To stress the differences, I have consistently referred to Chaiya 

 Prakan as provenience of forms reported from the Mae Khong- 

 drained northeastern part of what is still officially known as Chiang 

 Mai. 



1 Chainat 



2 Sing Buri 



3 Lop Buri 



4 Sara Buri 



5 Ang Thong 



6 Ayutthaya 



7 Nonthaburi 



8 Pathum Thani 



9 Thon Buri 



10 Phra Nakhon (Bangkok) 



11 Nakhon Nayok 



12 Prachin Buri 



13 Samut Prakan 



14 Chachoengsao 



15 Chon Buri 



16 Rayong 



17 Chanthaburi 



18 Trat 



19 Chaiyaphum 



20 Nakhon Ratchasima (Khorat) 



21 Buriram 



22 Surin 



23 Khu Khan (Sisaket) 



24 Ubon 



25 Nong Khai 



26 Loei 



27 Udon Thani 



28 Sakon Nakhon 



29 Nakhon Phanom 



30 Khon Kaen 



31 Maha Sarakham 



32 Kalasin 



33 Roi Et 



34 Mae Hong Son 



35 Chiang Mai 



36 Chiang Rai 



37 Lamphun 



38 Lampang 



39 Phrae 



40 Nan 



41 Uttaradit 



42 Tak 



43 Sukhothai 



44 Phitsanulok 



45 Kamphaeng Phet 



46 Phichit 



47 Phetchabun 



48 Nakhon Sawan 



49 Uthai Thani 



50 Kanchanaburi 



51 Suphan Buri 



52 Rat Buri 



53 Nakhon Pathom 



54 Samut Songkhram 



55 Samut Sakhon 



56 Phet Buri 



57 Prachuap Khiri Khan 



58 Chumphon 



59 Ranong 



60 Phangnga 



61 Surat Thani 



62 Nakhon Si Thammarat 



63 Phuket 



64 Krabi 



65 Trang 



66 Phatthalung 



67 Satun 



68 Songkhla 



69 Pattani 



70 Yala 



71 Narathiwat 



