567. Egg WM/ VS D
568. Egg-2 celled VS D
569. Egg-4 celled VS D
570. Early cleavage TS or WM D
571. Late cleavage TS or WM D
572. Blastula VS or WM D
573. Gastula VS or WM D
574. Embryo D
577. Neutral fold stage VS/WM D
578. Yolk Plus stage TS D
579. Tadpole wm D
580. Tadpole buccalreg. TS D
581. Tadpole gill reg. D
582. Tadpole trunk reg. D
583. Tadpole head reg. D
584. Tadpole heart reg. D
585. Tadpole eye reg. D
586. Tadpole tail reg. TS D
587. Frog overy with eggs. D
588. Frog testis mature sperms D