156 Transactions. — Zoology. 



The winter plumage is as follows : Above ashy-brown, the 

 centres of the feathers darker ; rump and upper tail-coverts 

 white ; tail ashy-brown, with a subterminal bar of dusky, the 

 feathers with white shafts and fringed with white. Under- 

 surface pure -white, with tiny lines of dusky-brown on the 

 sides of the face, sides of the neck, and lower throat and fore- 

 neck. 



Art. XVI. — O71 the Anatomy of Paryphanta fumosa, Tenison- 



Woods. 



By E. Murdoch. 



[Read before the Wellington Philosojyhical Society, 17th December, 1903.] 



Plate VI. 



Vitrina fumosa, Ten. -Woods. Proc. Lin. Soc. N.S.W., iii., 

 p. 124, pi. xii., figs. 3, 3a. 



V. fumosa, Ten. -Woods. Petterd, Monograph, "Land Shells 

 of Tasmania," 1879, p. 51. 



To the kindness of Mr. Charles Hedley and Mr. W. F. 

 Petterd I am indebted for an example of this rare species. 

 The specimen under notice was collected and identified by 

 Mr. Petterd, the original discoverer of the species. It was 

 gathered at Mount Farrell, north-west Tasmania, and is 

 certainly one of the rarest members of the genus Paryi^hanta. 



The shell (figs. 1 and 2) is subglobose, imperforate, exceed- 

 ingly thin, shining, of a dark-olive lint, and without sculpture. 

 Whorls 3, rapidly increasing in size. The spire small, lightly 

 convex, and scarcely elevated above the body- whorl. Proto- 

 conch consists of about If whorls, ligliter in colour and 

 apparently devoid of sculpture. Sutures impressed. The 

 lines of growth on the body-whorl are minute, somewhat 

 irregular, and have a slightly criniped appearance at the 

 suture. Aperture broadly ovate and slightly oblique to the 

 axis of the shell. Columella sliort, curved, and very lightly ex- 

 panded. Outer lip slightly projecting at the suture. The um- 

 bilical area slightly impressed. Alt., 10 mm. ; lat., 13'5 mm. 



The shell, with the exception of llie apical whorls, appears 

 to consist almost completely of conchin, and in tliis respect it 

 resembles certain of the New Zealand species — e.g., P. iinmla, 

 Pfr. 



The animal is, unfortunately, very much contracted, hard, 

 and difiicult to handle. It is black or blue-black in colour, 

 somewhat ligliter posteriorly. The ruga3 on the sides of the 

 body and neck are large, irregular in shape, and do not 



