80 HELICID^. 



136. Helix (Planispira) pilidion, Benson. 



2 Pegu; ex c. As. Soc, Bengal. 



4 East of Moulmein ; coll. Dr. F. Stoliczka. 



1 Tenasserim ; coll. A. Davison, Esq. 



4 Cambodia; ex c. A. Morelet, Esq. 



^ 137. Helix (Planispira) cestus, Benson. 



6 Sylliet (type) ; ex o. As. Soc, Bengal. 



20 Assam ; coll. Major H. H. Godwin-Austen and ex c. Dr. T. Oldham, 

 and Dr. P. Stoliczka. 



, 138. Helix (Planispira) liolus, Benson. 

 [ = ff. tourannensis, Soul.j 



80 Pagan, Ponsee, Sanda ; coll. Dr. J. Anderson. 



7 Thyet Myo ; ex c. Dr. F. Stoliczka. 

 7 Locality ? ; ex c. As. Soc, Bengal. 



4 Cochin-China : ex c. A, Morelet, Esq. 



Sub-Genus TBOCEOMOBPHOIDES,nov., (type H. acris). 



Helix eonulus, Dr. Ed. von Martens, from Sumatra is a third 

 species of this interesting and distinct sub-genus. 



139. Helix (Trochomorphoides) acris. Benson. 



6 Naga Hills ; coll. W. Roberts, Esq. 



9 Khasi Hills; coll. Major H. H. Godwin- Austen. 



4 Dafla Hills ; coll. Major H. H. Godwin- Austen. 



140. Helix (Trochomorphoides), n. sp. 



1 Buket Pondong, Perak; coll. Dr. Edmond Townsend. 



Sub-Geuus ACAVUS, Mtf. (type 3. Immastoma). 



' 141. Helix (Acavus) hasmastoma, Linn. 



30 Ceylon ; coll. H. F. Blanford, Esq., and G. Nevill, Esq. 



, 142. Helix (Acavus) melanotragus, Born. 



10 Ceylon j ex c. G. Nevill, Esq., and H. F. Blanford, Esq. 



,143. Helix (Acavus) superba, Pfeiffer. 



7 Ceylon ; coll. Hugh Nevill, Esq. 



144. Helix (Acavus) grevillei, Pfeiffer. 



3 Ceylon; coll. Hugh Nevill, Esq. 



