OMISSIONS, 103 
Scalaris, A, Ad. var., passing into N. sequijorensis, A. Ad. 
Passing from N. sequijorensis small forms into the N. 
planicostata and micans, A. Ad, 
Passing into narrow forms of N. ravida, A. Ad. 
Ravida, A. Ad., passing into N. marginulata, Lam. 
N. oriens, Marr. 
N. celata, A. Ad. 
N. sinensis, Marr. 
Small N. splendidula, Dkr., resembling the costate variety of 
N. incrassata, Miill., No. 126. 
A broad form, resembles the N. variegata, A. Ad. 
A white variety of N. reticosa, A. Ad.,is about one quarter of 
an inch long. S. Archer, Singapore. 
Candens, Hinds, a variety with two folds at the base of the 
columella, shell a quarter of an inch long, and narrow. 
columella much less expanded than in the large form. 
Of medium size. 
Quadrata, Marr., covered with a grayish-brown epidermis. 
= cremata, Reeve (not Hinds). S. Archer, Singapore. 
Ravida, A, Ad., in form, but smooth ribbed. 
More elongated than N. ravida, A. Ad., with curved ribs) A 
very beautiful form. 
Sequijorensis in fourm, but smooth ribbed. 
not half the usual size, yellowish-brown with darker 
bands, and a broad stripe of white behind the lip below 
the coronated suture, 
Marginulata, Lam. variety, with the first two rows of granules 
divided ; it has also a groove dividing the granulesat the 
sutures, 
with the back of the body-whorl smooth (young). 
Ventricosa, Lam. Anim. Sans. Vert., vol. 10, p. 168. 
Kine. Meth., pl. 494, f. 4. (Desmoulea, H. & A. Ad.) 
= rufula, Kien. {Not Reeve.) 
Between N. costata and sinusigera, A. Ad. The small 
varieties pass into sinusigera, and the large into costata. 
Sinusigera, A. Ad., passing into the N. fraudulenta, Marr, 
showing an alliance with the N. concentrica, Marr 
U 
strongly grooved in the interstices between the ribs 
. 
callous spreading in front, 
allied to the small, smooth ribbed form of N, 
incrassata, Miill. 
a variety of the colour and texture of N, marginulata, 
Lam, 
