. Smithsonian miscellaneous collections. est it us (Muls. e Rey) Fuchs—e dei suoi simbionti. Laboratorio di Zoologia generale ed agraria—Portici. 88 SMITHSONIAN MISCELLANEOUS COLLECTIONS VOL. 82 (58) 1927. Snodgrass, R. E., Morphology and mechanism of the insect thorax. Smithsonian Misc. Coll., vol. 80, No. i. (59) 1928. Black MAN, M. W., The genus Pityophthorus Eichh. in North America. N. Y. State Coll. For., Syracuse Univ., Tech. 25. (60) 1928. Iljinsky, a., Gesetzmassikgeiten in der Vermehrung des kleinen Waldgjirtners (Blastophagus minor Hartig.) und theoretischeBegriindungen der
. Smithsonian miscellaneous collections. est it us (Muls. e Rey) Fuchs—e dei suoi simbionti. Laboratorio di Zoologia generale ed agraria—Portici. 88 SMITHSONIAN MISCELLANEOUS COLLECTIONS VOL. 82 (58) 1927. Snodgrass, R. E., Morphology and mechanism of the insect thorax. Smithsonian Misc. Coll., vol. 80, No. i. (59) 1928. Black MAN, M. W., The genus Pityophthorus Eichh. in North America. N. Y. State Coll. For., Syracuse Univ., Tech. 25. (60) 1928. Iljinsky, a., Gesetzmassikgeiten in der Vermehrung des kleinen Waldgjirtners (Blastophagus minor Hartig.) und theoretischeBegriindungen der Massnahmen zu seiner Bekampfung im Walde.(Vorlaufige Mitteilungen). Mitteilungen aus dem forstlichenVersuchswesen in der Ukraine, vol. 9, p. 54-110. (61) 1928. Snodgrass, R. E., Morphology and evolution of the insect head and its appendages. Smithsonian Misc. Coll., vol. 81, No. 3. SMITHSONIAN MISCELLANEOUS COLLECTIONS VOLUME 82. NUMBER 11 RFXENTLY DATED PUEBLO RUINSIN ARIZONA (With 27 Plates) BY EMIL W. HAURY and LYNDON L. HARGRAVE. (Publication 3069) CITY OF WASHINGTON PUBLISHED BY THE SMITHSONIAN INSTITUTION AUGUST 18, 1931 ZV>t. BotD (gattimore QJrcea BAITTMonC, MD., D. S. A. RECENTLY DATED PUEBLO RUINS IN ARIZONA By EMIL W. HAURY and LYNDON L. HARGRAVE (With 27 Plates) FOREWORD In 1921 the National Geographic Society began excavation andstudy of Pueblo Bonito, a prehistoric ruin in Chaco Canyon, north-western New Mexico. It was the privilege of the undersigned todirect these archeological investigations from their inception to theconclusion of actual field-work in the autumn of 1927. Pueblo Bonito is unquestionably the finest extant example of thatphase of southwestern history known to archeologists as Pueblo III—-the period during which small, isolated villages were drawn togetherinto large, complex communities. After a time these communitiesbegan to disintegrate; to separate into lesser groups that spread farand wide in search of more fertile fields andfreedom f
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