The following description is of Lacerta. The external organs of taste are completely lacking in Reptilia. The sense of taste is confined to the mouth only. Olfactory Organs: The olfactory organs are more complex than those of Anura. The nasal cavities open at the end of the snout by the external nares and into the cavity of the mouth by [...]
There are 11 species of the genus Uromastix inhabiting the desert regions of North Africa and North-Western Asia. Only one species, Uromastix hardwickii, is represented in India. It is found almost throughout North-Western India (Punjab, Haryana, Rajasthan, Uttar Pradesh) and Gujarat. It has not been reported from South India. It is also found in Sindh and Baluchistan in Pakistan. The [...]
The respiratory system of Uromastix consists of two main portions, viz., respiratory tract and respiratory organs. Respiratory Tract: The respiratory tract starts from the external nares. These are a pair of small oval apertures on the snout slightly above the mouth. On its inner side each naris possesses a prominent swelling of mucous membrane which serves as a valve to [...]