CASTLE. — INBREEDING, CROSS-BREEDING, AND SELECTION. 755 



The character of the selections made is shown in detail in Table VII, 

 but may be summarized thus : 



TABLE VII. 

 Genealogy of N Series, 1904-5 (W. M. Barrows). 



Geoer- At. Young, vr N , At. Young, 



ation. A'Line. .' iV' Line. 



19 104 189 



20 93 77 113 90 43 61 70 58 



21 90 86 95 St. Fertile 10 10? 



22 256 214 299 67 11 39 



23 336 305 347 355 67 105 74 82 



24 308 290 336 297 129 116 157 134 



25 317 376 259 Fertile 159 257 81 166 



26 295 233 400 252 265 238 245 249 



III III 



27 131 11 205 178 321 326 219 289 



28 221 198 251 213 201 174 167 181 



There were usually three broods to choose from in each line, which 

 we may call the largest, the medium-sized, and the smallest, respectively. 

 In each line pairs were as a rule taken from one brood only. The broods 

 selected were as follows : 



Largest. Medium. Smallest. 



In the N line .... 5 1 3 



In the N> line .... 4 2 3 



