274 C. L. TURNER. 



EXPLANATION OF PLATES. 

 PLATE I. 



FIG. i. Diagram showing the three basal segments of the five walking legs and 

 the first two abdominal appendages with the second pair of abdominal appendages 

 turned back. Normal male. I., II., III., IV., V., walking legs; A Pi and AP2, first 

 and second abdominal appendages; H, copulatory hooks on third walking legs; 

 S, external openings of sperm ducts at base of the fifth walking legs. 



FIG. 2. Diagram illustrating the three basal segments of the five walking legs 

 and the first two abdominal appendages with the second appendage turned back. 

 Normal female. O, oviducal openings at the base of the third walking legs; AV, 

 annulus ventralis. Other explanations as in Fig. i. 



FIG. 3. Diagram illustrating the three basal segments of the five walking legs, 

 the first two abdominal appendages and the peculiar features described in specimen 

 number 10. Structures may be identified by the explanations in Figs, i and 2. 



FIG. 4. Diagram of three basal segments of walking legs and first two ab- 

 dominal appendages with other features peculiar to specimen number 9. 



FIG. 5. Diagram of basal segments of walking legs and first two abdominal 

 appendages with other secondary sexual characters shown in specimens i to 5 

 inclusive. 



FIG. 6. Diagram to illustrate the condition of the secondary sexual characters 

 in specimens 13 to 19 inclusive. 



