Abstract

1. The taxonomic position and history of C. Brownei has been described and compared with C. saltiana.2. The somatic chromosome number of C. Brownei has been determined to be 16, which is reported for the first time.3. The mitosis of the two species has been studied and their karyotypes analysed on the basis of morphology and length of the chromosomes and the position of the centromere. The differences between the two species have been pointed out.4. The identification of C. Brownei as separate taxonomic species has been confirmed on cytological evidences and it is suggested that the species should not be merged with C. saltiana.5. It has been further suggested that C. Brownei, is a relatively primitive species as compared to C. saltiana.

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