231 



Peacock, E[d\vard] Adrian Woodrufle. 

 Chauge of climate and woodland succes- 

 sion. J. Bot. Loudon 50 1912 (247-253). 

 [3200 8000 de]. 74200 



Lytliriun Tlyssopt folia in 



Rutland. J. Bot. London 50 1912 (259). 

 [8000 del 74201 



Pearl, Raymond. Intra-individual 

 variation and heredity. Proc. 7tli Int. 

 Zool. Cong. Cambridge Mass. 1912 

 (400-402J. [4410 4500]. 74202 



Further notes regarding 



selection index numbers. Amer. Nat. 

 New York 46 1912 (302-307 with 

 tables). [0090 4600]. 74203 



Pearson, A. H. Reversion in black 

 currants. Gard. Chron. London (Ser. 3) 

 52 1912(201). [4150 5400]. 74204 



Pearson, H[enry] H[arold] W[elch]. 

 On the microsporangium and microspore 

 of Gnetiim, with some notes on the 

 structure of the inflorescence. Ann. 

 Bot. Oxford 26 1912 (603-620 pi. 60 and 

 6 text-figs.). [1450 1500 2740 6500]. 



74205 



Pearson, W[illiam] H[enry]. Two 

 new British Hepaticae. [Lophozia 

 confcrtifolia in Douegal, and L. longl- 

 ilora in Perthshire.] J. Bot. London 50 

 1912 (287). [8000 del 74200 



Peck, Charles H[orton]. Report of 

 the State botanist 1910,1911. Albanv 

 Educ. Dept. N.Y. St. Mus. Bull. No. 150 



1911 (1-100 with col. pis.) ; No. 157 



1912 i;i-139 with col. pis.). [7700 

 8000 qf gg gh gi gd he]. 74207 



Peche, K. Das Schneiden imeinge- 

 betteter botauischer Objekte mittels 

 eines Schlittenmikrotoms. Zs. wiss. 

 Mikrosk. Leipzig 29 1912 (58-62). 

 [0090]. 74208 



Peckolt, Th[eodor]. Ileil- und 

 Nutzpflanzeu Brasilieus. Berlin Ber. D. 

 pharm. Ges. 22 1912 (24-55 388-396). 

 [5400 3120 8000 M]. ' 74209 



Peglion, Vittorio. II cancro delle 

 piaute. Ital. Agric. Piacenza 49 1912 

 (135-136 con 1 tav.) ; Malpighia Catania 

 24 1012(356-368); Ferrara Atti. Ace. 

 sc. med. nat. 86 1912 (31-44). [4150]. 



74210 



La perforazione della vite. 



Ital. Agric. Piacenza 49 1912 (553-555 

 con 1 tav.). [4010]. 74211 



Le malattie crittogamiche 



delle piante coltivate. 3. ed. Casale 



(tip. Cassone) 1912 (XI + 554). 18 cm 

 [4050]. 74212 



Peglion, Vittorio. Intorno al mal del 

 piede del frumento. Casale (tip. Cassone) 

 1912(60). 18 cm. [4050]. 74213 



Peirce, George J[ames]. The liberation 

 of heat in respiration. [Fauna and 

 flora.] Bot. Gaz. Chicago 53 1912 

 (89-112 with 8 £E.). [3080]. 74214 



V. Leuchs, H. 



Peklo, Jaroslav. tJber symbiotische 

 Baktericu der Aphiden. (Vorl. Mitt.) 

 Berlin Ber. D. bot. Ges. 30 1912 (416- 

 419). [7700 3220]. 74215 



Pellegrin, Frani^ois. Collections 



Ijotaniques ra})portees par la mission 

 Tilho de la region Niger-Tchad. Liste 

 des especes. Bui. Museum Paris 1911 

 (459-466 566-571); 1912 (46-50). 

 [5100 8000 /c/d]. 74216 



Dicliapetalum nouveaux 



de I'Afrique orientale. Notulas system. 

 Paris 2 1912 (270-277). [5400 8000/). 



74217 



Meliacees, Dichapetalacees. 



In : Lecomte Flore generale de I'lndo- 

 Chine 1 1911 (723-801). [5400 8000 

 ed}. 74218 



P^lourde, Fernand. Note preliminaire 

 sur deux especes nouvelles de Diciyo- 

 plnjUum du Tonkin. Bui. Museum 

 Paris 1912 (263-265). [6500]. 74219 



Penard, Eugene. Nouvelles recherches 

 sur les Amibes du gi-oupe Terrlcola. 

 Arch. Protistenkunde Jena 28 1912 (78- 

 140). [3225]. 74220 



Penau, Henry. Contribution a la 

 cytologie de quelques micro-organisraes. 

 Rev. gen. bot. Paris 24 1912 (13-32 

 68-95 113-142 149-176). [2640 3020 

 7700]. 74221 



Pennell, Francis W. Some additions 

 to Dr. Fussell's List of Delaware county 

 plants. Jledia Pa. Proc. Delaware Co. 

 Inst. Sci. 4 1909 (68-74). [8000 gg\ 



74222 



Pensa, Antonio. Osservazioni di 

 morfologia e biologia cellulare nei 

 vegetali (mitocondri, cloroplasti). Arch. 

 Zellforschg Leipzig 8 1912 (612-662 

 mit4Taf.). [2640]. 74223 



Peola, Paolo v. Lupano, G. 



Pepoon, H. S The cliff flora of Jo 

 Daviess county. Trans. Illinois State 



