WRIGHT 



I' ^^^'"^^^^^^J^l Rana sylvatica. both masses globular; upper mass not fullv expanded 



2. Egg-mass of Rana pipiens, plinth-like, not globular, as in Figs i and 4 '^^P^"^''^- 



4 pf S'^'f ' ""* Chorophilus triseriatus. Several such bunches laid bv one female. 



4. Egg-masses of Rana palustns. Globular mass, frequently in tiers' 



5. Egg-mass of Rana clamata. A surface film among vegetation 



