243 



Paulsen, Ove. The plankton on a 

 submarine bank. Kobenhavn Bio- 

 logiske Arbejder tilegnede Eug. War- 

 ming 1911 (231-239). [9300]. G753G 



Marine plankton from the 



East-Greenland sea (W. of 6° W. long, 

 and N. of 73° 30' N. lat.) collected 

 during the " Danniark-Expediti(m " 

 1900-1908, III Peridiniales. Koben- 

 havn Medd. Gronl. 43 1911 (Danmark- 

 Ekspeditionen til Gronlands Nordost- 

 kyst 1900-1908 Nr. 3 Nr. 11) (301- 

 318 \vith illustr.). [7400 9200]. 



67537 



Traek af Vegetationen i 



Transkaspiens Lavland. [On the 



vegetation of the Transcaspian low- 

 land.] Dr. Disp. Kobenhavn (Gylden- 

 dalske Boghandel Nordisk Forlag) 1911 

 (238 with illustr. and map). 24i cm. 

 [3200 8000 ea]. 67538 



V. Ostenfeld, C. H. 



Paulson, Robert. A new lichen, 

 Gongijlia viridis, A. L. Sm., in Surrey 

 and Essex. Knowledge London 34 

 1911 (184 with 1 fig.). [8000 rfe]. 



67539 



and Thompson, Percy G. 



Report on the lichens of Epping 

 Forest. (First paper.) Stratford 

 Essex Nat. 16 1910 (1911) (136-145). 

 [7600 8000 de\. 67540 



Pavarino, G. Luigi. Sulla bacteriosi 

 del pomodoro : Bacterium Briosii 

 n. sp. Pavia Atti 1st. bot. 12 1911 

 (337-344) ; Roma Rend. Ace. Lincei 

 (Ser. 5) 20 1911 (355-358). [4050 

 7700]. 67541 



Un cancro della Ghcine : 



Bacterium Montemartini n. sp. Riv. 

 patol. veg. Pavia 5 1911 (65-68). 

 [4050 7700]. 67542 



Batteriosi della Vanilla 



planijolia Andr. (Bacterium Briosia- 

 num n. sp.). Roma Rend. Ace. 

 Lincei (Ser. 5) 20 1911 (161-162). 

 [4050 7700]. 67543 



Malattie causate da 



bacteri nelle Orchidee. Roma Rend. 

 Ace. Lincei (Ser. 5) 20 1911 (233- 

 237). [4050 7700]. 67544 



Pavillard, J. Observations sur les 

 Diatomees. Paris Bui. soc. bot. 58 

 1911 (21-29). [7400]. 67545 



[Pavlenko, M. A.] HaBJienKO, M. A. 

 BepecTTb (jjlmus campestris), KaK-B 



MaciiiqHoe jepeBO. [Ulmus cam- 



pestri.s als Oelpflanze.] Izv. juzno- 

 russ. Obsc. technol. Chartkov 15 1911 

 (26-28). [3120 3130 5400]. 67456 



Pax, F[erdinand]. Einige neue 

 Funde aus der hohen Tatra. Breslau 

 Jahresber. Ges. vaterl. Cultur 88 (1910) 

 1911 zool.-bot. Sect. (60-61). [8000 dk]. 



67547 



Plantae novae bolivianae. 



V. Piperaceae. Auctore 0[asimir] de 

 CandoUe. (Originaldiagnosen.) Re- 

 pert, spec. nov. regni veget. Berlin 

 9 1911 (229-235). [8000 hg 5400]. 



67548 



Euphorbiaceae-Cluytieae, 



unter Mit\virkung von Kathe Hoff- 

 mann. [In : Das Pflanzenreich, hrsg. 

 v. Aldolf] Engler. H. 47 (IV. 147. 

 III).] Leipzig (W. Engelmann) 1911 

 (124). 26 cm. [5400 1000 8000]. 



67549 



Peace, L. M. Notes upon the 

 clearing and staining of leaves and 

 stems. Plant World Tucson Ariz. 13 

 1910 (93-96). [0090]. 67550 



Peacock, E[dward] A[drian Wood- 

 ruffe]. A check-list of Lincolnshire 

 plants. Lincolnshire Nat. Union 



Trans. 1909 part 1 (1-66). [8000 rfe]. 



67551 



Flowers and insects. 



J. Bot. London 49 1911 (164-167). 

 [3500]. 67552 



Lincolnshire notes. J. 



Bot. London 49 1911 (348). [SOOO de]. 



67553 



The "Cotyledon gall" 



of Quercus pedunculata. J. Bot. 



London 49 1911 (369). [4300]. 67554 



Pearl, Raymond. Les idees et les 

 methodes biometriques en biologie : 

 leur signification et leur limitation. 

 Scientia Bologna 10 1911 (62-81). 

 [4500]. 67555 



and Bartlett, James M. 



The Mendelian inheritance of certain 

 chemical characters in maize. Zs. 

 indukt. Abstammgslehre Berlin 6 1911 

 (1-28). [4410 6000 3120]. 67556 



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

 On the collections of dried plants 

 obtained in South-West Africa by 

 the Percy Sladen Memorial Expedi- 

 tions 1908-1911. Cape Town Ann. 

 S. Afric. Mus. 9 1911 (1). [0020 0060 

 5000 8000 fg]. 67557 



