Explanation of the Plates. 



Pl. I. 



Fig. 1. Adult female, viewed from above, magnified 114 diameters. 

 „ 2. Same, exhibited from left side. 

 „ 3. Anterior extremity of body together with the oral area, 



viewed from left side, and more highly magnified. 

 „ 4. Urosome and adjoining part of metasome, dorsal view. 

 „ 5. Right lateral expansion of genital segment, viewed from 



the ventral face, showing the seminal receptacle with its 



efferent duct; highly magnified. 

 „ 6. Spermatophore with accompanying plate, ventral view. 

 „ 7. Spermatophore isolated, highly magnified. 



Pl. II. 



Fig. 1. Anterior antenna of female. 



„ 2. Posterior antenna. 



„ 3. Anterior extremity of body, ventral view. 



„ 4. One of the frontal filaments, highly magnified. 



„ 5. Anterior and posterior lips, ventral view. 



„ 6. Mandible with palp. 



„ 7. Maxilla. 



Pl. III. 

 Fig. 1. Anterior maxilliped. 

 „ 2. Posterior maxilliped. 

 „ 3. Leg of Ist pair. 

 „ 4. Leg of 3rd pair. 

 „ 5. Extremity of outer ramus of same leg, showing the struc- 



ture of the terminal spine; highly magnified. 

 „ 6. Leg of 4th pair. 

 „ 7. Last pair of legs. 

 „ 8. Urosome and last segment of metasome from an immature 



female specimen, dorsal view. 



