94 



ANTHROPOID APES. 



Trinchese in the Annali del Museo civico di Storia 

 Naturale di Geneva (1870). The tip of the helix is 

 pointed in very young individuals of the gibbon 



species, especially in 

 HyJohates Lar. Among 

 the lower apes the 

 pointed ear is very 

 common (see Fig. 29). 

 The eyelids of an- 

 thropoids greatly re- 

 semble those of man in 

 their structure. In adult 

 gorillas and chimpan- 

 zees there is always a 

 semilunar fold (plica 

 semilunaris) correspond- 

 ing to the memhrana 

 nictitans, or third eyelid 

 of birds. In man there 

 exists, instead of this, only a rudimentary apparatus, 

 the earuncida lachrymalis. In son>e individuals it 

 attains to a considerable size, as I have observed in 

 the fellaheen, Berbers, Shillook, and other tribes. 

 On the other hand, the conversion of the caruncula 

 into a true, although only rudimentary, jplica semi- 

 lunaris has not been observed by me in the human 

 eye. Miklucho-Maclay describes the caruncula 

 in Melanesians (the Papuans of New Guinea), in 

 the Orang-Sakay (of the Malay peninsula), and in 

 the Mikronesiaus (of the island of Japan and of the 

 Palau archipelago), as two or three times as wide 

 as that of the average European.* 



* Eep(yrt of Anthropological Society, Berlin, March 9, 1878; 



Fig. 29. — Magot {Innuus ecaudatus). 



