Smithsonian miscellaneous collections . latesfail to cover them from view. The male shows a very large pairedplate-like hypopygial process similar to that of Rutilia. Subfamily Rutilia Robineau-Desvoidy Rutilia spp.—The species are all Australian. An examination ofspecimens of both sexes of several species in U. S. N. M. reveals I38 SMITHSONIAN MISCELLANEOUS COLLECTIONS VOL. 51 the following characters: Neither sex shows any ventral plates, butthe males show a paired plate-like process widened on apex, occupy-ing the position of a ventral plate to the hypopygial segment, and th
Smithsonian miscellaneous collections . latesfail to cover them from view. The male shows a very large pairedplate-like hypopygial process similar to that of Rutilia. Subfamily Rutilia Robineau-Desvoidy Rutilia spp.—The species are all Australian. An examination ofspecimens of both sexes of several species in U. S. N. M. reveals I38 SMITHSONIAN MISCELLANEOUS COLLECTIONS VOL. 51 the following characters: Neither sex shows any ventral plates, butthe males show a paired plate-like process widened on apex, occupy-ing the position of a ventral plate to the hypopygial segment, and thelong fifth or anal segment is shortened to a mere margin on venterby reason of the hypopygial cavity being pushed strongly are five abdominal segments, the first being rudimentary andgreatly shortened. SMITHSONIAN MISCELLANEOUS COLLECTIONS PART OF VOLUME LI SMITHSONIAN EXPLORATION IN ALASKA IN 1907 IN SEARCH OF PLEISTOCENE FOSSIL VERTEBRATES WITH THIRTEEN PLATESBY CHARLES W. GILMORE Of the United States National Museum. No. 1807 CITY OF WASHINGTON PUBLISHED BY THE SMITHSONIAN INSTITUTION1908 WASHINGTON, D. OF JUDD & DETWEILER, INC. 1908 SMITHSONIAN EXPLORATION IN ALASKA IN 1907 INSEARQH OF PLEISTOCENE FOSSIL VERTE-BRATES. SECOND EXPEDITION By CHARLES W. GILMORE TABLE OF CONTENTS Page I. Introduction 3 II. Itinerary 5 III. Occurrence of fossils 14 1. Bonanza Creek localities 15 2. Little Minook Creek, Junior 17 3. Little Minook Creek 17 4. Palisades 17 5. Nowitna River 22 6. Yukakakat River 23 7. Klalishkakat River 23 8. Discussion 24 IV. Pleistocene fauna of Alaska 26 1. Elephas primigenius 27 2. Elephas columbi (?) 3° 3. Mammut americanum 3° 4. Equus 31 5. Bison crassicomis 31 6. Bison alleni 33 7. Bison occidcntalis 33 8. Bison priscus (?) 34 9. Symbos tyrrelli 34 10. Symbos cavifrons 35 11. Ovibos maxim us 35 12. Ovibos moschatus (?) 35 13. Ovis 3b 14. Alee 36 15. Rangifer 36 16. Ursus 37 17. Castor 37 18. Summary 37 I. Introduction Since the disco
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