DISTRICTS; a I.XDIA: DIVISION 



^ 



o 



The following table shows more compactly the 



11 



this genus, with the number and 



districts that are delimited b} 



demic percentage of the species reported from 



each 



Table XI. 



Districts of S. E. Asia indicated 



the genus Gomiiiost] mm 



I 



Name. 



Political 

 components. 



Number of 

 species. 



Percentage 



endemic. 





1. S. E. China 



• • * 





2. Burma 



Kwanirtung, Fokien, 

 Hainan. 



Number of 



natural 



unite. 



I roenfnge 



endemic. 



1 



1000 





1 



Sinm, Shan Plateau, 



Pegu, Arracan, 



Upper Burma, S. "W. 

 Yunnan. 



i 



7 





•2 



lodO 









4 



•f<;8 



*3. Assam 



« • • 



4. Malay Isthmus 



§ • • 



Assam ranges, Brah- 



maputra 



valley, 



Eastern and Central 

 Himalaya. 



12 



621 



Martaban, 



Tavoy, 



Tenasserim ; Anda- 



mans. 





5. Malay Peninsula . 



Perak, PenaDg, Ma- 

 lacca, etc. 



9 









'-6 



3 



4 



6. Malay Archipelago... Java, Madura 



5 



837 



400 



•1 



88 4 



7. Philippines 



8. S.India 



Philippine Islands ... 

 Deccan, Carnatic 



1 



!6'6 



4 



7.V0 







100-0 



100-0 



• • • 



2 



J ■ - 





10( o 





By adding together such of these districts as give a markedly increased endemic 



percentage for the conjoined 



area 



» 



we 



obtain an approximation to the natural 



phytogeographical divisions of the area inhabited by the genu- 



with any of the districts 

 Andamans). 



that of the Malay Isth 



Tli 

 (T 



is no difficulty 



d th 



e 



By adding 



together Assam and Burma, we obtain an area yielding 14 



artificial species or 



10 natural units with ende 



percentag 



of 92-4°/ 



d 94-57 



If to this 



ijoint area we proceed to add Tenagserim, we obtain 



of 17 and 15 respectively, but reduce the corresponding endemic percentag 



total 



to 84-3% and 90°/ 



results which are clearly less natural than those obtained 



If 



on the other hand, we add Tenasserim 



excluding Tenasserim from Indo-China 



to the rest of the Malayan districts, we obtain totals of 12 and 7 respectively, with 



endemic percentag 

 Malaya, we red 



of 90-7% and 90-6°/ 



wl 



if 



elude Tenasserim from 



ages 

 annex 



of 



CT 



the Malayan totals to 10 and 6, with respective endemic percent- 

 77-7 / and 85%» obviously less natural results than those obtained by 

 Tenasserim to Malaya. 



