... Stem-sclerenchvma,sec. 13 Mosquito Wings,w.m. 63 Stem-Tracheid,l.s. 14 Butterfly Wings Ocales,w.m. 64 Mixed ... Bacteria,smear. 15 Dragonfly Wings,w.m. 65 Coccus,smear ... Starch,w.m. 27 Frog Spenna Tozoa,smear. 77 Butterfly Teg,w.m. 28 Bulgarious,smear. 78 Ascarid Egg ... ,w.m. 37 Fern Lesf-sorus,c.s. 87 Butterfly Antennae,w.m. 38 Pine Stem,l.s. 88 ...