474 PROCEEDINGS OF THE ACADEMY OF [1888. 



Piaget, E. Les Pediculines. Essai monographique. I Text, 11 Planches, Supple- 

 ment, 3 vols. 4to. Leide, IS80-18S5. 1. V. Willinmson Fund. 

 Pietch, y. Herleitung und Ausprache der wissenschaftlichen Namen in dem E. 

 F. von Homeyer' schen Verzeichnisse der Vogel Deutschlands. Wein, 1888. 



I. V. Williamson Fund. 

 Pilling, T- C. Bibliography of the Eskimo language. 8vo T. Washington, 1887. 

 Bibliography of the Siouan languages. 8vo T. Washington, 1888. 



Smithsoninn Inst. 

 Pilsbry, H. A. Description of a new Hvdrobia, with notes on other Rissoidte. 

 SvoT. 1886. ' Tiie Author. 



Pini, Napoleone. Molluschi terrestri e d'acqua dolce viventi nel terrilorio di 

 Esino. Svo. Milano, 1870. ' I. V. Williamson Fund. 



Pliny, C. C. Plini Secundi naluralis histora; Libri XXXVII. Recot^navit alque 

 indicibus instruxit Ludovicus Janus. Vol. I. Libr 1-VI. Editio altera 

 denuo recognita. 12mo. Lipsia. Dr. B. .Siiarp. 



Pope, John. A tour through the southern and western territories of the Untied 

 States of North America, the Spanish dominations on the River Missis- 

 sippi, and tlie Fh)ridas, the countries of the Creek nations and many 

 uninhabited parts. Svo. Richmond, 1792. (Reprint 1888 1. 



I. V. Wil'iamson Fund. 



Report on artesian well experiments. Messages and documents, 1859-9. 



Part II. In Exchange. 



Popper, Julius. The Popper Expedition. Tierra del Fuego. A lecture deli vend 



at the Argentine Geograpiiical Institute, March 1887. Buenos Aire;,. 



1887. I. V. Williamson Fund. 



Portland catalogue of the Maine plants. 8vo T. Portland, 1868. 



Portland Society of Natural History. 

 Portugal. Secgiio dos trabulhos geologicos de Portugal. Commuiiica9oes. I, 2. 

 Description de la faune jurassique du Portugal, II, 2. p]i. 37-7 i. 



The Survey. 

 Poulsen. V. A. Botanical microchemistry, an introduction to the study of vege- 

 table histology. Translated with the assistance of the author and consitltr- 

 ably enlarged by William Trelease. Svo. Bo:-ton, 1880. 



I. V. Wdliamson Fund. 

 Prestwich, Joseph. Geology, cliemical, physical and stratigraphical. Vol IL 

 Stratigraphical and physical. Svo. Oxford, 1888. 



I. V. Williamson Fund. 



Providence Franklin Society. Report on the geology of Rhode Island. Svo T. 



Providence, 1887. Prof. Aiigelo Heilprin. 



Purdie, •A.lex. Colonial Museum and Geological Survey Dept. Studies in biology 



for New Zealand students. No. 3. The anatomy of the common mussels 



(Mytilus latus, edulis and Magellanicus.) Svo T. New Zenhindj 1887. 



The Geological Survey of New Zealand. 

 Purgokl, A. Die Dianienten des mineralogischen Museums zu Dresden, 1882. 



. The Author. 

 Quenstedt, F. A. Die Annnoniien des Sclnval)ischen Jura. II. 17-19. Text 

 and Atlas. I. V. Williamson Fund. 



Quilter, H. E. Land and fresh-water mollu^^ca of Leicestershire. April, 1888. 

 The lower lias of Leicestershire. 8vo T. Feb. 188(5. 

 The metamorphosis of Galeruca nym])hea Lin. Oct. 20, 1886. 



The Author. 

 Rabenhorst, L. Krvptogamen Flora von Deutschlann,Oesterreich und derSchweiz. 

 1 Bd., 3 Abth. 29, 30 L; 3er Bd. 11 L; IV, 8. 



I. V. Williamson Fund. 

 Rafter, Geo. W. How to study the biology of a water supply. Svo. n. d. 



On the use of the amplifier. 8vo T. n. d. The Author. 



Ragonot, E. L. Diagnoses of North American Phycitidae and Galleriida;. Svo 



T. Paris, 1S87. The Author. 



