LINNBAN SOCIETY OF LONDON. 83 



Philadelphia. 



University of Pennsylvania. 



Contributions i'rom the Botanical Laboratory, &c. (Re- 

 printed from Trans. & Proc. Bot. Soc. Pennsvlvania.) 

 Vol. II. No. 3. 8vo. Philadelphia, 1904. 



Pietermaritzburg. See Natal : Conservator of Forests. 

 Popofsky (A.). >S'e6' Plankton-Expedition : Die Acantharia. Teill. 



Acanthometra. 

 Porsild (Morten P.). See Hagen (Ingebrigt S.)- Descriptions de 



quelques especes nouvelles de Bryacees recoltees sur I'ile de 



Disko. 

 Porsild (Morten P.) and Simmons (Herman George). Om 



Fasr^erues Havalgevegetation og dens Oprindelse. En Kritik. 



Pp. 72. (BoL Not. 1904.) 8vo. Luad, 1904. Author. 



Portici. See " Redia," Giornale di Entomologia, &c. 

 Potonie (Henry). Lehrbuch der Pflanzenpalteontologie rait 



besonderer Riicksicht auf die Bediirfuisse des Geologen. 



Pp. viii, 402 ; Tafeln 3, Textfiguren 355. 8vo. Berlin, 1899. 

 Prain (David). On the Morphology, Teratology, anl Diclinism 



of the Flowers of Cannabis. Pp. 32 ; plates 5. (Scient. Mem. 



Officers of the Medical and Sanitary Dept. of the Govt. India, 



n. s. no. 12.) " 4to. Calcutta, 1904. 

 The Vegetation of the Districts of Hughli-Howrah and the 



24-Pergunnahs. Pp. 197 and Map. (Records Bot. Survey 



India, vol. iii. no. 2.) 8vo. Calcutta, 1905. 



Pringsheim (Albert). Ueber Wert und angeblichen Unwert der 



Mathematik. Festrede gehalten in der ofEentlichen Sitzung 



der K.-B. Akademie der Wissenschaften zu Miinchen zur 



Feier ihres 145. Stiftungstages am 14. Marz 1904. Pp. 44. 



4to. Miinchen, 1904. 

 Pritchard (G. B.). See Chapman (Frederick). Fossil Fish- 

 remains from the Tertiaries of Australia, Part I. 

 Eatzel (Fritz). Beitrage zur anatomischen und systematischen 



Kenntniss der Oligochaeten. Dissertation. Pp. 31, Tafel 1. 



(Zeitschr. wiss. Zool. xviii.) 8vo. Leipzig, 1868. 



Ray Society. Publications (cont.). 



Alder (the late Joshua) and Hancock (the late Albany). The 



British Tunicata. An unfinished Monograph. Edited by 



John Hopkinson and Eev. A. M. Norman. Vol. I. Pp. xii, 



146 ; plates 20. 8vo. London, 1905. 



" Redia." Giornale di Entomologia pubblicata dalla R. Stazione 



di Entomologia Agraria in Fireuze, sotto la Direzione di 



Antonio Berlese. Vol. I.-> 8vo. Portici, Firenze, 1903-> 



Reh (L.). See Sorauer (Paul). Handbuch der Pflanzenkrank- 



heiten. 

 Reid (Clement). Naja$ marina in the Megaceros-Marl of Lough 



Gur. P. 1. (Irish. Nat. xiii.). 8vo. Dublin, 1904. Author. 



