemlineatus) — Continued. 



Sex- 



Date. 



Locality. 



Percent- 

 age of 

 animal 



matter. 



Percent 

 age of 

 vegeta L>ie 

 matter 



Contents. 



19 



d 



20 



d 



21 



9 



53 





55 





62 



d 



81 



9 



84 



d 



100 



? 



103 



9 



109 



j< 



o 



1 1 



d 



115 



O 



V 



116 



d 



125 



d 



126 



9 



127 



d 



139 



d 



143 



9 



144 



d 



145 



d 





n 

 ¥ 



152 



d 



162 



d 



163 



9 



170 



d 



179 



9 



185 



d 



186 



2 



194 



d 



203 



d 



206 



9 



207 



j> 



o 



211 



9 



212 



9 



216 



d 



221 



9 



224 



9 



232 



9 



242 



9 



259 



d 



265 



d 



1887. 

 May 27 



May 27 



May 27 

 June 9 



June 9 



June 11 

 June 24 



June 27 



June 30 



July 



July 



July 



July 



July 



July 



July 



July 



July 18 



July 18 



July 18 



July 18 



July 22 



July 23 



July 25 



July 26 



July 26 

 July 28 



July 28 



July 28 



July 30 



Aug. 2 

 Aug. 8 



Aug. 10 

 Aug. 12 



Aug. 12 



Aug. 13 



Aug. 15 

 Aug. 16 



Aug. 23 



Aug. 24 

 Aug. 29 



Sept. 6 



Flandreau, S. Dak 

 do 



do 



Ortonville, Minn. 



Browns Valley, Minn 



do 



do 



do 



Travare, S. Dak 



do 



do 



do 



do 



Browns Yalley , Minn 



Travare, S. Dak 



Grand Forks, H". Dak 

 do 



do 



do 



Pembina, N. Dak 



do 



do 



do 



Ido 

 .do 



do 



do 



do 



do 



Devils Lake, N. Dak 



do 



....do 



Bottineau, Dak.. 



.do 

 .do 



Fort Buford, N. Dak. 



50 

 4 

 100 

 60 

 25 

 50 



90 



ioo 



100 



80 



100 

 100 



2 

 75 



95 



50 



100 

 50 



90 



100 

 50 



80 



50 



70 

 50 

 50 

 75 

 70 

 100 

 100 

 50 



10 



20 



Beetles and other insects; seed 

 pulp, and hulls. 



About 18 coleopterous larva;; 

 grain ; herbage. 



Some small cocoons; seed shells. 



Beetles; grasshoppers; caterpil- 

 lars ; vegetable matter. 



Coleopterous and other larvae; 

 grain ; vegetable matter. 



Particles of insects ; dirt. 



Grasshoppers ; trace of beetles; 

 some remains of grain. 



A few bits of ants and other in- 

 sects ; herbage, and grain shells. 



Grasshoppers ; beetles ; larvae ; in- 

 sect eggs ; seeds ; herbage. 



Grasshoppers ; beetles ; ground- up 

 seeds. 



Pieces of 3 larvae of insects; 



grasshoppers, and grain. 

 Grasshopper; vegetable fiber, 



and seed pulp. 

 Beetles ; grasshoppers ; grain ; 



herbage. 

 Beetles ; grasshoppers ; shells and 



pulp of seeds. 

 Grasshoppers ; caterpillars ; trace 



of beetle; bark or roots. 

 Grasshoppers; beetles; seeds of 



Polygonum. 

 Grasshoppers; crickets; other 



insects; grain; roots. 

 A little finely chewed wheat or 



oats. 



A few bits of oat hulls and skin 



of grains. 

 Bits of small insects and seeds. 

 1 grasshopper; oats. 

 Insects, mostly grasshoppers. 

 Grasshoppers; wheat. 

 Insects; wheat. 



Grasshoppers ; finely chewed 

 seeds. 



Grasshoppers ; a little grain. 



Hair of hpermophilus tridecem- 

 lineatus and some indetermin- 

 ate matter. 



Insects; ants; small beetles; 

 pupae of ants(?). 



Insects only; mostly grasshop- 

 pers. 



Mostly grasshoppers ; some vege- 

 table matter. 



Insects, mostly grasshoppers. 



Crickets; small beetles; grass- 

 hoppers. 



Insects ; wheat ; some small seeds. 

 Mostly grasshoppers ; grain ; her- 

 bage. 



Insects ; grasshoppers ; ants ; 

 herbage. 



Grasshoppers; hair; grain; herb- 

 age. 



Insects, mostly grasshoppers. 

 Grasshoppers; other insects, 



grain; herbage; Solanum seeds 



and berries. 

 Insects ; grasshoppers ; ants ; 



small beetles ; larvae ; 1 feather ; 



hairs ; vegetable matter. 

 Grasshoppers. 



A few insects; hairs; indeter- 

 minate vegetable matter. 



Mostly grasshoppers; seeds of 

 Uelianthus and Ghenop odium. 



