ClipArt ETC
"Daphnia. E., Eye; A.2, second antenna; A.1, first antenna; dg., digestive caeca; s.g., shell gland; go., gonad; h., heart in pericardium; o., ovum; B.p., brood-pouch; sp., spine; f., furca; s., setae; Ab., rudimentary abdomen; t., caudal fork; g., gut; 1-5, thoracic limbs." -Thomson, 1916

Daphnia

"Daphnia. E., Eye; A.2, second antenna; A.1, first antenna; dg., digestive caeca; s.g., shell gland;…