Dendrelaphis caudolineatus (Gray, 1834)

D. caudolineatus View in CoL ( 4 ex.): Batjan: RMNH 887, Halmaheira RMNH 514, Sumatra RMNH 40206, and Sulawesi RMNH 40177.

D. caudolineolatus ( 12 ex.): Sri Lanka : NHMUK 68.2.17.19, and NHMUK 1946.1.23.21, and NHMUK 1858.2.17.19 ( syntypes), NMW 23725.3, WHT 1989, WHT 6502, NMW 23725, SMF 68226, and four uncatalogued specimens in NMSL.

D. effrenis ( 1 ex.): Sri Lanka : NMSL 2016.06.01 ( neotype).

D. oliveri ( 1 ex.): Sri Lanka : FMNH 123726 ( holotype).

D. schokari ( 3 ex.): Sri Lanka : RMNH 842 ( neotype), NHMUK 1969.2781, and one uncatalogued specimen in NMSL.

D. tristis ( 6 ex.): India: SMF 58442 ( neotype), Sri Lanka : NHMUK 1955.1.9.80, and four uncatalogued specimen in NMSL .

D. wickrorum ( 3 ex.): Sri Lanka : NHMUK 1905.3.25.98 ( holotype), NHMUK 1946.1.10.20 ( paratype), and one uncatalogued specimen in NMSL.

Appendix II. Characters used in the mutliple factor analysis (MFA). The abbreviations are defined in the

Materials and Methods.

Appendix III. Checklist of amphibians and reptiles of Maragala mountain. Abbreviations: LC – Least Concern, VU – Vulnerable, EN – Endangered, CR – Critically Endangered, DD – Data Deficient.

Appendix III (continued). Checklist of amphibians and reptiles of Maragala mountain. Abbreviations: LC – Least Concerne, VU – Vulnerable, EN – Endangered, CR – Critically Endangered, DD – Data Deficient. Appendix IV. Sri Lankan Dendrelaphis species distributions according to bioclimatic zones, along with their diversity and abundance. Zone abbreviations: WZ-L (wet zone lowland), WZ-S (wet zone submontane), WZ-M (wet zone montane), IZ-L (intermediate zone lowland), IZ-M (intermediate zone mountain), DZ-L (dry zone lowland), DZ-M (dry zone mountain), and AD (arid zone). Species abbreviations: D. bifrenalis (DB) , D. caudolineolatus (DC) , D. effrenis (DE) , D. oliveri (DO) , D. schokari (DS) , D. tristis (DT) , D. wickrorum (DW) , and D. thasuni sp. nov. (DA).