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  1. No Access

    Article

    Sex Determination and Genic Balance of Ophryotrocha puerilis, a Hermaphrodite Polychaete Worm

    PURE male and female individuals were obtained from protandrous hermaphrodite strains of Ophryotrocha puerilis trough selection for the prolongation of the male phase and for the anticipation of the female phase....

    G. BACCI in Nature (1965)

  2. Article

    Existence of Multiple Sex Genotypes in the Hermaphrodite Polychaete Worm Ophryotrocha puerilis siberti

    IT was demonstrated in 1951 that Ophryotrocha puerilis shows a marked sex variability, as the age when each individual passes from the male to the female sex phase is highly variable. O. puerilis can thus be cons...

    G. BACCI, O. BORTESI in Nature (1961)

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  3. No Access

    Article

    Protogynous Hermaphroditism in Coris julis L.

    Coris julis L. and C. giofredi Risso have long been regarded as separate species, although Steindachner1 claimed julis to be the male and giofredi the female individuals of the same species. In the Bay of Naples...

    G. BACCI, A. RAZZAUTI in Nature (1958)

  4. No Access

    Article

    Sex Reversal in Patella coerulea L. and Diodora gibberula (Lam.)

    Crewe1 has recently discussed the possible influence of helminth parasites on sex determination in limpets. Following the earlier observations of Orton2, I have been studying the problem of sexuality in the Medit...

    G. BACCI in Nature (1947)