Teachers of high school biology are often handicapped by a lack of living material. This is particularly true in the teaching of insects. Most texts in biology use the grasshopper as a type of insect, largely, I suppose, because of its familiarity to the average pupil.
©1929 by Iowa State Teachers College
Abbott, Roy L.
"Cockroaches for Laboratory Study,"
Science Bulletin: Vol. 1:
3, Article 5.
Available at: https://scholarworks.uni.edu/science_bulletin/vol1/iss3/5