EXPLANATION OF PLATE II. 



Fig. i. — Ova of Malacosoma castrensis. x 3-g diameters. 



Fig. 2. — Ova of M.franconica. x 3^ diameters. (Supplied by M. Gillmer.) 



Fig. 3. — Ova of M acrothylacia rubi. x 5 diameters. (Continental ova 

 supplied by Dr. T. A. Chapman.) 



Fig. 4. — Ova of Saturnia carpini (pavonia). x 5 diameters. 



See p. 59. 



