190 



Perez, George V. Slat ice arborcscen.-< 

 [presumably of hybrid oriain]. Gard. 

 C'liron., London, (Ser. 3), 36, 1004, (41'J, 

 fig. 178). [3550 5400 8000 lb]. 



20286 



Perkins, JFanet]. Fragmenta florae 

 Pbilippinae. Contributions to tlie flora 

 of the Philippine Islands. Fasc. 1. 2. 

 Leipzig (Gebr. Borntraeger), Paris 

 (P. Klinksieck), London (Williams Sc 

 Norgate), 1904, (IV + 152, mit 3 Taf.). 

 25 cm. 4 M. 5 M. [5400 GOOO 

 C500 8000 eg]. 20287 



. . . Preliminary studies 



on the Philippine flora. Grant No. 19 

 [Preliminary report.] Washington, 

 D.C, Carnegie Inst. Year Book, No. 2, 

 1903, 1904, (.xxviii). [8000 er;]. 20288 



Perredes, Pierre E[Iie] F[elix]. Com- 

 parative anatomy of the barks of the 

 iSalicaceae. Cheiii. and Drug., London, 

 63, 1903, (226-229, 39 figs.). [2500 

 5400]. 20289 



Perriraz, P. Un hybride d'Amygdalus 

 communis et Persica de provenance 

 valaisanne. Lausanne, Bid. Soc. Sci. 

 Nat., (ser. 4), 39, 1903, (XXIX-XXX) ; 

 Arch. Sci. Phvs., Geneve, (ser. 4), 15, 

 1903,(685-686). [5400 3550 8000 c/;]. 



20290 



Tableau.K destines a I'en- 



seignement. [Modifications ou trans- 

 formations d'organes.] Lausanne, Bid. 

 Soc. Sci. Nat., (ser. 4), 39, 1903, (LIII- 

 LIV); Arrh. Sci. Phys., Geneve, (ser. 4), 

 16, 1903, (751-752). [0030]. 20291 



Perronne, P. La seve d'aoiit. Lillo, 

 J. soc. horticult., 24, ICO I, (96-98). 

 [3060J. 20292 



Pertz, D[orothea] F[rances] il[atilda]. 

 On the distribution of statoliths in 

 Cucurbitaceae. Ann. Bot., Oxford, 18, 

 1904, (653-654). [2780 5400]. 20293 



V. Darwin, F. 



Perwo, E. R. Die Vegetation dcs 

 Frischen IlafTes. Ber. Fischereiver. 

 Ostpr., Kiinigsberu, 1903 04, 1903, (10- 

 12). [8000 c/c]. ^ 20294 



Petch, T. Mycetozoa in the Scar- 

 borough District. Naturalist, London, 

 1904,(195). [7700 8000 c/e]. 20295 



P^terfl, .Miirton. Nehany adat a Kau- 

 kazus mohfUJrajahoz. [Einigc Beitriige 

 zur iloos-llora des Kaukasus. Buda- 

 pest, Ann. Hist. -Nat. ilus. Nat, Hung., 

 2, 1904, (396-399). [7000 8000 <lb]. 



20296 



Paterfl, Marton. Aslomum Inter- 

 medium. Novc'nvt. Kozlem., Budapest, 

 3, 1904, (21-24).' [1000 7000]. 20297 



Magyarorsziig tozegmohai. 



[Die Torfmoose Ungarns.]. Novenyt. 

 Kozlem., Budap28t, 3, 1904, (137-169). 

 [7000 8000 d/c]. 20298 



Beitrage zur Kenntnis der 



nngarischenkleistocarpen Moose, ifath.- 

 natw. Ber. Ungarn, Leipzig, 19 (1901), 

 1904, (352-356). [7000 8000 dk\ 



20299 



Peters, Friedrich. Pharmakologische 



Untersuchungen uber Corydalisalka- 



loide. Arch, exper. Path., Leipzig, 51, 



1904,(130-174). [9130 3120 5400]. 



20300 

 Peters, L. v. Ililtner, L[orenz]. 



Petersen, 0. G. Nattefrostens Yirkning 

 paa Bogens Ved. [The effect of night 

 fro-t upon the wood of the beech.] 

 Kjobenhavu, Det forstlige Forsogsvjesen, 

 1, 1904, (49-68). 24i cm. [2040 

 4150 4250]. - 20301 



Overvoksningeftcr Ltengde- 



saar hos Lork og nogle and re Trjeer 

 [Overgrowing after longitudinal wounds 

 in the larch and some other trees.] 

 Kjobenhavu, Vid. Selsk. Overs., 1903, 

 No. 6, [1904], (617-630). [2040 4250 

 4200]. 20302 



Understigelser over Trae- 



ernes Aarringe [Examinations of the 

 yearly rings of trees]. Kjobenhavn, 

 Vid. "Selsk. Skr., (Ser. 7), 1, 1904, 

 (167-214, with illustr.). [2540 2600]. 



20303 



Martin Vahl. In Bricka : 



Dansk Biografisk Lexikon, Kjobenhavn, 

 18,1 91 14 , ( 1 63-1 70). [00 1 0]. 20304 



Petersen, Sev[eriii] v. Rostrup, E. 



Pethybridge, G. H. An improvec] 



simple ft)rni of potometer. Dublin, Sc. 

 Proc. R. Soc, (N.Ser.), 10, (1904), (149- 

 152, 2 figs.). [3950]. 20305 



Petit, Paul. Action de la chaleur et 

 de I'acidite sur I'amvhise. Paris, C.-R. 

 Acad, sci., 138, 1904; (1231-123.3). 

 [3120]. 20306 



(Catalogue des Diatomees 



provenant de Madagascar. Paris, C.-R. 

 ass. fran?. avanc. sci., 31, (^lontauban, 

 1902), 2'- partio, 1903, (590-590). [7400 

 8000 ///]. 20307 



