44 



ESSAY ON CLASSIFICATION. 



Part I. 



the second place, the geographical distribution is noticed. But it is at once apparent 

 that the home of these animals stands in no relation whatsoever to their zoological 

 arrangement. On the contrary, the most remote genera may occur in the same 

 country, while the most closely related may hve far apart. 



GENERA ^ynB. four legs. 



With Jire toes to the fore feet, as 

 well as to the hiud feet: 



Tropidophorus, 1 species, Cocliin-China. 



Scincus, 1 sji., Syria, North and West Africa. 



Sphenops, 1 sp., Egypt. 



Diplofflossiis, 6 sp., West Indies and Brazils. 



AmpMylossus, 1 sp., Madagascar. 



Gongylus, with 7 sub-genera : 



Gongylus, 2 sp., Southern Europe, Egypt, Teneriffe, Isle de France. 

 Eume.ces, 11 sp., East and AVest Indies, South America, Vanikoro, 



New Ireland, New Guinea, Pacific Islands. 

 Euprepes, 13 sp.. West coast of Africa, Cape of Good Hope, Egypt, 

 Abyssinia, Seychelles, Madagascar, New Guinea, East Indies, 

 Sunda Islands, Manilla. 

 Plestiodon, 5 sp., Egj'pt, Algiers, China, Japan, United States. 

 Lygosoma, 19 sp., New Holland, New Zealand, Java, New Guinea, 



Timor, East Indies, Pacific Islands, United States. 

 Leiolopisma, 1 sp., Mauritius and Manilla. 

 Tropidolopisma, 1 sp.. New Holland. 

 Cyclodiis, 3 sp.. New Holland and Java. 

 Trachysauriis, 1 sp.. New Holland. 



Ablep/iarus, 4 sp., Southeastern Europe, New Holland, Pacific Islands. 

 With Jive toes to the fore feet and four toes to the hind feet : Campsodactyhts, 1 sp., Bengal. 

 With foxir toes to the fore feet and f Heteropus, 3 sp., Africa, New Holland, Isle de France. 



five toes to the hind feet: [ Gynmophihalmus, 1 sp., W. Indies and Brazil. 



With four toes to the fore feet and ( Tetradactylus, 1 sp., New Holland. The genus Chalcides of the allied 



four toes to the hind feet: | family Chalcidioids, exhibits another example of this combination. 

 With four toes to the fore feet and three toes to the hind feet : No examples known of this combination. 

 With three toes to the fore feet and four toes to the hind feet: Not known. 



C Hemiergis, 1 sp., New Holland. 



With three toes to the fore feet and 



, , , . , „ \ Sens, 1 sp., S. Europe and N. Africa. 



three toes to the hmd feet: j 



( Nessia, 1 sp., Origin unknown. 



With three toes to the fore feet and two toes to the hind feet: Not known. 



With two toes to the fore feet and f Heteromeles, 1 sp., Algiers. 



three toes to the hind feet : [ Lerista, 1 sp.. New Holland. 



With tivo toes to the fore feet and two toes to the hind feet : Cheloweles, 1 sp., New Holland. 



With two toes to the fore feet and one toe to tlie hind feet: Bracltymeles, 1 sp., Philippine Islands. 



With one toe to the fore feet and two toes to the hind feet : Brachystopiis, 1 sp.. South Africa. 



With one toe to the fore feet and one toe to the hind feet : Evesia, 1 sp., Origin unknown. 



