LABORATORY EQUIPMENT FOR BIOLOGY


 V4 lb. of manganese oxide.
 4 doz. corks for % inch test tubes.
 5 lbs. of stone or unslaked lime.
 6 lbs. of hydrochloric acid, commercial, in bottle.
 1 lb. of concentrated nitric acid, commercial, in bottle.
 1 lb. of concentrated ammonium hydroxide, commercial, in bottle.
 V2 lb. of ether.
 5 grams of iodine.
 /2 lb. of collodion solution.
 1 thistle-tube funnel, long.
 1 small funnel, with long tube.
 1 graduated cylinder, 100 cc. capacity.
 1 funnel, 3-in. size.
 1 funnel, 6 in., glass, as furnished for rapid filtration.
 10 grams, eosin, yellowish, water soluble.
 1,000 insect pins, black, size 3.
 15 sheet-steel baking pans, size, 7 in. by 10 in. (one for each student).
 15 dissecting sets (one for each students), consisting of:
 1 good case.
 2 needles, with handles.
 1 scissors.
 1 scalpel.
 1 ruler.
 1 forceps.
 7 Ibs. of Carosin wax for dissecting pans.
 If there is a chemical or physical laboratory in the school,
most of the material given above for teaching about the en-
vironment of living things may be found therein.

 Supplementary Supplies
 Additional funds can wisely be expended for animals that
cannot be easily collected by the students. The following list is
suggestive for a class of 15 students:
 15 live hydra
 15 preserved sponges, Grantia
 15 set anemones
 15 starfish
 15 large preserved earthworms
 15 crayfish
 15 large mussels, Anodonta preferred
 15 small live frogs
 15 preserved perch