CONTENTS OF VOLUME I. 



PAOE 



L Revision op the Polypi of the Eastern Coast of the United States. (Plate 1.) By 



A. E. Verrill 1 



II. On Morphology and Teleology, especially in the Limbs of Mammalia. By Burt G. 



Wilder, S. B 46 



III. Enumeration of Fossils collected in the Niagara Limestone at Chicago, Illinois ; 



with Descriptions of several New Species. (Plates 2, 3.) By Prof. Alexander Winchell 

 and Prof. Oliver Marcy 81 



IV. The Anatomy and Physiology of the Vorticellidan Parasite, Trichodina pediculus 



Ehr., of Hydra. (Plate 4.) By Prof. H. James Clark 114 



V. The Osteology of the Colymbus torquatus ; with Notes on its Myology. (Plate 5.) 



By Elliott Coues, A. M., M. D 131 



VI. An Inquiry into the Zoological Relations of the first discovered Traces of Fossil 



Neuropterous Insects in North America ; with Remarks on the Difference of 



Structure in the Wings of living Neuroptera. (Plate 6.) By Samuel H. Scudder.... 173 



VII. On the Parallelism between the different Stages of Life in the Individual and 



those in the entire Group of the Molluscous Order Tetrabranchiata. By Alpheus 



Hyatt 193 



VIII. Observations on the Glacial Phenomena of Labrador and Maine, with a View of 

 the recent Invertebrate Fauna of Labrador. (Plates 7, 8.) By A. S. Packard, Jr., 



MB 210 



IX. On the Spongle Cillvm;, as Infusoria Flagellata ; or, Observations on the Structure, 

 Animality and Relationship of Leucosolenia botryoides Bowerbank. (Plates 9, 10.) 

 By H. James Clark, A. B., B. S., Professor of Natural History in the Agricultural College of Penn- 

 sylvania 305 



X. Notes on the Volcanic Phenomena of the Hawaiian Islands, with a Description of the 



Modern Eruptions. (Plates 11-15.) By William T. Brigham, A. M. 341 



XI. On the Weapons and Military Character of the Race of the Mounds. (Plate 16.) 



By Colonel Charles Whittlesey, Cleveland, Ohio 473 



XH. On the Distortion of Pebbles in Conglomerates, with Illustrations from Rangely 



Lake, in Maine. (Plates 17-19.) By George L. Vose 482 



XIII. Notes on Birds observed in Western Iowa, in the months of July, August, and Sep- 



tember ; also on Birds observed in Northern Illinois, in May and June, and at 

 Richmond, Wayne Co., Indiana, between June third and tenth. By J. A. Allen 488 



XIV. Notes on Hesperomannia, a new Genus of Hawaiian Composite. (Plate 20.) By William 



T. Brigham 527 



XV. Notes on Alsinidendron, Platydesma, and Brighamia, new Geneea of Hawaiian 



Plants ; with an Analysis of the Hawaiian Flora. (Plates 21-23.) By Horace Mann. 52:) 

 XVI. The Geographical Distribution of the Native Birds of the Department op Vera 

 Cruz, with a List of the Migratory Species. By F. Sumichrast. Communicated to 

 the Smithsonian Institution, and published by Permission of the Secretary. Trans- 

 lated from the French by T. M. Brewer, M. D 542 



XVn. The Eruption of the Hawaiian Volcanoes, 1868. By William T. Brigham, A. M. 564 



XVIII. The Physical Geology of Eastern Ohio. By Colonel Charles Whittlesey. (Plate 24.) 588 



