LITTORINID^. 165 



Sent as F. sandwichensis. Possibly it may be F. 

 costatus, Pease, P. Zool. S. 1860, from the Sandwich Islands ? 

 Long. 3f , diam. 4 mil. 



10. Fossar, sp. 



1 Locality ? ; ex o. Colonel G. B. Mainwaring. 



11. Fossar, n. sp. 



1 Bombay ; coll. Eev. S. B.Fairbank. 



Long. 3J, diam. 2 mil. Like the preceding, but with raised 

 spiral striation, instead of incised lines ; close to F. trochlearis, 

 but umbilicus less open and denned, sculpture finer, &c. 



12. Fossar mirabilis, n. sp. 



2 Arakan (type) ; coll. Dr. F. Stoliczka. 

 Long. 1J, diam. [vix.] 1J mil. 



A most remarkable form of rather thin substance, of two 

 whorls only ; spire not raised at all, completely hidden in front 

 by the last whorl, which in shape resembles that of F. torna- 

 tilis, it is girt with five acute and raised spiral keels, there 

 being no transverse sculpture whatever ; umbilical region well 

 defined ; peristome fimbriate. 



13. (?) Fossar imperforatus, n. sp. 



1 Penang (type) ; coll. Dr. F. Stoliczka. 



Long. 3f , diam. 2J mil. 



Whorls 2J, spire scarcely raised, apex obtusely flattened ; 

 longitudinally, flexuously, distantly ribbed ; ribs more or less 

 obsolete, and towards the base, closely and coarsely spirally 

 striated ; impcrforate, of rather solid texture. Can scarcely be 

 a sp. of VaniJcoro. 



14. Fossar, sp ? 



2 Andamans ; coll. Captain R. C. Temple. 



15. Fossar, sp ? 



3 Hongkong ; coll. B. Hungerf ord, Esq. 



