S. (\ Haki.ani) 119 



Ht>Uu»in p}itt4*rn to iStilid colour, at ihv sjimr time chHU^iii^ thr flnw«T 

 colour t4) Dark. 



H,. The fiicUir which c«>iivcrtss the Sumll i>yr |Mitt«Tn tn thr H«ilHt,cin 

 pHlU>n). 



H^ The crtwt o( this fiictor is similar to t hat ai' H,. 



B. The faot-or Tor l>l.ick in the seed coal, which also manifests itwelt 

 by the pnxiuction ol a red lipped \mh\, and a calyx and pednncU* with 

 more or less anthtn-yanin pigmentation. 



N. Thi* factor tor a hrown or biitV colour of the s«'ed (!oat pattern. 



M. The tiu'tor tor a liark mar<H>n t(»8tii pattt-rn. 



2. In one cross between Small eye and Solid (colour the behaviour 

 of certain (»!" thi* h\ families indicated that both the Holstein fjictors 

 wore invi>lve<l. The rati«» of Holstein to \o Holstein in F.. was, how- 

 ever, widely nnnived from thi* «'xpi'cte(i 15:1, being ^fh TO. It is 

 point'Od out that linkage between the two Hnlstein factors woidd a('(M)unt 

 for the Fj results but not for thnse of /^ No hypothesis can at present 

 be suggeijted which will account for both F.^ and F:i results. 



3. The following pjiirs of factors apjx'ar to be inherited inde|X'n- 

 dently of each other: L and D. D and H,, D and H,, H, and H,. M 

 and N. 



4. A short statement is put forward in criticism of certain results 

 obtained by'Spillman (191*^) in regard to colour-correlation in the 

 cowpea. 



REFERENCES. 



Harlaxd, S. ('. 11)10. -'Oil the Genetics of ( Viiikled Dwarf Rogues in S&v Isknd 



Cotton." iV*^it Indian Bulletin, Vol. .\vi. pp. 82-84 and 353-355. 

 Howard, A. and (i. L. C. 1912. "On the Inheritance of some Charactei-s in 



Whciit, I.' Mem. Dept. Afjr. Indi'f, Bot. Ser. 5, Xo. 1, pp. 47. 

 MoROAN, T. H., Sturtev.vnt, a. H., Mullkr, H. J., and Bridges, ( '. B. 11)15. 



"The Mech.uiisni of Mendelian Heredity.' 

 XiLi>.soX-EHLK, H. 1908. "Eiuige Ergel>nis.sc von Kreuzungen l)ei Hafcr und 



Weizen." Botaniabi Notiser. 

 Piper, (\ V. 1912. " AgricMiltural Varieties of the Co\vi)c;i and Inmiediateiy 



lielateii S|>ecie.s." C.S. Dept. of Af/r. Bur. PL Indm. Bid., 229. 

 Spillman, W. .1. 1911. '' Inheritmce of the *Kye' in Vigna." Ainericatt 



yatnraliM, 45, No. 537, i)p. 513-523. 

 . 1913. "Color Con-cliition in Co\v[>e;is." Science, X. Ser., 38, Xo. 974, p. :W2. 



