70 VARIETIES OF NASSA. 
There are many shells in this genus which present greater changes 
throughout their series of varieties than we find to have taken place 
between N. glans and all its varieties occurring in series to 
N. papillosa. 
N. glans, Linn. 1154 N. papillosa, Linn. 
Variety ee N. reticosa, J. Sow., and vars. 150° Var 
media, Dun- in rib-like 
ker. \ rows. 
Var. cutis | 1156 Var. semi- 
Lam. nodosa, A. Ad. 
Var. strongly hi 1157 Var.smooth, 
nated,as large as glossy, papille 
the figure of glans slightly raised. 
in Reeve, pl. 1,f. 5. /1158 Var. colour 
Var. upper whorls \ / rufous brown, apex 
costate, suture as in | / pink. 
glans, but coronated. \ 1159 Var.an elongated 
Var. granules at then form intermediate be- 
suture numerous, ir- \ bween N. hirta and 
regular in size, all the \ seminodosa. 
Re ele beeen dare aise \ ‘1160 Var. coronated at the 
Saas sutures, slightly ribbed at 
\ the back, smooth and 
Var. strongly ribbed and \ shining in front, passing 
coronated. \ / into N. glans. 
Var. uniting N. hirta and\ / 1161 Var. papille becoming 
hee | / — obsolete. 
euutralie. \ / 1162 Var. hirta, elongated, ribs 
Var. hirta, almost smooth. \/ somewhat granular, 
N. hirta, Kien. 
