A Review of Microhydromys (Rodentia: Murinae), with Description of a New Species from Southern New Guinea Author Helgen, Kristofer M. Author Leary, Tanya Author Aplin, Kenneth P. text American Museum Novitates 2010 2010-03-04 3676 1 22 http://www.bioone.org/doi/abs/10.1206/632.1 journal article 10.1206/632.1 0003-0082 5358232 Microhydromys argenteus , n. sp. (3 localities) 5. Papua New Guinea , Southern Highlands Province : Mt. Sisa ( 5 Mt. Haliago, circa 06 ° 09 9 S , 142 ° 45 9 E ), southern slopes, 1450 m (AM M14166 , skin and skull). Dwyer (1990) and Leary and Seri (1997) provided a map and other relevant information for Mount Sisa; see also Dwyer (1983 , 1984 ) and Plowman (1983) for commentary regarding this site’s ecological context. 6. Papua New Guinea , Gulf Province : 10 km northeast of the village of Faia ( 7 ° 08 9 S , 143 ° 37 9 E ), 380 m , Darai Plateau ( UPNG 4310 , fluid specimen). See below and Leary (2004) for more detailed discussion about this site . 7. Papua New Guinea , Central Province: Sirinumu Dam (Lake Sirinumu), 550 m , Sogeri Plateau (BBM-NG 60202, skin and skull). This is the type locality of M. argenteus , n. sp. Lake Sirinumu is a manmade reservoir ( Chambers, 1987 ); for other information on the area see also Aplin et al. (in review) and Berra et al. (1975) .