JUDGING SHEEP IN SECONDARY SCHOOLS. 8 
in figures 2, 3, and 4 may be enlarged as charts* or copied upon the 
blackboard. A projection lantern with an opaque attachment will 
enable the teacher to project mounted pictures as well as lantern 
Fig. 2.—Chart for teaching cuts of mutton. 
slides upon the screen. A good set of lantern slides is almost in- 
dispensable in connection with any study of types and breeds of 
live stock.? 
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Fic. 3.—Chart for teaching names of parts of a sheep. 
Wherever any extensive study is made of wool, a permanent ex- 
hibit showing classes and grades of wool will be found very helpful. 
1 Good charts of such pictures may be obtained by tracing the outlines upon ordinary 
tracing cloth, mounting upon glass as a lantern Slide, projecting with the stereopticon, 
and tracing upon cloth or paper. -Light-colored window shades are suitable for this pur- 
pose. 
2 Lantern slides illustrating types and breeds of sheep may be obtained from the Division 
of Agricultural Instruction of the States Relations Service, A, list of these and other 
slides will be mailed upon request, 
