198 ON THE NEW-GUINEA MAMMALS. 



Head and body (immature male) 540 mm., tail 340 mm.; 

 skull: basal leugth 84 mm., greatest breadth 45.5 mm. 

 It is known from eastern and south-eastern New-Guinea 

 and from the New-Britain group of islands (Thomas, 1. c. 

 p. 52). 'The name Thylogale has been created by Gray 

 in 1837. 



98. Dorcopsis Mülleri Schlegel. 



The type-specimens (in the Leydeu-Museum) are from 

 the Lobo-Bay, Southern ') Dutch New-Guinea, collected by 

 Muller and Macklot in 1828; other specimens in that 

 collection are from Northern Dutch N. G., Andai (von 

 Rosenberg), from Sorong, N. D. N. G. (Bernstein), from 

 Salawattie (Bernstein) and Misool (Hoedt and Teysraann); 

 in Wallace's collections there were specimens from the 

 latter locality; in the Genoa-Museum there are speci- 

 mens from Salawattie by Bruyn and from Sorong by 

 Beccari and d'Albertis. Head and body 825 mm., tail 

 500 mm.; skull: basal length 108 mm., greatest breadth 

 55 mm. 



99. Dorcopsis luctuosa d'Albertis. 



Smaller than Mülleri, ears larger than in that species. 

 It is much more variable in colour than Mfdleri, and 

 has therefore been made the base of several untenable 

 species (Thomas, Catalogue, p. 90). It is known from 

 Eastern and South-Eastern New-Guinea (extreme E. N. G. 

 by d'Albertis, type, and Aleya, S. E. N. G. by Dr. James). 

 Head and body 600 ram., tail 320 mm.; skull: basal 

 length 106 mm., greatest breadth 55 mm. (Thomas, 1. c. p. 90). 



100. Dorcopsis Hageni Heller. 



Based upon a single male and female collected by Dr. 

 Hagen at Stefansort, Astrolabe-Bay, German Eastern New- 



1) not Northern Dutch N. G., as in Thomas' Catalogue. 



Notes from the Leyden IMuseutn, Vol. XXVIII, 



