274
L. G A L L I E N
FIG. 11. Second gnathopod of Orchestia gammarella. A, in an undifferentiated young
individual; B, in an adult female. Oostegite with marginal bristles: C, in an adult male;
D, in an intersexual male. 0., oostegite; P., propodite; 1., lobe with epicuticular ornamentation. (After Charniaux-Cotton.)
since the association of genital structures between the sexes is poor in
sex-reversed animals.
b. Reversal of Genetic Males to Females. This result has been achieved by
several steps. If the androgenic glands are removed from a male 0. gam-
L. G A L L I E N
FIG. 11. Second gnathopod of Orchestia gammarella. A, in an undifferentiated young
individual; B, in an adult female. Oostegite with marginal bristles: C, in an adult male;
D, in an intersexual male. 0., oostegite; P., propodite; 1., lobe with epicuticular ornamentation. (After Charniaux-Cotton.)
since the association of genital structures between the sexes is poor in
sex-reversed animals.
b. Reversal of Genetic Males to Females. This result has been achieved by
several steps. If the androgenic glands are removed from a male 0. gam-