Fig. 489. — Heads of Nocturnal Animals 

 I, Hawk-Owl {Sumia ulula)', 2, 0'^W2lXio\. {Siringops habroptilnsy, 3, Slow Lemur {Nyciicebits tardtgradus); 

 4, Spectre - Tarsier {Tarsins spectnitn) ; 5, Night-Monkey [Nyctipithecits trivirgatus) '. 6, Egyptian Jerboa 

 {Dipus jaciilus) ; 7, Wall-Gecko ( Tarentola Maurita7iica) ; 8, Flying Frog [RJiacopkorus Reintivardti) ; 9, 

 Phosphorescent Sardine {Scopeius engraulis). 



310 



