BY R. ETHPZRIDGE, JUNK., AND JOHN MITCHELL 507 



described a new and remarkable trilobite from tlie Bombala Dis- 

 trict of New 8outh Wales, probably of Silurian age. The 

 material used by Dr. Woodward, for his description of this new 

 form, was brought under his notice by one of us (Etheridge), but 

 no specimen of the above has since been seen. 



(jlenus N o T A s A p H u s J. W. Gregory, 1903. 

 (Proc. Roy. Soc. Vict., xv. (N.8.), Pt. ii., 1903, p.l55). 

 Prof. J. W. Gregory described one form of this new genus 

 under the name Notasaphus feryusoiii. This is unknown to us 

 as a New South Wales species. 



Genus C Y P H A s P I s P)urmeister, 1843. 

 (Organ. Trilobiten, 1843, p.l03). 

 Cyphaspis lilydalensis Chapman. 

 Cyphdspis HJydalennis Chapman, Proc. Roy. Soc. \'ict., xxviii. 

 (N.S.), Pt. i., 1915, p.l63, PI. xix., fig. 6, and PI. xvi., fig. 19. 



Wilson "s Quarry, near Lilydale, Victoria. Not known to occur 

 in New South Wales. 



Genus P It o E T u s Steininger. 

 (Mem. Soc. Geol. France, i., p.35o). 

 Proetus (Forbesia) euryceps McCoy. 

 Forbesia euryceps McCoy, Prod. Pal. Vict., Dec.iii., 1876, p. 17, 

 PI. xxii., figs.lO, 10a. 



Proetus euryceps Chdi^m'AX]., Proc. Roy. Soc. Vict., xxviii. (N.S.), 

 Pt. i, 1915, p.l61, PL xiv., fig.4. 



Not known to us from New South Wales. 



EXPLANATION OF PLATES XXIV.-XXVII. 

 Plate xxiv. 

 Calymene australiff E. & M. 

 Fig. 1. — A nearly perfect specimen, except for the absence of the free 

 cheeks, showing the four lateral glabella-furrows, and the nodules 

 of the axial rings very distinctly. 

 Fig. 2. — An almost perfect cephalon, showing the four lateral furroMs of 

 the glabella, position of the eyes, facial sutures, and the normal 

 outline; (.slightly less than natural size). 

 Fig.3. — Another cephalon with the free cheek in position, exhibiting well 

 the pig-snouted labruni, etc. ; (reduced). 



