Smit.Faces of Lorises

Lydekker, R. (1904) "On two lorises". Proceedings of the Zoological Society. Volume II. Plate XXIII.

Original caption:

Fig. 1. Head of Nycticebus tardigradus malayanus
2. Head of Nycticebus tardigradus hilleri
3. Head of Loris gracilis typicus
4. Head of Loris gracilis zeylanicus

Translation to modern nomenclature:

Fig. 1. Head of Nycticebus coucang coucang
2. Head of Nycticebus coucang coucang
3. Head of Loris lydekkerianus lydekkerianus
4. Head of Loris tardigradus