List of Illustrations xxi 



PIQ. 



148. A modern sanitary dairy barn . . 370 



149. A four-bottle hand power tester ..... 376 



150. A type of steam tester ....... 376 



151. Type of Babcock test bottle . .377 



152. Types of Babcock cream test bottles .... 377 



153. Pipette used in measuring milk in the Babcock test . . 378 



154. Simple acid graduate ....... 378 



155. A dipper used in measuring acid in the Babcock test . 379 



156. Burette for measuring acid in the Babcock test . . 379 



157. A combined bottle and acid measure .... 379 



158. Type of knife-edge cream balance ..... 380 



159. The right way of adding milk to the test bottle . . 380 



160. The wrong way of adding milk to the test bottle . . 380 



161. Method of reading fat column in milk testing . . . 381 



162. Dividers for measuring length of fat column . . .381 



163. Method of reading fat column in cream testing . . 382 



164. Diagram showing the rapidity with which bacteria multiply 



in milk not properly cooled ...... 383 



165. Clean white suits and small-top milk pails used in a sanitary 



dairy ..... . .384 



166. Open and small-top milk pails ...... 385 



167. Points of the sheep, side view ...... 392 



168. Points of the sheep, front and rear views .... 393 



169. Southdown sheep ... . .394 



170. Shropshire ram ......... 395 



171. Hampshire ewe . . . . . . . . . 395 



172. Dorset ewes ....... . . 396 



173. Cheviot ram . ........ 397 



174. Leicester ewe ......... 398 



175. Cotswold ram ..... . 399 



176. Lincoln ewe ......... 400 



177. Type A, Merino ram ....... 400 



178. Rambouillet ewe . .401 



179. Points of the hog, three-quarters front view . . . 408 



180. Points of the hog, side view ...... 408 



181. Berkshire sow ...... . . .409 



182. Poland-China sow .... ... 409 



183. Chester white swine ........ 410 



184. Duroc- Jersey sow ........ 411 



185. Hampshire boar ........ 412 



186. Yorkshire sow ..... 412 



