REVISION OF THE GENUS MALURUS, 
dentalis although the former was described as very much darker 
than the latter. It is even possible that mungi is based on a 
specimen of M. dulcis, for the type locality (Mungi) is in very 
different country to that inhabited by mastersi and there is no 
other record of lamberti in that part of north-west Australia. 
Malurus ( M .) lamberti bernieri Grant. 
Malurus bernieri Grant, Bull. Brit. Orn. Club, 23, p. 72, 1909 ; Bernier 
Island, Western Australia. 
Range . — Bernier Island, Western Australia. 
M easurements . — 
Wing Tail Exposed Culmen Tarsus 
2 males . . 45^8 70-62 9-9-5 20-21 
2 females . . 46^16 57-69 9 21 
Subspecific characters . — Differs markedly from all other forms in the much 
deeper colour of head, ear-coverts, upper back and tail ; similar to mastersi 
only in the lighter upper aspect of wing and in almost entirely lacking buff 
colour on flanks. Forehead smalt blue deepening to blue-violet on nape, which 
is also the colour of the upper back ; car-coverts and feathers around eye 
ultramarine blue ; tail dark delft blue. Upper surface of female mouse grey. 
This is an easily recognised race, markedly different from 
mastersi on the adjoining mainland. It appears to be confined 
to a single island on the coast of Western Australia. 
v 
Fig. 2 — Distribution. 
5 Malurus ( Malurus ) lamberti lamberti; 5a M.(M.) 1. assimilis . 
5b M.(M.) 1. mastersi; oe fti.{M.) 1. bernieri; 6 Malurus ( M .) 
am ah ills amabilis ; 6a M.(M.) a. c.larus ; 7 Malurus {M.) dulcis > 
8 Malurus (M.) elegans ; 9 Malurus (M.) pulcherrimus. 
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