2 MR. G. D. HAVILAND: REVISION OF THE NAUCLEEX. 
in very many characters rather than in one or two of supposed 
importance. Whilst on this view a perfect classification is im- 
possible, the object of classification is most easily defeated by the 
introduction of a number of different classifications, and most 
easily attained by using only one. I have also assumed that rules 
of priority were made to help, and not to hinder; if they were 
exactly followed, Uncaria would be Ourouparia, Sarcocephalus 
would be Nauelea, Nauclea would have to be renamed, and 
probably Mitragyna would be Mamboga. 
NoMENCLATURE. 
I have used the word “ Malasia" to denote the islands of the 
Malayan region, including the Peninsula, the Philippines, aud 
the Moluccas, but excluding the Nicobars and New Guinea. If 
with Mt. Kinabalu, the highest mountain in the region, as centre, 
and with an are of 15 degrees as radius, a circle be described 
on the surface of the earth, it will cover almost all the region, 
with the exception of the northern end of Sumatra, but will 
include, in addition, Cambodia, Cochin China, and Hainan. 
I have used the word “ Malpina" to denote the Malay Peninsula 
as far north as the Isthmus of Krah at a latitude of 10°, thus 
excluding Tenasserim and the Mergui Archipelago. "There are 
objections to the word Malaya: it has been and is often used 
to denote portions of the Malay Peninsula; but it is at present 
used in the Kew Herbarium to denote an area which includes 
New Guinea and Tonquin, but excludes the Malay Peninsula. 
“Orang Malayu ” is the term by which a race of trading and sea- 
faring people know themselves; their headquarters are on the 
coasts of the sea separating Sumatra on the west from Malpina 
and Borneo on the east, but they spread along the coasts of 
other islands almost as far as to New Guinea ; and Malaya is on 
that account not a good word to use in an exact geographical 
sense. 
In his ‘ Species Plantarum,’ ed. i. (1753), Linnsus refers to 
plants of this Tribe under the name of Cephalanthus. He gives 
two species: Cephalanthus orientalis, * foliis oppositis," and C. oc- 
cidentalis, “ foliis oppositis ternisque.” The latter comes from 
North America ; he had mentioned it in his * Genera Plantarum,’ 
and the name is still used. The’ former unfortunately included 
more than one kind of plant. The first plant to which Linnzus 
