On Australian }f urines hitherto referred tj '' .Mu>." GO.'J 



Sastrayala versicolor, sp. n. 



Head, pronotura, and coriuin virescent ; lateral pronotal 

 aiif;;l{'s and apical margin of corinm black; posterior mar- 

 ginal area of pronotuni and the scutellum castancous brown ; 

 scutellum with a large discal cordate ochraceous spot; body 

 beneath and legs virescent or ochraceous, probably altogether 

 virescent in fresh specimens ; head with the lateral lobes 

 transversely wrinkled ; antenn:u greenish ochraceous, first 

 joint passing apex of head, second a little shorter tiian third, 

 which is almost subequal to fourth, apex of fourth infuscate, 

 fifth mutilated iu type ; pronotura somewhat sparingly 

 punctate, on basal area the punctures distinctly coarser, the 

 lateral angles somewhat longly subspinously produced and 

 distinctly recurved ; scutellum thickly punctate, the ochra- 

 ceous spot inipunctatc, extreme apex ochraceous and im[)unc- 

 tate ; corium thickly punctate ; membrane hyaline, distinctly 

 passing the abdominal apex ; apical margin of abdomen above 

 black ; rostrum slightly passing posterior coxae ; mesosternal 

 process not passing anterior margin of prosternum nor 

 between the intermediate coxaj posteriorly produced ; abdo- 

 minal spine produced between the posterior coxae; abdomen 

 beneath centrally longitudinally ludged. 



Long. 11 mm.; exp. pronot. angl. 7^ mm. 

 . Hab. Queensland {F. P. Dodd, Brit. Mus.). 



LXIV. — The Generic Arrangement of the Australian Murines 

 hitherto referred to " Mus." By OldfIELD Thomas. 



(Published by permission of the Trustees of the British Museum.) 



TiiK recent separation by ^Ir. G. S. Miller* of the J/f/s 

 musculus group as a special genus, and the use of the name 

 Epimys for other rats previously called MuSy makes it a 

 ])re33ing task to determine what restricted genera exist in 

 Australia and what their names should be. For to start 

 with calling them all Kpimi/s and then later on to have to 

 change their names again would be most inconvenit-nt, so 

 that an immediate revision is called for. There is also a 

 .special reason for the Australian forms being sorted, as 

 among them occurs the type of " Pstudomi/s,^' a name actually 



* P. Biol. Soc. Wash, xjciii. p. 57 (U>10>. 



40* 



