FROM BORNEO. 117 



plate 3, fig. 2, half-grown, N°, e of the «Catalogue ostéologique". 



plate 4, fig. 2, » » » » » » » 



plate 3, fig. 3, adult male, N°. g » » » » 



plate 4, fig. 3, » » » » » » » » 



From these photo's every one can study the well developed 

 nasalia, promineut in all ages, and that the nose is much 

 more developed, longer and broader in a foetus of Nasalis 

 larvatus of 8 cm. than in the most adult specimens of Rhinopi- 

 thecus Roxellana or Bietil In the mentioned small foetus 

 the external opening of the nose is not yet divided by a 

 partition, the larger foetus has this part more pronounced, 

 meanwhile the partition is in the adult male strongly 

 developed ; at the same time showing the anterior part 

 of the nose of the latter (seen from below) a hollowing 

 or excavation, and another from the partition to the upper- 

 lip. The nose is well covered with hair, much more than 

 I ever saw in other monkeys ; very striking is the covering 

 of the nose of the adult male with numerous alone standing 

 hairs which are rather short, strongly contrasting with the 

 very long hairs on the cheeks which are standing in re- 

 gular rows, each row consisting on 4 or 5 hairs. 



Remarks. That not a single author ever has consulted 

 the original description of the Proboscis-Monkey, but they 

 all followed the easier but worse way of transcribing, may 

 appear if we ask the name of the first describer, the book 

 in' which it has been described and its indigenous name; 

 we find the latter as Kahau, Kakau, Cabau and Kabau; 

 the author's name Wurmb, van Wurmb^ Wurmhs and 

 Vurmhs] and the book entitled: » Mémoires de Batavia", 

 » Mémoires de la Société de Batavia", » Memoirs of the 

 Society of Batavia", »Batav. Genootsch. Verband." or 

 » Verband. Batav. Genootschap". However the worst of all 

 is that, although some authors call the book by its right 

 title, they invariably — I know no exception — agree in 

 citing T. 3, 1781, p. 145'); and as T. 1 has been pu- 



1) Prof. ScWegel once mentioned: 2de druk, D. 3, bl. 207. 



Notes from the Leyden Mluseum, Vol. !XX!III. 



