TIAEA. 29 



prominent, almost varicose, eight of them on the last whorl, 

 disappearing towards the base ; very pale green, with no markings 

 except a subobsolete brown band at base." (Nevill.) 



Fig. 1. Tiara (Melanoides) jugicostis, Bens. (type). 



Alt. 12, diain. 6 mm. 



Hob. Tenasserim Biver {Conch. Ind.} ; Myadoung, Burma 

 (Nevill). 



47. Tiara (Melanoides) godwini (Broi). 



Melanoides hanleyi, Godwin-Austen, P. Z. S. 1872, p. 514, pi. 30, 

 fig. 2 (as Melanoides} ; H. & T., C. I. pi. 110, fig. 5. 



Tiara (Melanoides) godwini (Brot), in Conch.-Cab. 1875, p. 90, 

 pi. 10, fig. 3. 



Original description : Shell turreted, colour rich dark chestnut- 

 brown ; spire rather acuminate, rapidly decreasing ; apex eroded ; 

 suture impressed but slightly, but strongly marked ; whorls 5 

 (without the apical), flat, sharply angular above with a single row 

 of well-defined small tubercles on the angular margin ; body-whorl 

 large, well rounded below, distinctly corded at base near the 

 columellar margin ; aperture vertical, ovate, very slightly effused 

 at base ; within pale grey, with three or more red-brown bands. 



Alt. 47,diam. 25 mm. 



Aperture: alt. 22, diatn. 12 mm. 



Hob. Diyung Eiver, North Cachar Hills. 



Subgenus PACHYCHILUS. 

 PacJiychilus, Lea, P. Z. S. I860, p. 179. 



TYPE, P. cumingii, Lea [as gen. n.] ; Central America. 



Range. "W. Indies ; C. & S. America ; Tropical Asia. 



Original desertion:- Testa conica. Apertura ovata, basi 

 integro. Labrum crassum. Collumella superhe incrassata. 

 Operculum suborbiculare, corneum. 



48. Tiara (Pachychilus) limborgi (Hanley}. 



Tiara (Pachychilus) limborgi (Hanley), Journ. Linn. Soc., Zool. xiv, 

 1878, p. 580 ; Nevill, Hand List, pt. 2, p. 269. 



