42 LABORATORY OUTLINE OF NEUROLOGY 



median plane, for the optional dissections are so planned that 

 all of them can be made on one lateral half of one brain. 



33. In the interest of economy, both of material and of the 

 student's time, it is desirable that in the first dissection the 

 order of procedure here outlined be followed exactly. In par- 

 ticular, in the dissection of the sheep (or of the human brain in 

 case this is used for the first dissection) where some of the 

 dissections are to be made on the right side of the brain and 

 some on the left, the dissection must be made on the side 

 directed in order not to interfere with later procedures. The 

 appropriate portion of the Laboratory Outline should be read 

 and text-books consulted before each laboratory exercise, and 

 a certain general familiarity with the parts to be studied thus 

 secured in advance. 



Both laboratory and lecture work should be daily supple- 

 mented by careful study of the text-books and atlases. But the 

 laboratory notebook is primarily a record of your own observa- 

 tions. The notebook should always show the source of any 

 second-hand matter introduced from text-books and other 

 authorities by way of correlation. Record the observations so 

 far as possible by drawings. Make them neat. See that they 

 are fully and neatly labeled. When for any reason the draw- 

 ings specified do not record fully or faithfully your observa- 

 tions, supplement them by written notes. These must be 

 written in ink and should be interleaved with the drawings. 

 Each page of drawings should have an appropriate heading. 

 Do not crowd your drawings; avoid especially the promiscuous 

 mixing of unrelated notes on the same page. Excellent 

 directions for laboratory drawing will be found in the first 

 thirty pages of Hardesty's Laboratory Guide for Histology 

 ('08)' and in Guyer's Animal Micrology ('17), pp. 159-172. 



34. Terminology. The confusion in the use of terms has 

 been more serious in neurology than in most other departments 

 of anatomy. The only widely used standard is the official list 

 of the German Anatomical Society, commonly referred to as 

 the B N A (see Barker's Anatomical Terminology and Eycles- 

 hymer's Anatomical Names), and it is necessary to be familiar 

 with these terms; they should be used in your laboratory notes. 

 Some of our anatomists, however, do not use these terms con- 



