28- 



of crown and on opercles. Lateral line absent, (jillmembranes 

 free from isthmus and from each other. 



Fig. 74. Pscndoiiiugil gertrudae M. Web. 

 Male and the more spotted caudal of another male. 



Distribution: Freshwater of Queensland, N. S. Wales, 

 Aru-Islands and Southern New Guinea. 



Fig. 75. rscttdomug'il gertrudae M. Web. Female. 



Key to the indo-australian species of 

 P s e u d o m u g i 1. 



1. Origin of first dorsal well in advance of that of anal. 



Mouthopening small /'. gertrudae p. 283. 



2. Origin of first dorsal alaove or slightly behind or 



before that of anal. Mouthopening large P. novae-guhieae p. 284. 



1. Pseudomugil gertrudae M. Web. ') [Figs. 74, 75, p. 283]. 



Pseudomtigil Gertrudae Max Weber, Abhandl. Senckenb. Naturf. Gesellsch* 

 XXXIV. 191 1, p. 23. 



l) The specific name "■gertrudae'''' is wrongly changed by Jordan &■ Hubbs 

 (Monograph, review of Atherinidae, Stanford University Publications 19 19, p. 28) 

 in ''■srertrudel^\ 



