The local forms of Zootecus (Gastropoda: Pulmonata: Subulinidae) of Pakistan: an archaeomalacological case study

In the past, several Asian subspecies and local forms of Zootecus have been described and some of them can be linked back to Zootecus insularis.Their collecting sites, shell shapes, dimensions and number of whorls have WATER KILLER been listed in the past.In recent years, collections, observations and biometrics of dead shells have been carried out

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Hidden temporal order unveiled in stock market volatility variance

When analyzed by standard statistical methods, the time series of the daily return of financial indices appear to behave as Markov random series with no apparent temporal order or memory.This empirical result seems to be counter intuitive since investor are influenced by both short and long term past market behaviors.Consequently much effort has be

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