BIRDS—HIRUNDINIDAE—PROGNE PURPUREA. 
O15 
Sp. Cu.--Largest of N. American swallows. Closed wings rather longer than the deeply forked tail. Tarsi and toes naked. 
Color, in the old male, everywhere glossy steel blue, with purple and violet reflections. Female and immature male less 
brilliant above, pale brownish beneath, blotched with darker or with bluish. Length, 7.30; wing, 5.85; tail, 3.40. 
Hab.—North America generally. 
Specimens of this species from Petaluma, California, are not appreciably different. The gloss 
of the upper as well as the lower parts is rather more greenish, and less purple. The bills are 
the same, as well as the size every way. Specimens from Coahuila, Mexico, are more lke 
Pennsylvania ones. 
Petaluma specimen. 
gloss. 
A female from Petaluma has a very distinct grayish white 
entire forehead is of a similar color. 
IT have never seen any specimens from the west coast agreeing with Mr. Cassin’s description 
An adult Progne, from Chili, 
In those from the Upper Missouri the 
In one from Sacramento city again the 
of P. chalybea, in the larger and longer bill and smaller size. 
labelled P. chalybea, by Mr. Verreaux, is exactly like the North American P. purpurea in size, 
lustre, &c; the only difference being, apparently, a narrower 
Upper Missouri, is, however, like it in this respect. 
Sex 
. |&age. 
10 0 QA 
OSC A! A AJOS IO OS1O 104 D3 CVOSAO 
List of specimens. 
bill. 
eloss is more like that of the 
colors have the usual purplish 
collar across the nape, and the 
Number 4778, from the 
Locality. 
Carlisle, Penn........ 
ppdnont! Odcedodoncacacd| 
cevceMOceeves 
teisses UO shies sieisisice | 
ssvcesdOvescccecere 
Cedar Island, Neb.. B.| 
seecesDO sevens .ee 
ceeee dO. 
eevee edOe 
seeeedOseeveece 
Vermillion River, Neb. 
Nebraska.......+. e006 
Cedar Island, Neb... 
Towa point........+- 
Fort Union, Neb... .. 
Blackfoot country .... 
Fort Riley, K. T...... 
Indianola, Texas..... 
Coahuila, Mex....... 
seccesdOceeeee ceveeveles 
Petaluma, Cal........ 
seeverdOvccssecces eee 
Sacramento.......... 
JeoerGOr. evens) 
..| April 23... 
May, 1854.... 
of acesdOvevcceceles 
++. do., 
tees 
May 19, 1854 | 
| 
May 8, 1854 
May 15, 1854 
0000 GO. cvcccee! 
April 23...... . 
July, 1856... 
July, 1855.... 
Tune 20, 1856 | 
Mar. 12, 1°55 
May, 1853.... 
0sdOs, ceveee 
April, 1856... 
00ers cceccel sce 
Col. A. Vaughan... 
ceeccedOcovecevece 
Lt. G@. K. Warren.}... 
eecees dO cece cccces 
seeee. dOeee 
coseesd0cccene eee 
evcccedQcceccccves 
Sopdo0 dO...eeee 
o0ecdO.ccevcer-ele 
wccceeAQeccce: everleceves 
Lt. F. . Bryan.. 
Capt. J. Pope..... 
Lt. Couch..... ses 
cecceedOcecsccsece 
E. Samuels 
0 sd secieiccce os 
Lt. Williamson... 
232 
607 
576 
.| Dr. Hayden.. 
When col- |Whence obtained. | Orig. |Colleeted by—| Length. 
lected. No. 
May 22, 1844/S. F. Baird.......|.cecceleccceccececses|seecere 
June 5, 1844] .....d0..... Sadan ||lacccoodcocgdns 8.17 
«| Tune 15, 1844 |...00.dOescccesees [oereeele Bec abaspadano|| | tens) 
| July 16, 1844}. se seeee fence Ss caossd |) —dksce) 
| July, 1843..8]......do ecaoaal acoddabaaciaoad |!) Waies) 
Sqoce 0 seeses||= 00 
Dr. Hayden 8 
see sdOeeccc.|-ceceeee 
W.S. Wood.| 8.25 
Capt. Pope...| 6. 
Reecesicecieieee 7.75 
eceeesieeciiescs| | Sx20 
Dr. Heermann}........ 
Stretch 
of wings. 
15.25 | 
Wing. Remarks. 
5159) | eos oe ee cece scceccce cece 0 estes 
5.92 |cc0e see ececceeccccce se coee 
5.87 
75 
95 | 
Eyes dark....... eoee 
| Eyes dark.....cescoes ee scccee 
001016 AOsvieniesisccelsassiceaaces O 
| Eyes dark ; gums rose-colored ; 
| feet black; bill black. 
sleeee eee! Eyes dark brown; bill black ; 
| feet very dark chestnut. 
| Eyes dark brown; bill black; 
feet very dark chestnut. 
