502 U. S P. R R. EXP. AND SURVEYS—ZOOLOGY—GENERAL REPORT. 
there seems little doubt that the former name cannot be retained for the present group. 
Passerina of Vieillot, if otherwise applicable, is preoccupied in Botany. 
Comparative measurements of species. 
3 g z é | 3 
* 3 : n | fe ici re 3 | 4 
Catal. Species. Locality. S |S 2s] | @ @ Oo is co | Specimen 
% |25| w Sl es = = Se i) obo. 
No, K & |> -| & imi Z eS ‘aoa || =) 4) 1S | imeasoreds 
ty Oo & oI cd = ashy bs = 2 
a | a la ES ll eh ee a a | 4 
= | 
4076 | Cyanospiza parellina.,.) Sierra Madre, N. Leon.) 3 | 5.00 |eseees 2.76 | 2.43 | 0.73 | 0.66 0.20 | 0.42 | 0.44 SKin .cceee 
dO::|esesesdOleseers dO sec ca cel tccsesdOsac sent nseecs|aerees SHLD | SLD! | 2B Goadco |oscc0| Soce8| soos lobo! [eanou:Iooddiad| jsgc00c | Fresh ..... 
ATS |e ce'siee do.... versicolor fot BYU) oG0nd0 2.64 | 2.38 | 0.60 | 0.67 0.20 | 0.40 | 0.43 | Skin...... 
MOw PseseedOjrener(O0vieessct|c-+07d0ssisonsieveciceee=s|acees | 5.50 | 8.95 | 2.75 |...... |eseaaHl loadoce! Ingaonal onde |odan |[esocoo||pecaac | Fresh ..... 
2645 |....4- do....cyanea..... S | 4.80 |......] 2.77 | 2.36 | 0.69 | 0.69 | 0.20 | 0.46 | 0.21 | 0.41 | 0.44 \WSkingerese 
(i{oH9| ooocooGonco GO. se eeer [esses AOreese seen secre [ensens 5.66 | 9.08 | 2.90 |...... Isooeea eooosn| ooo | sceidod||boAana||poaaed oo | Presh sss. 
416 |.cocee dO sseeee doves pall 2) | 4.74 | esses 2.52 | 2.12 | 0.69 | 0.69 | 0.17 | 0.46 | 0.18 | 0.40 | 0.45 | Skin..... . 
ceaeee do....ciris........| San Antonio, Texas....] G | 5.40 |,.....| 2.79 | 2.387 | 0.73 | 0.70 | 0.20 | 0.46 | 0.20 | 0.40 | 0.44) Skin ...... 
| | : 
3085 |oee00edO weeeee dO. vegee-| GeOrgia.. cceesesees Gua DesOill eons 2.70 | 2.41 | 0.73 | 0.70 | 0.20 | 0.50 | 0.20 | 0.40 | 0.40 Skin ...e0s 
| | 
don seer: dol 75s dosereeca|-s sis dors ieeaesxneten val coces 550 | 8.60 | 3.80 |....-.[eeeee- [Feb eod breeds Secs | PSrasdel Ficeo> eee | Fresh ..... 
1898 |...... do.,...amoena,...} Fort Union, Neb fs 3 5600) .c see 2.90 | 2.41 | 0.69 | 0.69 | 0.19 | 0.46 | 0.18 | 0.43 | 0.46 | Skin..... . 
6267 | oc00e.dO coves dO. sccee. Posa CreeK.ecce see. eves Q | 5.10 jeeeeee 2.69 | 2.32 | 0.68 | 0.68 | 0.19 | 0.44 | 0.20 | 0.43 | 0.48 | Skin yo... 
| | 
CYANOSPIZA PARELLINA, Baird. 
Cyanolovia parellina, Bonar. Conspectus, 1850, 502. 
2 Pitylus lazulus, Lesson, Rev. Zool. 1842, 174. Speaks of chestnut. 
Sp. Cu.—General color dark blue, almost ultramarine, brightest on the rump, lesser wing coverts and top of head, shading 
on the hood to whitish blue on the forehead. Sides of head, including lores, and chin, with tail black. A few blue feathers 
on the lower jaw below the eye. Bill black. Length 5 inches; wing, 2.50; tail, 2.50; tarsus, .75; bill about .45. 
Hab.—Northeastern Mexico to the Rio Grande. 
The bill of this species though full and turgid, is not as deep as that of Guiraca coerulea, 
the lower not larger than the upper. The wing is much rounded; the fourth quill longest, the 
third and fifth little shorter ;-the second and sixth about equal; the first not longer than the 
secondaries. In Guiraca coerulea the second is longest, the first rather shorter than the fourth. 
The tail is nearly even; very slightly emarginate and rounded. 
A specimen received from Mr. Gould has the bill longer and not so black as that of Lieut. 
Couch. 
This species connects Cyanospiza with Guiraca, and may possibly be entitled to separate 
generic rank. 
List of specimens. 
Catal. Locality. When collected., Whence obtained.) Orig. | Length. | Stretch | Wing. Remarks. 
No. No. lof wings.) | 
4076 | Sierra Madre, New | April —, 1853 Lt. Couch ....-- 154 | 5.00 8.50 2.75 | Eyes br’wn, bill bl’k, 
Leon, Mexico. feet slate color. 
8059) ||| Tamaulipas; Mex ----|---.---.-.----- Up COG eee sol baeoad|ascoserd|psoconodicosdisone aot, ale aa 
