ANOMALURIDjE 



449 



infraorbital opening small (except in Anomalurus); mandible with 

 the angular part arising from the inferior surface of the bony 

 socket of the lower incisor ; clavicles well developed; fibula distinct. 



Fam ily Anomalurid.e. 



Arboreal forms, having their limbs connected by a cutaneous 

 expansion supported by a cartilaginous process arising from the 

 olecranon ; tail long and hairy, with large imbricated scales on its 



Fig. 197.— Anomalurus fulgens. From Alston, Proc. Zool. Soc. 1SV5. 



inferior surface near the root ; sixteen pairs of ribs ; no postorbital 

 processes on the frontals ; p \ ; molars not tuberculate, with 

 transverse enamel-folds. Confined to the Ethiopian region. 



Anomalurus, 1 with several species from West and Central Africa, 

 alone represents the family. The peculiar caudal scales, which 

 evidently assist the animal in climbing, and the position of the 

 cartilaginous support of the parachute, are well shown in Fig. 197. 

 All the species but two are from Western Africa ; A. arientalis occurs 

 near Zanzibar, and A. pusillus is from the equatorial regions of that 



1 Waterhouse, Proc. Zool. Soc. 1842, p. 124. 

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