50 PUBLICATIONS OF SPENCER F. BAIRD. 



1867. Baird, Spencek F. — Coutiaued. 



B. — List of described North Av^erican species not seen and identified. 

 2. SOEEX, Linn. 



1. Sorex palustris, Eicb P- 55 



2. Sorex fimbripes, Bach 55 



3. Sorex parvus, S2iy 56 



4. Sorex Harlani, Duvenio j* 56 



4. SOALOPS, CUY. 



5. Scalops latimanus, Bacli* 65 



9. CANIS, L. 



6. Canis occidentalis var. ater 113 



ia. Canis occidcntalis var. rufiis 113 \ 



13. PITTORIUS, L. 



7. Putoritis nigripcs, And. and Bach. 180 



17. MEPHITIS, LiCHT. 



9. Mephitis mesomelas, Licht 199 



The following Mexican species may yet be found in the United States : Me- 

 phitis leuconota, Licht.— Alvarado Eiver, Mexico. Mephitis macroura, Licht.— 

 Temperate, Mexico. Mephitis vittata, Licht. — Oaxaca, Mexico. 



19. PROCYON, Storr. 

 9. Proeyon psora, Gray 215 



22. SCIURUS, L. 



10. Seiurus coUiaei, Ricli ." 280 



11. Sciurus mustelinus, And. and Bach 280 



12. Sciurus nigrescens, Bennett 280 



13. Sciurus lanigeriis, And. and Bach 280 



14. Sciurus leporinus, And. and Bach 280 



15. Sciurus ferruginivcntris, Aud. and Bach 281 



For an enumeration of other supposed North American Squirrels, see pages 281-285. 



25. SPEEMOPHILUS, Cuv. 



16. Spermophilus macrourus, Bennet 327 



27. AECTOMYS, Schreb. 



17. Arctomys pruinosus, (jraelin 345 j 



18. Arctowys Lewisii, Aud. and Bach 347 



32. THOMOMYS, Max. \ 



19. Thomomys talpoidcs, Ciiebel 403 



33. DIPODOMYS, Geat. 



20. Dipodomys Wagneri, Leconte 415 



21. Dipodomys Heermanii, Leconte 415 



37. KEITHKODON, Waterh. 



22. Reithrodon carolinensis 452 



38. HESPEROMYS, Waterh. 



23. Hesperomys campestris, Leo 485 



41. ARVICOLA, Lac. i 



24. Arvicola albo-rufesccns, Emmons 549 



25. Arvicola hnrealis. Rich 549 



26. Arvicola Dekayi, Aud. and Bach 549 



27. Arvicola Drumviondii, Aud. and Bacli 550 



28. Arvicola hirsutu^, De Kay 550 



29. Arvicola nasuta, Aud. and Bach 550 



30. Arvicola oncida, De Kay 551 



31. Arvicola Eichardsnnii, DeKay 551 



32. Arvicola rubricatus, Rich 551 



33. Arvicola texiana, Aiul. aud Bach 552 



34. Arvicola xanthognathus, Leach ; 552 



Note.— Of the above Arvicolae, those most likely to prove additional species 

 are Nos. 25, 27, 31, 32, and 34. 



