XXXV ) 



Jennings (H. S.). Tlie numci-ical results of diverse systtms of breeding, with 

 respect to two jiairs of characters, linked or independent, with 

 special relation to the effects of linkage. 

 [Genetics, Vol. II, March 1917.] 



Modifying factors and multiple allelomorphs in relation to the 



results of selection. [Based on the fruit fly Drosojihihi.'] 

 [Amer. Nat., Vol. LI. May 191 7. J 



Ob.servi d changes in Hereditary characters in Relation to Evolution 



[Journ. "Washington Acad. 8ci., Vol. VII, May 1917.] 



The Author. 



Jones (D. "W. ). The European Earwig ( Forficiila atiricvlaria) and its control. 

 [U. «. Dept. Agric, Bull. No. 566, June 1917.] 



[/. S. Dept. Agric. 



Jones (T. H.). The ?weet-potato leaf-folder (Pilocricis tripunctata,Fa,h.). 

 [V. S. Dept. Agiic, Bull. No. 609, Nov. 1917.] 



C. S. Dejit. Agric. 



KiEKPATiiiCK (R). The Biology of Waterworks. 



[British ;Museum (Natural History), Economic Series, No. 7, 1917. 



The Trustees Brit. Mus. 



Kr.\atz (G.) [See Kustek (H. C.)] 



KtJSTER (H. C.) Die Kiifer Eiiropa's. Nach der Natur beschrieber. Heft 

 xxv-xlviii, 1852-1912. 

 [Heft xxix, by Dr. G. Kraatz. Heft xxx-xlviii, by J. Schilsky.] 



PurcJiased. 



La Rue (G. R. ) Two new larval Tremafodes from Thamnoj^his marcicina 

 and TItaiiDiophis eqnes. 

 [Ocas. Papers Mus. Zoo!. LTniv. Michigan, No. 35, Jan. 1917.] 



Univ. of Michigan. 



Lathrop (F. H.). [See Parhott (P. J.).] 



Lucas (T. P.). Memoir (published in Brisbane 1917). 



Carter- Watson Co., Brisbane. 



LuGiNBiLL (P.) and Aixsi.ie (G. G.). The Lesser Cornstalk-borer (Elasmo- 

 palpi's hgnoxellus, Zell.). 

 [U. S. Dept. Agric, Bull. No. 539, Sept. 1917.] 



U. S. Dept. Agric. 



LiNDBECK iW.). Diptera Danica. Parts IV, V, 1912, 1916. 



The Author. 



Marsh (H. C).). Life-history of I'lutella inaculipennis, the diamond-back 

 moth. 

 [Journ. Agric. Research, Vol. X, July 1917. 



r. aS'. I>e])t. Agric. 



McCray (A. H.). Spore-forming Bacteria of the Apiary. 

 [Journ. Agric. Research, Vol. ^'III, March 1917.] 



f^ 6'. Tiept. Agric. 



McDoNoitiH (F. L.). [See McGreook (E. A.).] 



McGehee (T. F.). [See Coad (B. R.).] 



McGregor (E. A.). Descriptions of seven new species of Red Spiders. 

 [Proc. U. S. Nat. Mus., Vol. LI, Jan. 1917.] 



The Smithi'onian Institution. 



McGregor (E. A.) and McDonovgh (F. L.). The Red Spider of cotton 

 {Tetranychus himaculatus, Harvej'). 

 [U. S. Dept Agric, Bull. No. 416, Jan. 1917.] 



U. S. Dept. Agric. 



