Calamaria gervaisii hollandi Taylor, 1923 Holland’s Reed Snake Calamaria gervaisii Fischer, 1885:80 (part).— Marx and Inger, 1955:180; 1965:106 (part).— Smith, 1993:97.— David, Pauwels, Lays, and Lenglet, 2006:214.— Beukema, 2011.— Wallach, Williams, and Boundy, 2014:134 (part).— Sanguila, Cobb, Siler, Diesmos Alcala, and Brown, 2016:89, fig. 64. Calamaria hollandi Taylor, 1923:550.— Marx and Inger, 1955:202. TYPE LOCALITY AND TYPE SPECIMEN (S) .— Port Holland, Basilan Id., Philippines. Holotype: CAS 60471 (formerly EHT 1255). PHILIPPINE DISTRIBUTION (ENDEMIC) (Map 6A [p. 117]).— Basilan, Mindanao (Prov.: Agusan del Norte, Bukidnon, Davao City, Davao del Norte, Lanao, Maguindanao, Misamis Oriental, Zamboanga City). CONSERVATION STATUS [IUCN] .— Only reported as C. gervaisi, Least Concern [2016] ver. 3.1. ; Published as part of Leviton, Alan E., Siler, Cameron D., Weinell, Jeffrey L. & Brown, Rafe M., 2018, Synopsis of the Snakes of the Philippines A Synthesis of Data from Biodiversity Repositories, Field Studies, and the Literature, pp. 399-568 in Proceedings of the California Academy of Sciences (Oxford, England) (Oxford, England) 64 (14) on page 423, DOI: 10.5281/zenodo.11512589