144 Invertebrate Zoology. 



After each day's work, clear up your table and return 

 everything that has been borrowed. 



All organic refuse should be placed in the receptacle that 

 has been provided for the same, and as free from liquid as 

 possible. 



Pour nothing but liquid into the sinks. Be especially 

 careful that sand and shreds of flesh are not left in the sinks. 



After using laboratory sponges, rinse them out and leave 

 them in their racks. Never use them for absorbing grease 

 or oil. 



Paraffin chips or wax should not be allowed to fall on the 

 floor. 



Your own books, and certainly laboratory books, should 

 not be handled with soiled fingers. 



Keep the lockers, drawers, etc., that have been assigned 

 to you in an orderly condition. 



Finally, if you are so unfortunate as to injure laboratory 

 instruments, books, or other property, inform the instructor 

 of the extent of damage done. 



