110 



6. MiCROPERCA Tasmania, nov. sji. Native Freshwater 



Perch. 

 D. 8:1-7-8. A. 3 8. Y. 1-5. L. lat. 28 - 30. 

 L. tr. 12. P. 13. 

 Body compressed. Length of head equal to depth of body 

 at shoulder, and contained in total length four times. 

 Prasoperculum not serrated. Scales relatively large 

 ctenoid. Eye large, nearly as broad as length of snout ; 

 the latter contained in head four times ; dorsal deeply 

 cleft ; the first spine slightly pointing forward when erect ; 

 situated immediately over the posterior extremity of pec- 

 toral ; the second and third spines longest. Anal com- 

 mencing in a vertical line, scarcely in advance of the first 

 spinous ra}^ of second dorsal. The second dorsal and the 

 anal soft rays gradually increase in width, the last two or 

 three being of equal length, and nearly half the height of 

 the body. Caudal peduncle somewhat elongate. Caudal 

 truncate. Colour dark olive, with a pinkish streak along 

 the sides from shoulder to tail. Base of dorsal, anal, and 

 caudal pinkish, with blackish margins. Belly silvery, 

 tinged with gold. Eye dark blue, with golden streak 

 around eye-ball. Abundant in the rivers of the South 

 and North Esk. The young are found in large numbers 

 in the shallow lagoons having connection with the rivers 

 during some portion of the year. Length, 3 inches to 

 3| inches. 



7. Lates colonorum, Giinth. (A.) BrachlsJi-water Perch. 



D. 8:110. A. 3-8. L. lat. 55. L. tr. 8 : 21. 

 3Iacl. Cat., 2. George's Bay (Swan). 

 I have seen one specimen from Anson's Lagoon. This 

 species is said to be abundant in the fresh and land-locked 

 brackish waters of the North-east Coast, particularly 

 Anson's River. (Swan.) 



8. Apogon Guntheri, Cast. (A.) 



D.7:l-9. L. lat. 26. L. tr. 11 - 12. 



Cast. Proc. Zool. Soc. Vic, L, p. 46. Allp. MS. 



{NovcB Hollandice.) Macl. Cat., 91. 



Rare. Considered by ^Ir. ^lacleay that it may be identical 



with Yal., A. Novce HoUandicB. 



9. Arripis truttaceus, Cuv. and Val. (A.Z.) The Native 



Salmon."^ 

 D. 9:10-17. A. 3: 10. L. lat. 48 -52. L.tr.6:12. 



C?ec. pvlor. 50. 

 (A. salar, Rich.) Giinth. 'Cat., I., p. 253. Allp. MS. 

 Macl. Cat, 112. 

 Young entering estuaries in ' great numbers. Abundant all 

 the^^ear round. The young are spotted and barred. The 

 markings disappear in mature individuals. {A. salar.) 

 10. HiSTioPTERL'S RECURviROSTRis, Rich. (A.) BoGT Fifh.* 

 D.9:15. A. 3 10 -11. Y. 1 : 5. P. 18. L. lat. 130. 

 Rich. Yoy. Erebus and Terror, p. 84. Cast. Proc. Zool. 

 Soc. Yic, I., p. 109. Allp. MS. Macl. Cat., 156. 

 Captured occasionedly in the Derwent. 



