644 RHIZOPODS OF SYDNEY AND LISMORE, 



reticulations, just slightly rough with irregular granulations, 

 ridges and minute depressions, shape very often irregular. 



Length 72-74, breadth 47-58, urif. 25-27/x. 



Botany (17;; Botanic Gardens (3): Centennial Park (133): 

 Lismore (308). 



Var. SUBGLOBOSA, n.var. (Pl.xxxv., f.5). 

 Test proportionately very short, subglobose. Size 57 x 44: 

 orif. 25/x. Lismore (333). 



DlF^LUGIA LOBOSTOiMA Leid\'. 



Length 60-100, breadth 40-82: orif. 15-38/x. 

 Auburn (47); Guildford (23); Botany (144, 152); Casino (189): 

 Lismore (188). 



V^ar. TRUXCATA, n.var. (PI. xxxv., f.6, 7). 



Test smaller than usual, ovate or subglobose, truncate below, 

 the orifice being invisible in side-view and generally a little 

 smaller than the base. Orifice, as in the type, slightly and often 

 irregularly 3-4 lobed. 



Length 55-67, breadth 49-59, base 23-38/y.. 



Everywhere, common. 



Var. GLOBULUS, n.var. (PI. xxxv., f.8, 9). 



Test almost exactly spherical, with truncate base turned out 

 into a slight rim. Orifice, as in the type, of 3 or 4 irregular 

 lobes; the margin, how^ever, often with a regular edging of Hints. 



Length 63-76, breadth 59-72, base 32-36/x. 



Botany (152); Lismore (337). 



Of. D. lobos'onia b, Levander, Wasserfauna, p. 16, T. i., f.lO, 11 

 (out of sea-water). This beautiful form counterfeits the best 

 specimens of D. globulus Ehr. The test, as also in the type (but 

 not, I think, in var. truncata), is often just a clear, chitinous 

 bubble, with segregated Hints studding the surface. Orifice 

 never more than 4-lobed. 



DiFFLUGlA GitAMEN Penard. (Pl.xxxv., f.lOj. 

 Length 53-68, breadth 42-60, base 21-38; orif. 19-22/x. 

 Clyde, Duck Creek (7 4); Botany (50;; Lismore (308, 316, 333j. 

 Our specimens are small, ovate or subglobose, truncate in 



