28 



HARDWICKE'S SCIENCE-GOSSIP. 



|Eeb. 1, 1870. 



portions, and ]on its upper aspect is a pair of feet. [ ing one of the four faces of a turret clock. These 

 jaws, which are I articulated into the front of the \ ocelli may be well made out with a power of 80 or 

 thorax. They are armed with chelae and usually I 90, and are perhaps best seen when viewed in pro- 



Fig. 36. Achelia hispidata, x 16. 



laid parallel on the head, the chelae being bent 

 down at right angles, so as to cover the orifice of 

 the mouth when in a state of rest. The antenna; 

 are in this species entirely absent. 



Fig. 37. Pallene pygma-a, ventral aspect, showing false 

 feet for attachment of ova, x 30. 



On'the front of the thorax, immediately behind 

 the head, is a little tubercle carrying four simple 

 eyes, set at right angles to each other, and remind- 



file by reflected light, under which they gleam like 

 points of burnished silver. 

 The trefoil-shaped mouth opens into a narrow 



Fig. 38. Pallene ■pygmaa, dorsal aspect, x 30. 



oesophagus, by which the food is conducted to the 

 gizzard, situate in the posterior 'part of the head, 

 near its junction with the thorax. This organ 



