522 Mr. H. B. Preston on new 



rugose, with a thick shining rim ; under the microscope the 

 sides of the area show strong ridges, which are vertical, not 

 oblique; lateral margins of posterior truncation not sharply- 

 defined j tegnlie fulvous or rufo-fulvous. Wings clear, 

 stigma and nervures ferruginous ; outer nervures scarcely 

 weakened ; second s.m. broad below ; first r. n. meeting 

 second t.-c, or entering extreme apical corner of second s.m. 

 Legs black, the knees and apices of tibiae more or less pale 

 reddish; tarsi cream-colour, becoming pale ferruginous 

 apieally. Abdomen broad, shining, first two segments finely, 

 not densely punctured ; hind margins of segments A'ery 

 faintly, variably, reddish ; bases of second and following 

 segments with bands of pale tomentum, not always exposed; 

 apical plate very broad, dark. 



Hab. New South Wales, two specimens (Nat. Mus. 

 Victoria, 102). Closely allied to H. cldandi, Ckll., but 

 mesothorax and tarsi different. 



LX. — Neio Non-Marine Mollusca from Peru and Argentina. 

 By 11. B. Pkeston, F.Z.S. 



Amvionoceras jyebasensis, sp. n. 



hjliell small, depressedlj conoid, with somewhat tumid last 

 whorl and base, greenish yellow, polished, a little shining ; 

 wliorls 5, reguhirly increasing, the apical whorls smooth, the 

 remainder sculptured with fine, closely-set, somewhat wavy, 

 spiral strise crossed by transverse growth-plication ; suture 

 deejjly impressed, indistinctly margined below ; umbilicus 

 moderately broad, deep, well-like, occu|)ying about one-fifth 

 of the total diameter of the shell ; columella margin dcsceml- 

 ing somewhat obliquely, diffused above into a wcll-dcfiucd, 

 restricted, parietal callus which reaches to the upper nnirgiu 

 of the labrum ; labrum acute, aperture ovate. 



Alt. 3, diam. maj. 5, diam. min. 4"5 mm. 



Aj)erture : alt. 2*25, diam. I*?") mm. 



Uab. Torests about Pebas, Kio Maranon, N.E. Peru. 



Anunonoceras pucai/aensis, sp. n. 



Shell small, orbicular, very depressed, semitransparent, 

 vitreous, tinged with yellowish cream-colour and ]i.iinted 



