jffEfl J Kershaw, Flinnatih* and Lacustrine Mvitutfii 55 



Darting:, Goiribonv Ynrra, and Tasmania, and PyotnhyridAh in the Plentlg- 

 TJut there is overlapping in the Central system* and 1/1 Tasmania. 



Suborder: DIOGENODONTA 

 Snpcrfamily ; SPH AERT \CIlA 

 Family; CORBICL : LIDAJ\ 

 CORMCUUN'A D.ill, Trans, Warmer Ffafr inst. 5a-, Pfulari. 3: 1449 



( Type; Corktaih oncost Prime.) 



10- CORBIOJUNA ANGASI (Pnme) 



1K64. emtj&si, Corbicula Prime, Jottrn, de Conch. 12; 151 PI. 7, fig. & 



1938- id Co>bi<-uitna Cotton & God/rev, ,1/<>//\ o/ S. Aust.,Pl.l,Pch'cvt>od>r. 



176 fig. i?y. 



1939. id- Corlnath, Gabiiel, Mew. Afaf. Mh$. Vict, hi : \2(x PI. 4, tie. 34. 

 1M$ Jit Cwhiculiua Ivefalr, At4S* /ooL 10 (i) \ 192. 

 Murray River. South-central to Western Victoria- 

 Family ; SPHArf RIIDAE 



SPHAEKINOVA Iredale, Lr.: IBS (1943). (Type Sphacriniit MOtyilLivmyi 



Smith.) 



11 SPHAERINQVA VICTOKIANA iredak 



1939- iCrSWWiiLMti. Sphacnutn Gabriel. I.e. : 127. PI. 4, fig. 35. 

 1943. viitorjaiw, Sptun'rinova Iredale, t-k-z 195. 



Southern Vkrtoua. 



12 SPDAEtUNOVA PROBI.EMATfC.1 (Gabriel) 



1939. prohirmnticum, Sphagnum Gabriel, if.. : 12H, Pi. 4, fijj. 36. 

 1943. id. tiphaemto^a Iredale, I.e.; 196. 

 Murray River, near Merbeirt. 



AUSTKALPERA Iredale, I.e.: 196 (1943) (Type: Pisitiiuvt ethmdyi 



Smith.) 



13. AUSTRALPP-RA ETHnRIDGft (Smith) 



1882. e.iheridctn, Pnlfiium Smith, Jourii. Unit, Soc. (Loud.) Zool, ir>' 306, 



PC 7, fig. 35. 

 1938, id. Cotton & God f rev. i.e.: 179, fc*. 182. 



1M5? ift Gabriel, I.e.: lfiD, PI. 4, % 37. 



1943. id. AttslralptTd %#ate, W ' 196. 

 1947. id. Pisitfium Gabriel $? Macpherson, Mem, A**?/. Jffcfr. FiV/. 15: 167. 



Van Yean Reservoir; Southern and Eastern Victoria, 



References to the work oi E. A. Smith and others not quoted above may 

 be found by reference to the. work of Iredale nr Gahrirl. 



1 am indebted to Dr. Tan Hiscock for some very useful notes on Australian 

 mussels, and to Dr. Donald MeMichacl for a copy of Ins paper from the 

 Nuutitus. 



COMMENTS ON DIATOMS 



(Summary of talk given by Mr. H. Barrett at the meeting of 

 the Microscopical Group of the F.N.CV. on June 20, 1956) 



These arc a. form of microscopic algae of the family Dintatttoceac. The 

 structure is not tinlike- a pill box, consisting oi an upper and a lower 

 valve and a connecting zone or girdle; the complete cell is called a frustule. 

 This has an internal and also an extern;*! mating nf gelatinous matter; it 



