278 ME. E. A. SMITH O'S THE 



52. Phtsa maegikata, Kuster. (Plate YI. figs. 1-2, after 

 Kiister.) 



Physa marginata, Kuster, Con.-Cab. p. 10, pi. ii. figs. 1-2. 



Physa novse-hoUaudise, Anton, Verzeichn. p. 49. no. 1/89. 



" PA. testa elongato-ovata, acuminata, nitidmseula, striata, pel- 

 lucida, tenuiuscula, corneo-lutescens, vertice obscuro ; anfractibus 

 6, convesiusculis, -ultimis marginibus rufis ; apertura semiovata ; 

 columella alba, uniplicata." Length 22 millim. 

 Rab. JSTew Holland {Koch). 



53. Physa atjstealis, Koch. (Plate VI. figs. 7-8.) 

 Physa australis, Kuster, Con.-Cab. ed. 2, p. 9, pi. i. figs. 15-17. 



" Ph. testa oblongo-ovata, subdiapliana, Isevi, nitidiuscula, 

 lutescens; spira exserta, obtusa ; anfractibus subito majoribus, 

 convexis; apertura ovata, alba, peristomate acuto, iutus sublabiato; 

 columella recta, subplicata." 



BLal}. West Australia. 



Spire almost half tlie length of the shell. Lip with a thin 

 ■white thickening Avithin. The figures now given are copied from 

 Kuster. 



54. Physa Ludwigii, Krauss. (Plate VI. figs. 9-10, after 

 Kuster.) 



Physa Ludwigii, Kuster, Con.-Cab. p. 21, pi. iii. figs. 14-16. 



" Fh. testa irregulariter ovata, ventricosa, diaphana, tenera, 

 corneo-lutescens ; spira elongata, turrita, acuminata ; anfractibus 

 6, subito accrescentibus, convexis, ultimo superne subplano ; aper- 

 tura oblonga ; columella subconcava, alba, peristomate simplice, 

 acuto, intus sanguineo-limbato." 



Sai. New Holland. 



Peculiar for its pointed spire and the flattened upper part of 

 the body-whorl. 



This species may hereafter be identified with P. giblosa. If 

 so, the latter name must be abandoned. The figure of P. Ludwigii 

 appeared in Lieferung 47 of the ' Conchylien-Cabinet,' published 

 in 1844 ; but the description was not given until 1850, in the 

 ninetieth part. Gould's description appeared in the Boston 

 Soc. Nat. Hist. Proceedings for 1847. 



55. Physa gibbosa, Gould. (Plate VI. figs. 3-6.) 



Physa gibbosa, Gould, Proc. Boston Soc. Nat. Hist, vol.ii. lS47,p. 214 ; 

 id. Wilkes's Explor. Exped., Atlas, fig. 137; Otia Conchol. p. 42; 

 Sowerby, Con. Icon. fig. 27. 



