. The water birds of North America [microform]. Birds; Water-birds; Oiseaux; Oiseaux aquatiques. 456 THE DIVING Biuns â'DDES. the grayish white coloration of the occiput and m\]w nf this siK'i'ics. Tlie com- parative iiiuasiirenieuts of ardicus and jnicijicus may be best shown by the following tigures : â AVint;. Ciiliiii'ii. Depth r lull at biuiu. TantiiH. LungtHt tiH'. Maxiiniiin of 17. jmcijiciis. .(i5 Miiiiinuiii of r. , .75 AviTiigt! of i'. jKicijifim, \\.:a .62 Average of (J. ardicus. \l:,-> .


. The water birds of North America [microform]. Birds; Water-birds; Oiseaux; Oiseaux aquatiques. 456 THE DIVING Biuns â'DDES. the grayish white coloration of the occiput and m\]w nf this siK'i'ics. Tlie com- parative iiiuasiirenieuts of ardicus and jnicijicus may be best shown by the following tigures : â AVint;. Ciiliiii'ii. Depth r lull at biuiu. TantiiH. LungtHt tiH'. Maxiiniiin of 17. jmcijiciis. .(i5 Miiiiinuiii of r. , .75 AviTiigt! of i'. jKicijifim, \\.:a .62 Average of (J. ardicus. \l:,-> .78 i )'iiiiiiij. â â ^^^g^^ ^Fr. Konnicott mot with the I'acitit! form of the lihick-tliroated Diver breeding on the edges of lakes, and mentions tiiiding a m-st in water about eighteen inehes deep, in grass at the edge of a long, narrow lake. It consisted of a mere pile of hay, like the nest of a (Irelie. with the top very little above the surface of the water. Another was in tlie grass at the edge of a lake, built like a trrebe's nest, but larger. Mr. Hannister si)eaks of tliis bird as being common at the Island of St. ^lichael's. Mr. Dall states that the skins are much sought for by the natives, and are obtaintnl while the birds are breeding in tiie shallow lagoons, wliere they cannot dive, and wliere they art; netted in great numbers; the eggs were obtained at Fort Yukon. Mr. lloss mentions finding a few birds of this species on the Mackenzie Uiver. Dr. Cooper speaks of tliis form as quite common in the winter as far scmth as San I)it!go. From the fact of his having killed a female in May, he thinks that it may l)reed in the mountain lakes, though not y<'t observed there, in summer. In its haliits it (dosely resend)les the ('. iiinurr; but lie has never known it to scream or to utter any sound. This silence may be attributable to tlie season. Mr. JIacFarlaue found it breeding in considcral)le numbers in the vicinity of Fort Anderson. The nests were usually


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Keywords: ., bookcentury1800, bookdecade1880, booksubjectbirds, bookyear1884