346 PROCEEDINGS OF THE ACADEMY OP [1883. 



Choflfat, Paul. Etude stratigraphique et paleontologique des terrains juras- 

 siques du Portugal. Ire Livr., 1880. Geological Survey of Portugal. 

 City Hospital, Boston. 19th report of the trustees of 1882-83. The Authors. 

 Clessin, S. Zwei neue siideurop'aische Species. 

 Die tertiilren Binnenconchylien von Undorf. 

 Was ist Art, was Varietiit? 



Bemerkungen iiber die deutschen Arten des Genus Planorbis Guett. 

 Les Pisidiums de la faune profonde des lacs Suisse. 

 Studien iiber die Helix-Gruppe Fruticicola Hid. 



Helix arbustorum und ihre Varietiiten. The Author. 



Cole, A. C. Studies in microscopical science. Vol. I, 1883. 



The Biological and Microscopical Section. 

 Colonial Museum and Geological Survey Department. Report of geological 

 explorations during 1881, Geological Survey of New Zealand. 



Commissioner of Agriculture. Report for the year 1882. 



Department of Agriculture. 



Commission zur wissenschaftlichen Untersuchung der deutschen Meere. 



VII— XI Jahrg., 1 Abth., 1882. I. V. Williamson Fund. 



Comstock, C. B. Professional papers of the Corps of Eugineers, U. S. A. 



Mo. 24. 



Report upon the primary triangulation of the U. S. Lake Survey. 



Engineer Department, U. S. A. 

 Cooper, E. Forest culture and Eucalyptus trees. 1876. F. von Mueller. 



Cope, E. D. The genus Phenacodus. 

 Paleontological Bulletin, No. 36. 



On the mutual relation of the Bunotherian mammalia. 

 The structure and appearance of the Laramie Dinosaurian. 

 On the characters of the skull in Hadrosaurus and on some vertobrata from 



the Permian of Illinois. 

 On the extinct dogs of North America. The Author. 



Coppi, Francesco. Osservazioni malacologiche circa la Nassa semistriata e N. 

 costulata del Brocchi. The Author. 



Costa, F. A. Pereira da. Monumentos prehistorisos. Descripcao de algunas 

 dolmins ou autras de Portugal 1868. 

 Commissao geologico de Portugal. MoUuscos fosseis Gasteropodes dos 

 depositos terciarios de Portugal, lo & 2o Caderno, 1867. The Author. 

 Do existencia do homem em epochas remotas no Valle do Tejo. Premeiro 

 opusculo. Geological Survey of Portugul. 



Coues, E. Check list of North American birds. 1882. Jos. Jeanes. 



Cox, J. C. On the edible oysters found on the Australian and neighboring 

 coasts. The Author. 



Dames, W., and E. Kayser. Palaeontologische Abhandlungen. I, 1, 2. 



I. V. Williamson Fund. 

 Davaine, C. Traits des enlozoaires et des maladies vermineuses. 1877. 



Jos. Jeanes. 



De CandoUe, A. Origine des plan tes cultiv^s. 1883. I. V Williamson Fun^^. 



De CandoUe, A. and C. Monographic phanerogamarum. IV. Wilson Fund. 



Delgado, J. F. Nery. Communica9oes da Seccao dos trabalhos geologicos. I. 



Considera5oes dcerca dos estudos geologicos em Portugal. 



Contributions a la flore fossile du Portugal. 1881. 



Relatorio e outros documentos relatives d Commissao scientifica desem- 



penhada em differentes cidades da Italia, Allemanha e Franca. 1882. 

 Terrenes paleozoicos de Portugal. Sobre a exittencia de terreno siluriano 

 no Baixo Alemtejo. Geological Survey of Portugal. 



Department of Agriculture. Special report. Nos. 52-57, 59-65. 

 Chemical Division, Bulletin No 1. Div. of Statistics, 2. 

 Division of Entomology, Bulletin Nos. 1 and 2. 1883. ' 

 Division of Statistics, n. s., report No. 1. 1883. The Department. 



