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 9 6 THE CONDOR I Vol. III A New Species of eospiza Collected hy the I!opkins-Stanford [xpedition to the alapaoos Islands. BY ROBERT E. SNODGRA. SS AND ED,%I[7ND ttELLER. Geospiza heliobates, new species. Type.--Adult male, No. 4186, Leland Stanford Junior University Museum; Mangrove swamp at Tagus Cove, Albemarle Island, Galapagos Archipelago, June 24, 1899. /?ane --Mangrove swamps of Albemarle and Narborough Islands, Galapagos Archipelago. $ecific characters.--Very similar to Geospiza pallida, resembling it in coloration, but having a smaller bill--the culmen being I6 min. or less in length while iu G. paNida it is 17 min. or more in length. Description of the type.--Above (lark brown with an olive tinge on the rump, all of the feathers of the dorsum with narrow pale olive-grayish edgiugs. Wing and tail feathers lighter, more smoky-brown. Lores, sides of head and underparts dirty buffy-gray, brownish-buff on the sides and flanks. Lores spotted with brown. Feathers of the breast and sides with dark brown central areas forming spots of the same color. Tips of the greater and the middle wing- coverts rather indistinctly brownish-rufous, forming two inconspicuous cross bands. Under wing-coverts grayish; under tail coverts brownish-buff with pale grayish edgings. Under sur- face of wing and tail feathers grayish browB. Bill black. Feet (lark brown. l,ength 123 min., wiug 7, tail 48.5, culmen 16, gonys 8, width of bill at base 6.5, depth of bill at base 9, tarsus 2t.5. 4dullfemalc.--Feulale specimens having the plumage very much worn are ahuost identical in coloration with the males, but generally have fewer and smaller spots below. Above the plumage is blackish on the head, ahnost.pure olive-brown on the back. with the central areas of the feathers darker. WiBg aBd tail feathers (lark brown with olive-buffy edgings. This species inhabits exclusively the mangrove swamps of Albemarle and Narborough Islands of the Galapagos Archipelago, being found in the swamps all along the east shore of Narborough, and in the swamps on Albemarle at Tagus Cove, Elizabeth Bay and Villa M11. " o We have fourteen adult males, twelve adult females, two immature males and six immature females taken in January, February, March, April and June, 1899. 'EASUREM E NT$ OF Geospiza heliobates. 4186 Albemarle Id.  123 72. 48.5 I6. 8. 6.5 9. lO.3 21.5 416i ....  126 70. 48:5 16. 8. 7. 8. 1I. 21. 5 426 .... $ 133 7 .5 45. 15.5 8.5 6.5 8. lO.5 3.5 4266 .... c 127 69. 39. 16. 8. 6.5 8. lO. 5 21. 5 4t77 ....  I12 70. 42. 14. 5 8- 6.7 7.7 Io. 1. 4213 ....  142 70. 42.5 16.5 8.7 6.7 8. 1I. 21.7 4213 ....  136 68. 41.5 15. 8. 5 6. 7.5 lO. 2I. 424 ....  I2o 70. 45. 16. 8.5 7. 8.7 lO. 22. An 0utin0 0wls' [oos. PROF. P. M. SILLOWAV, LEWISTON, MONT. ITH the genuine egg-crank, the first oclogical excursion of the season is a red-letter day, pro- vided that it results in tangible additions to one's cabinet. As I glance at the seven eggs of the Western Horned Owl (tubo virinianus subarlicus) reposing in their downy trays as the first fruits of another oological season, I note the i6th of March, 9o, as one that will be readily recalled among an egg-crank's reminiscences. True, sets of the West- ern Horned Owl are neither especially rare nor difficult to secure, but when