8 Mr. P. L. Sclater on the Genus Spermophila. 



near Lima by Prof. Nation, of which I have spoken P. Z. S. 

 1869, p. 147. There is a single specimen (female or young) 

 in the Smithsonian collection from the same locality. On ex- 

 amining the types of S. alaudina in the Jardin des Plantes, I 

 found that they were undistinguishable from the females and 

 young of S. telasco, so that I regard these two names as 

 synonyms. 



The sixteen species of the black-and-white division of the 

 Spermophila known to me may be arranged thus : — 



Clavis Spermophilinarum leucomelanarum. 

 a. guttui'e albo : fascia pectorali nigra : 



a. interscapulio cinereo 9. albiyularis. 



h'. interscapulio nigrj. 



a", macula anteociilari alba 10. coUaria. 



b". macula anteoculari nulla. 



a'", tectricibus alarum albo marginatis. 



j torque coUari perfecto 11. moreleti. 



\ torque collari imperfecto 12. lineata. 



h'". tectricibus alarum immarginatis . . 13. opkthalmica. 

 h. gutture nigro : fascia pectorali nigra 14. c<^rulescms. 



c. gutture nigi'o ; fascia pectorali nulla. 



a', m-opygio albo. 



i pectore albo 15. lineola. 



I pectore nigi'o, albo ocellato 16. ocellata. 



b'. urcpygio nigi-o. 



I macula cervicali utrinque alba 17. aurita. 



I macula cervicali nulla 18. luctuosa. 



c'. uropygio olivaceo 19. gutturalis. 



d. coi-pore toto subtus nigro 20. corvina. 



e. corpore toto subtus albo. 



i coi-pore supra nigro 21, bicolor. 



I corpore supra cinereo 22. hypoletica. 



f. coi"pore subtus cinereo, ventre medio albo. 



j rostro flavo 23. yrisea. 



I rostro nigi'o 24. plumbea. 



9. Spermophila albigularis. 



Loxia albigularis, Spix, Av. Bras. i. p. 46, tab. 60. figs. 1, 2. 



Spermophila albigularis, Gray, Gen. p. 386 ; Bp. Consp. i. 

 p. 497. 



Sporophila albigularis. Cab. Mus. Hcin. i. p. 149 ; Burm. 

 Syst. Ueb. iii. p. 243. 



