. The Oölogist . uld refer our friends tothe one appearing in the present Ornithological columns are not confinedexclusively to North American avi-fauna,though preference is always given to nativespecies : many foreign varieties present suchan interesting field for study, and are sopeculiar in themselves, that they claim rec-ognition even in a magazine of this have therefore, made arrangements fora series of rich engravings of some of themost important exotic species, which weshall present from time to time. Naturalists and collectors in want of THE OOLOGIST. specimens of bi


. The Oölogist . uld refer our friends tothe one appearing in the present Ornithological columns are not confinedexclusively to North American avi-fauna,though preference is always given to nativespecies : many foreign varieties present suchan interesting field for study, and are sopeculiar in themselves, that they claim rec-ognition even in a magazine of this have therefore, made arrangements fora series of rich engravings of some of themost important exotic species, which weshall present from time to time. Naturalists and collectors in want of THE OOLOGIST. specimens of birds eggs or skins, oologicalinstruments, and periodicals or books onornithology, Avill find on our last page the ing the amount of matter given, with themere nominal subscription price, we hopethat a sufficiently favorable impression may desired information, and those wishing to j be deduced to urge the subscription of ev-sell the same, can address a very large class f eryone interested, and we would request that. Upper fig., Audubon\s Warbler; Lower fig., Black-throated Blue Warbler. (See April No.) of live collectors through our advertisingcolumns. Reviewing the above considerations whysuch a journal as this should be read byevery student of ornithology, and compar- our subscribers induce their friends to aidus in promoting our circulation. To fiveor more clubbing together, a reasonable dis-count will be given. We have had a planin view for some time, of enlarging to from 6 THE OOLOGIST. twelve to sixteen paojes, and in order thatwe may realize this, it is essential that onrsubscription list be increased. Our late appearance is due to many agen-cies, foremost among which was the delaycaused in publishing the collectors Direct-ory. We are now issuing two numbers amonth, which will enable us to soon beagain on time ; jneanwhile, it shall be ouraimto improve in all departments as rap-idly as possible. How to Rightly Estimate the E-conomical Value of Birds. T. M. BREWER. HAN thi


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Keywords: ., bookcentury1800, bookdecade1870, booksubjectbirds, bookyear1875