3209. Crustacea. 22 Color Photomicrographs. 1. Daphnia, water flea 2. Daphnia, ephippia 3. Cyclops, copepod with egg sacs 4. Cyclops, nauplius larva 5. Caprella, marine amphipod 6. Leptodora, cladoceran 7. Bythotrephes, cladoceran 8. Polyphemus, predaceou