"A, female gonophores of Athorybia rosacea on their common stem or gynophore: a, ovum; b, radial canals."…
"C, female gonophores: a, genital vesicle; b, vitellus; c, radial canals." -Whitney, 1911
"D, female gonophores, enlarged: c, radial canals; d, canal of manubrial cavity." -Whitney, 1911