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not to the side arm plates. The arms are flat on the ventral side, 
arched on the dorsal side. The tentacle pores are small, without 
tentacle scales. The first armjoint without spines; from the second 
joint there is a short, broad, flattened spine close to the tentacle 
Figs, 12 Part of ventral and dorsal side of disk and arms of 
Astrocharis gracilis. 15/4. 
Pore (in the one arm in Fig. 2 it is wanting at one of the pores); 
byg about the 8th—10th joint there are two armspines, having 
€ same character; the outer one is a little smaller. In the outer 
kig mg ma they become slightly prominent (Fig. 4), and to- 
In the H u pen of the arm they assume the shape of hooks (Fig.5). 
Ured js ast joints only the lower spine is developed ; the one fig- 
the 6th from the point. The terminal plate is a simple 
