HAMINKA. 



//. crocata r>r... P. /. S. I860, p. 19 (except descr. of animal) ; /. 

 '. p. 4'\'2 (descr. of animal). SOWB., Conch. Icon. f. 29. MAIM IN- 

 A LANGK, Donum. Bism., p. 52. ANGAS, P. /. S. 1877, p. 189. 

 II. .,,1.i,Hs',i DKR., Mai. Bl. viii, p. 40, 18(51 ; rf. Mai. Bl. xxi, p. 4t. 



Angas reports this from Lake Macquarie, N. S. Wales. 



Animal : Cephalic disk square, oblong, in advance of the shell, 

 slightly notched at the center of the front side, at the posterior side 

 provided with a pair of flat, rather broad, recumbent lobes, which 

 are rounded at their extremities ; lateral lobes reflected on the sides 

 of the shell two-thirds of its length ; foot extending beyond the shell 

 posteriorly, and rounded at its termination. Color cinereous; pel- 

 lucid. (Pe.)- 



II. GALBA Pease. PI. 40, figs. 1, 2. 



Shell oval, light, shining, yellowish; marked with longitudinal 

 lines of growth, and finely microscopically spirally striated; outer 

 lip nearly straight, and very slightly produced posteriorly ; inner lip 

 thickened somewhat at the base, and slightly reflected ; columella 

 strongly arched at lower part. (Pse.}. 



H. fjalba PSE.. P. Z. S. 1860, p. 432. Desc. of animal under //. 

 Pse., t. c., p. 20. SOWB., Conch. Icon., f. 23. 



The shell of this species can hardly be distinguished from that of 

 H. crocata ; but the animal differs widely. (P*e.'). 



Animal : Cephalic disk large, oblong triangular, enthv in front 



and truncated, bilubed posteriorly and lobes overlapping; lateral 



- reflected on the sides. of the .shell during locomotion, covering 



al< 'in one-half of its length, and nearly meeting on the back ; poste- 



terior lobe covering the spire; foot subquadrate, extending a short 



distance beyond the shell posteriorly ; eyes central, immersed, black ; 



surrounded by white areolae ; color of the animal varying from grey 



yi-h-yellow and in some nearly to black, being closely mottled 



ami freckled with olive or dusky. 7'xe.). 



II. ITMI.I.A Pease. Unfyured. 



Shell small, cylindrically ovate, rather solid, white ; surface finely 

 llatel: apex slightly nmbilicated or perforated : aperture nar- 

 row, r'.ntracted p<>teri"i ly. >liirlit fold at ba.-e of rolumella. < /' 



hr'n-h Is. 



JI.j, Pftl , P, / 8, IMJO, p. 20. 



