146 LITTORINID^. 



subvar. lutea, 



Vhilippi, I. c, fig. 11 [not 6], Philippines, and Canton ; = var. sufuralis, Phi* 

 lippi,l.c.Jig.lO\not 7'}; = var. rubra, Philippi, I. c, for Chemnitz* 

 fig. 2075, Canton and PJdlippines. 



3 Mauritius ; coll. G. Nevill, Esq, 



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



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

 at all. 



subvar. tenuiSj 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, Pliillppi, Proc. Zool. Soc, 1845, and Abb., pi. V, 

 figs. 6 — 9 \_not8to ii] ; Red Sea, Natal, Australia, Philippines, Tahiti, 

 Elizabeth Island, and Mergui ; Reeve, fig. 101 [" tgpe "] ; Madagascar, 

 fide Martens ; Suez, fide Mc Andrew. 



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

 Dr. C. E. Tonnerre. 

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

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

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



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



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



var. strigata. 



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

 [not L. strigata, Lischkel. 



12 Nagasaki j coll. R. Hungerford, Esq. [13i 8f J. 



Only differs from the Indian Ocean form by the columella 

 being throughout stained of a dull purple colour, instead of 

 being' white with a brown edging. 



