210 ON NEW AHIPHIPODA FROM SINGAPORE AND NEW ZEALAND. 



gn. 1. First gnathopod. 



gn. 2. Second gnathopod. 



prp. 2. Second perseopod. 



prp. 4. Fourth pereeopod. 



ur. 3. Third uropods. 



T. Telson. 



Fig. B. Pherusa ccerulea, n. sp. 

 The full figure is given in lateral view, with a line below it indicating the natural 

 size. 



oc. Some of the ocelli. 

 a.s. One of the upper antennae. 

 a.i. One of the lower antennae. 

 l.s. Upper lip. 



m. Left and right mandibles ; the cutting-edges more highly magnified. 

 l.i. Lower lip. 

 nwc. 1. First maxilla ; the apical portion of the outer plate more highly magnified. 

 mxp. Maxillipeds. 

 gn. 1. First gnathopod. 



gn. 2. Second gnathopod ; finger and part of hand more highly magnified. 

 ur, 1, 2, 3. The uropods of the first, second, and third pairs respectively in connection 

 with the fourth, fifth, and sixth pleon-segments. 



