XX i CONTENTS 
CHAPTER XXXVIII 
MerxHops or ConpuctTInGc BREEDING INVESTIGATIONS 
Pace 
Introductory. ... Hoe aoe ase ode oY She ow eS oe Wie Sl 
The need of peers! ethers Bee ss Gok ne aed aoe Sonn Ree MOSSE 
Judeing the -im civic wall) aes ene ee ene reese 91 
Pedigrees . . . SE ee ee eee es Reason ee O90 
The coefficient of Gnbrecding: Loe Rect Bite Bd) Bora RMR hoede ee. Hehetn gee he we cae: 
The coefficient of relationship ..........2..2.....4.. =... 600 
Markingtindivaduals) secre ease osc tee ea ee ee nO 
Record ined aiteie eeespie ep eeerCe an ener ata neme ewe eeer e e eeen OO) 
@ooperative:breedingan. «044. che eth Ge ae ees cesar ee O06 
CHAPTER XXXIX 
ConcLupING REMARKS 
Introductory. . . PSL Ree Grete ok erases debs fin, Kor ALE 
The present lack of derailed inowledge Tee OREN ek EOLA Oe Se ROLL 
ebheyneecdsofiresearchige mentee cure ara a ce ce eee eve ee 608 
Thetseryice of:genetics = 2 2 A a lo eons es fh uo pee ee G09 
The need of other knowledge. .................... 2. =. 611 
(QUHGISV NEN ect pce vee ee Seede: bte Sie ae US aR reap eae ee eds ah cs oy OS, Cs ae OT 
Lopirpicoy gal byte G yop rN Oj UY aoa om ela, uM ty) eave dow Soe teva ey ons Ge co 6 oe A 
JGRUNTOR Ss Serae Uda eaehee ie we ore eee PEE Tee G eC aee edt ayech ch Goth: lotr hs eae oe) 
Digitized by Microsoft® 
