. The birds of eastern North America known to occur east of the nineteenth meridian .. . * Group 3. Wing, to inches long. Outer tail featlmrs, pure web of outer tail feather, gray. Sterna doui/alli. Roseate Tern. See \o. -17. Sterna for St eri. Forsters No. 4-1. * Group 4. Wing, to 11 inches long. Outer web of outer tail feather, darker tlian inner web; hack, jiearl gray; iireast,wasiied with pearl gray; bill in adults, red, lipped witli black; lai^ii-;, usually o\(r .70. Siernn hirnndo. Common Tern. Wilsons Tern. See No. 4.). inner web of outer tail feather
. The birds of eastern North America known to occur east of the nineteenth meridian .. . * Group 3. Wing, to inches long. Outer tail featlmrs, pure web of outer tail feather, gray. Sterna doui/alli. Roseate Tern. See \o. -17. Sterna for St eri. Forsters No. 4-1. * Group 4. Wing, to 11 inches long. Outer web of outer tail feather, darker tlian inner web; hack, jiearl gray; iireast,wasiied with pearl gray; bill in adults, red, lipped witli black; lai^ii-;, usually o\(r .70. Siernn hirnndo. Common Tern. Wilsons Tern. See No. 4.). inner web of outer tail feather, darker than outer web; back, pearl gray; breast,wbii>-; hill in adiills, black, sli<;litly yellowish at tip. Strrna forstt-ri. Forsters Tern. See No. 44. Outer tail feather, entirely pure white; back, ixarlgray; breast, whiti-, ofim lingiilwith faint rosi- color; hill, in adults, bbuk with tiasal portiou, red. Sti-nm diimjnUi. Roseate No. 47. * For (ilrcctiotis for uicasurcment, nee pftge 9. 42 KEY TO THE BIHDS OF EASTEUN NORTH
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Keywords: ., bo, bookcentury1800, bookdecade1890, booksubjectbirdsnorthamerica
