186 THE LAND SNAILS 
same time, from the sides as well as from the ends, and 
the colony be broad and sedentary, instead of long, nar- 
row, and progressive. 
EXPLANATION OF PLATE 5. Cristatella ophidioidea Hyatt. 
Fig. 1. Magnified view of one Polypide, isolated, showing at E (above) 
is reduced in this genus to a circular constriction, and devoid of the 
muscles marked N', in preceding plates. Z, clear spaces in the wall 
of the arm. O, the bases of muscles which move the tentacles ; the 
upper portions of these are seen in Fi 
Figs. 2, 3, and 4. Upper and lower side, sä profile view of the stato- 
blast. W’, horny sheath; W’’, annular sheath; W, spines, only 
eight and five pairs of these are figured, there are in nature twenty- 
two short and thirty-two long spines. 
Fig. 5. View of intestine with upper part of stomach and lower part 
of throat in the background. K, throat; K’, stomach; K”, intes- 
tine; K, anus. 
e 
THE LAND SNAILS OF NEW ENGLAND. 
BY EDWARD 8. MORSE. 
HELIX nonransis Maller... (Fig. 16.) Shell nearly 
globular, smooth, shining, yellow. Whorls five, convex, 
Fig. 16. spire somewhat elevated, suture at extrem- 
ma ity of last whorl curved toward the aperture. 
Lip slightly reflected, white, and having a 
2 thickened margin within the shell; the re- 
J flected condition of the lip disappearing at 
. a the on of the shell. Aperture rounded; umbilicus ab- 
. sent. The base of the shell is quite convex. Specimens 
are so found with one or more brown bands re- 
volving with the whorls. Animal blackish, tinged with 
o — ws dise inky; ni Ty flesh-color. 
