— XXXII — 



Colorado. — Packard. On a new Cave Fauna in Utah. — Id. Description of new Phyllopod Crustacea 

 from the West. — Hayden. On some Àrtesian Borings along the line of the Union Pacific railroad 

 in Wyoming territory. — Sacken. Western Diptera, descriptions of new genera and species of 

 Diptera from the region west of the Mississippi, and especially from California. — Uhlcr. Eeport upon 

 the inseets collected hy P. E. Uhler during the explorations of 1875, including monographs of the 

 families Cydnidae and Saldae, and the Hemiptera collected hy Packard. — Tliorell. Descriptions of 

 the Araneae collected in Colorado in 1875 by Packard. — Barber. Comparative vocahulary of Utah 

 dialects. — Schumacher. Methods of making storie weapons. — Peale. Ou a peculiar type of eruptive 

 mountains in Colorado. — Cope. Eeport on the geol&gy of the region of the Judith Eiver, Montana, 

 and on vertebrate fossils obtained on or near the Missouri Eiver. — Whiie. Descriptions of Unio- 

 nidae and Physidae collected by Professor E. D. Cope from the Judith Eiver Group of Montana 

 territory during the summer of 1876. — RI. Descriptions of new species of Uniones and a new genus 

 of fresh-water gasteropoda from the tertiary sfrata of Wyoming and Utah. — Id. Catalogue of the 

 invertebrate fossils hitherto published from the fresh- and brackish-water deposits of the western por- 

 tion of North America. — Id. Comparison of the North American Mesozoic and Cenozoic Unionidae 

 and associated mollusks with living species. — Id. Eemarks on the paleontological characteristics of 

 the Cenozoic and Mesozoic Groups as developed in the Green Eiver Eegion. — Coues. Precursory 

 notes on American insectivorous mammals, with descriptions of new species. — Mecauley. Notes on the 

 ornithology of the region about the source of the Eed Eiver of Texas, from ohservations made du- 

 ring the exploration conducted by lieut. E. H. Euffner. — Aurjhey. Catalogue of the land and fresh- 

 water shells of Nebraska. — Wilson. Notes on the Geographical work of the United States Geologi- 

 cai and Geographical Survey of the Territories. 



tCatalogue of the publications of the U. S. Geological Survey. 2 d ed. Washington, 1877. 8.° 

 tCivilingenieur (Der). Jahrgang 1877 Heft 4-5. Leipzig, 1877. 4°. 



Nagd. Zur Literatur der Geodàsie. — Undeutsch. Untersuchung tìber die Stabilitat und Pes- 

 tigkeit von cylindrischen Bassinwanden. — Burmester. Ueber die Geradfiihrung durch das Kurbel- 

 getriebe. — Illcck. Ueber den Ausfluss der permanenten Gase mit Beziehung auf die Hypothese von 

 de Saint Venant und Wantz^l. — Weiss. Ueber Ventilation und tìber die Methodik derPrufung diesbe- 

 ziiglicher Apparate und Anlagen besonders in Bucksicht auf Eisenbahn-Lazarethwagen. — Kópcke. 

 Die Messung von Bewegungen an Bauwerken mittels der Libelle. — Schmidt. Constructionsregeln 

 fiir die Eyth'sche Expansionssteuerung. — Bcck. Ueber den Begriff « Maschine ». Bemerkungen zu F. 

 Eeuleaux's Kinematik. 



iColleccao de rnonumentos ineditos para a historia das conquistas dos Portnguezes em 

 Africa, Asia e America publicada de ordem da classe de sciencias moraes ec. 

 da Acad. r. das sciencias de Lisboa. Tom. I-V. Lisboa, 1858-68. 4°. 



f Compte-rendu de la 5 e session de l'Association francaise pour l'avancement des sciences. 

 Clermont-ferrand. Paris, 1877. 4.° 



tCompte rendu de la Société entomologique de Belgique. Serie II n. 39-43. Bruxel- 

 les, 1877. 8.° 



tCompte rendu de la Société nationale des sciences naturelles de Cherbourg. Séance 

 extraordinaire du 30 dèe. 1876. Cherbourg, 1877. 8.° 



tComptes rendus des séances de l'Académie des sciences. Tom. LXXXIV n. 24-26, 

 tom. LXXXV n. 1-23. Paris 1877. 4.° 

 N. 24. Wurtz. Sur les 'densités de vapeur; réponse à M. H. Sainte-Claire Deville — Id. 

 Sur la notation atomique; réponse à M. Berthelot. — Mouchez. Deuxième Note relative à la Nouveile 

 navigalion de M. Yvon Villarceau. — Naudin. Sur la mer intérieure des chotts. — Sylvesler. Théorie 

 pour trouver le nombre des covariants et des contrevariants d'ordre et de degré donnés, linéairemént 

 indépendants d'un système quelconque de formes simultanées contenant un nombre quelconque de 

 variable.3. — Sorci et Sarasin. Sur la polarisation rotatoire du quartz. — Boileau. Ohservations sur 



