146 LITTORINIDJ!. 



subvar. lutea. 



Fhilippi, I. c, fig. 11 [^not 6], Philippinex, and Canton ;=var. suturalh, Phim 

 lippi, I. c.fiff. 10 [not 7]; — var. rubra, Fhilippi, I, c, for Chemnitz* 

 jig. 2075, Canton and Philippines. 



3 Mauritius ; coll. G. Nevill, Esq. 



1 Katchall, Nicobars ; coll. F. A. de Roepstorff, Esq. 



All young, indifferent specimens ; they may not be L. scabra 

 at all. 



subvar. tenuis, nov. 

 12 Arakan; coll. H. F. Blanford, Esq. 



Remarkably thin, spire rather short, last whorl ventricose, 

 with keel not much developed, aperture unusually large ; 

 occasionally has some varices behind the peristome. 



Long. 31, diam. 22 mil. 



42. Littorina intermedia. 



Littorina intermedia, Philippi, Proc. Zool. Soc, 1S45, and Abb., pi. V, 

 figs. 6 — 9 InotSto 11] ; Red Sea, Natal, Australia, Philippines, Tahiti, 

 Elizabeth Island, and Mergui ; Reeve, fig, 101 ["t^pe"'] ; Madagascar, 

 fide Martens ; Suez, fide McAndreio. 



6 Navigators' Islands and Kingsmill Group; coll. H. Pease, Esq., and 

 Dr. C. E. Tonnerre. 

 100 Andamans, Nicobars and Maldives [26f, 17? !], Ceylon, Kathiawar, 

 Singapore, Arakan, and Fenang; coll. F. Stoliczka, J. Wood-Mason, 

 G. Nevill, and P. Fedden, Esqrs., and ex c. Asiatic Soc. Bengal. 



2 Cape; ex c. G. Nevill, Esq. [in bad condition]. 



4 Auuesley Bay ; coll. W. T, Blanford, Esq. 



var. strigata. 



Littorina intermedia, var. strigata, Philippi, Abb. pi, V, figs. 7-9, Mergui 

 [iiot L. strigata, Lischke]. 



12 Nagasaki ; coll. R. Hungerford, Esq. [13i 8f]. 



Only differs fi'om the Indian Ocean form by the columella 

 being throughout stained of a dull purple colour, instead of 

 being white with a brown edging. 



