290 



London Proc. S. Lond. Ent. Soc. 1911- 

 1912 (26 with 2 pi.). L'^00]. 75503 



Stephani, [Franz]. Zur Richtigstel- 

 limg. Hedwigia Diesdon 52 1912 (323). 

 [7000 8000 /J,]. 75504 



Stephen, J. S. Did the dandelion 

 come over with the Conqueror? 

 Selborne Hag. and Nature Notes 

 Loudon 23 1912 (104). [8000 c/e]. 



75505 



Stephens, Miss Edith L[ayard]. The 

 structure and development of the 

 haustorinm of Str'iga hitea. Ann. Eot. 

 Oxford 26 1912 (1O07-1O7G pi. 93). 

 [1210 2450 3225 5400]. 7550(; 



Note on the anatomy of 



Slriga Intea, Lour. Ann. Bot. Oxford 

 26 1912 (1125-1 120). [2450 5400]. 



75507 



A new species of 



JIaematoxylon (Legiirainosae Caesal- 

 pinieae) from Great Namaqualand. Cape 

 Town Trans. R. Soc. S. Africa 3 1912 

 (255-257 with 1 pi.). [0020 5400 

 8000 j(jl 75508 



Steppes, R. Ridirt die Erscheinung 

 des ,,I)urchschnittes" hei Getreide von 

 Wildschaden her? Natw. Zs. Landw. 

 Stuttgart 10 1912 (332-336). [4100 

 6000]. 75509 



Steppuhn, Oscar. Ueber die Vergii- 

 rung der Ameisensiiure durch Helen. 

 Diss. Heidelberg (Druck v. Rossler & 

 Herbert) 1910 (97). 23 cm. [3100]. 



75510 



V. Franzen, IT. 



Stern v. Giinther, A. 



Steudel, H[ermann], Levene, 



P[hoebus] A., Winterstein, E. Nuklein- 

 eiiuren und deren Abljanjirodiikte. (a) 

 Tsolierung der Nukleinsiinren und deren 

 Abbau, Darstellung der Spaltungs- 

 prodnkte. (b) Partielle Hydrolyse der 

 Nukleinstiuren. (c) Isolierung von 

 Purinbasen oder Alloxurkiirpern aus 

 Pflanzen. [In : Handbuch der biochem. 

 Arbeitsmeth. hrsg. v. E. Abdci-hnlden. 

 Bd 2.] Berlin (Urban & Sclnvarzen- 

 berg) 1910 (570-616). [3120]. 75511 



Stevens, F[rank] L[incoln] and Wilson, 

 G[uy] W[est]. Okra wilt (fusariose), 

 Fusarium vaslnfectum, and clover 

 rhizoctoniose. Agric. Exp. Sta. North 

 Carolina Raleigh Rep. 34 1912 (70-73 

 with ff.). [7700 4050 8000 gh]. 



75512 



• Withers, W. A., Gainey, 



P. L. and Stansel, T. B. Studies in soil 



bacteriology. V. The nitrifying and 

 ammonifying powers of North Carolina 

 soils. Centralbl. Bakt. Jena Abt. 2 34 

 1912 (187-203 mit 1 Tab.). [7700 

 3120]. 75513 



Stevens, George T[homas]. An 

 illustrated guide to the flowering plants 

 of the middle Atlantic and New England 

 States (excepting the grasses and 

 sedges) ; the descriptive text written in 

 familiar language. New York (Dodd 

 Mead & Co.) 1910 (4Z. + 749 with ff. pis.). 

 23 cm. [0030 8000 c/^]. 75514 



Stevens, Neil E. Dioecisni in the 

 trailing arbntus [Epigaea repens'] with 

 notes on the morphology of the seed. 

 [With bibliography.] New York Bull. 

 Torrey Bot.' CI. 38 (1911) 1912 (531- 

 543 with ff.). [1450 5400]. 75515 



A palm from the Upper 



Cretaceous of New Jersej'. Amer. J. 

 Sci. New Haven Conn. (Ser. 4) 34 1912 

 (421-436 with ff.). [8000 gg 6000]. 



75516 



The morpholog)'^ of the 



seed of Buckwheat. [With bibliography.] 

 Bot, Gaz. Chicago 53 1912 (59-66 with 

 8 ft-.). [1560 5400]. 75517 



Observations on heterosty- 



lous plants. [With bibliograpliy.] Bot. 

 Gaz. Chicago 53 1912 (277-308 with 3 

 pis.). [2380 2740 14.50]. 75518 



Polijstictus versicolor as a 



wound parasite oiCatalpa. [With biblio- 

 graphy.] Mvcnlogia New York 4 1912 

 (263-270 wfth pis.). [7700 8000 gi 

 40,50]. 7.5519 



Stevens, William Cliase. Plant 

 anatomy from the standpoint of the 

 development and functions of the tissues, 

 and handbook of micro-technic. 2d ed., 

 rev. and enl. Philadelpliia (Blakiston) 

 1910 (xv+379 Avith 152 ff.). 23 cm. 

 [1000 3000 0030]. 75520 



Stewart, Albau. Notes on the lichens 

 of the Galapagos islands. (Expedition 

 of the California Academy of Sciences to 

 the Galapagos islands 1905-1906. 7.). 

 San Francisco Proc. Cal. Acad. Sci 

 (Ser. 4) I 1912 (431-445 with table) 

 [7600 8000 ngl 75521 



Notes on the botany of 



Cocos island. Expedition of the 

 California Academy of Sciences to the 

 Galapagos islands, 1905-1906. 5. San 

 Francisco Proc. Cal. Acad. Sci. (Ser. 4) 

 3 1912 (375-404 with pis.). [6000 

 6700 8000 7ic 5400]. 75522 



