BIRDS OF NORTH AND MIDDLE AMERICA. 415 



middle toe, 18.29-20.32 (19..56); hind claw, 12.19-11.73 (13.21); length 

 of white patch on outer tail-feather, 29.21-38.10 (33.78).' 



Adult female. — Similar to that of P, m. arcticus, but grayer, or less 

 brown, above, the back without distinct dusky streaks or spots; bill 

 and feet larger; length (four skins), 187.96-197.87 (192.79); wing, 

 81.28-87.(33 (84.58); tail, 86.36-99.06 (93.47); exposed culmen, 13.21- 

 14.99 (13.97); tarsus, 27.18-28.45 (27.94); middle toe, 18.03-20.83 

 (19.30); hind claw, 11.43-13.97 (12.70); length of white patch on lat- 

 eral tail-feather, 25.40-35.56 (30.48).' 



Mountain districts of southern Lower California. 



Pipilo maculatus megalonyx (not Piinlo megalonyx Baird) Belding, Proc. U. S. 

 Nat. Mus., V, 1883, 549 (ISIiraflores, Lower California); vi, 1883, 348 (Vic- 

 toria Mts. , Lower California ) . 



Pipilo megalonyx Salvin and Godman, Biol. Centr.-Am., Aves, i. 1S86, 409, part 

 (Lower California). 



Pipilo maculatus magnirostris Brewhter, Auk, viii, Apr. (pul). Feb. 17), 1891,146 

 (Sierra de la Lagruna, Lower California; roll. W. Brewster). 



PIPILO MACULATUS MEGALONYX (Baird). 

 SPURRED TOWHEE. 



Similar to P. m. a/'cficu)< but tail, tarsi, and hind claw longer, bill 

 larger, and coloration darker; white terminal patches of lateral tail- 

 feathers smaller; adult male witli general color above wholly l)lack 

 (the rump more or less g'rayish), white wing-bands narrower, white 

 scapular markings usually edged more or less (at least terminally) 

 with black,'' and color of sides and flanks deeper cinnamon-rufous; 

 adult female darker than that of I*, m. <//'cticu-'^, the throat and chest 

 dark sepia brown to clove brown (instead of hair brown or broccoli 

 brown), upper parts decidedly darker brown, with dusky streaks on 

 back less conspicuous, and Avhite tail-patches much smaller; young 

 similar to that of P. m. arcticus^ but darker. 



Adult 7//r^/e— Length (skins), 180.85-213.11 (199.14); wing, 83.57- 

 92.71 (86.11); tail, 90.17-111. .51 (100.33); exposed culmen, 12.19-14.73 

 (13.46); depth of bill at base, 9.65-11.18 (10.41); tarsus, 26.42-29.21 

 (27.69); middle toe, 17. 78-21.. 59 (19.30); hind claw, 10.16-15.24(12.19); 

 white on lateral tail-feather, 22.10-39.62 (28.96).* 



Adult female.— Ij^ngih. (skins), 180.85-205.49 (192.53); wing, 79.50- 

 88.39 (83.82); tail, 86.87-105.66 (96.01); exposed culmen, 12.45-14.99 

 (13.72); depth of bill at base, 9.40-10.92 (10.16); tarsus, 25.91-28.19 



^ Nineteen specimens. 

 ^ Fourteen specimens. 



^These black edgings usually worn off in suininer 2)hnnage, but almost always pres- 

 ent in Avinter. 



* Fifty specimens. 



