104 
HANDY BOOK <)Y 
The peristome of the B, triquctrum is compact, and 
formed with great regularity. Five horn-like projections 
present two openings in each, and are curiously varied with 
transverse bands : they are apparently based on four short 
bee-hive-shaped protuberances, upheld by a circular foun- 
dation, with zigzag and banded embellishments. 
The peristome of the B. ventricosum presents a some- 
what different appearance, varied and yet similar. The 
three sharp pyramidical-shaped processes have a single 
opening each, while those of triquetrum are furnished with 
two ; they have, moreover, intermediate decorations, resem- 
Perls'ome. 
HRYV.M VENTIULOSUM. 
bling strings of upright beads. Observe the broad belt with 
its seeming scales, and the three unique terminations turned 
up at the base of each, after the fashion of a Chinese slipper. 
Ladies might derive from many a wayside moss, when 
highly magnified, hints for worsted work of no ordinary 
beauty ; those, also, who devise ornamental patterns for 
artificers of various kinds, might frequently discover elabo- 
