EXPLANATION OF PLATE XV. 



Figs. 1-13. Aphrorallhfes heatri.r. .T. E. Gray. 



Fio-. 1. A specimen seen from the side and a little from above. Nat. 

 size. After a photograph tal^en by Dr. von Miihrenthal. 



Fig. 2. Scopnle with four abruptly bent and strongly diverging dermal 

 branches. x 450. 



Fig. 3. Scopule with six club-shaped dermal branches, uniformly bent 

 outwards. x 450. 



Fig. 4. Dermal oxyhexactine with fir-tree-like distal, radial ray. x 450. 

 Fig. 5. Regular parenchymal oxyhexaster. x 450. 



Figs. 6 and 7. Parenchymal hemioxyhexasters with elongated axis. 

 X 450. 



Figs. 8 and 9. Rhabdose diactines with club-shaped, thickened ends. 

 X 150. 



Fig. 10. Scopule with four slightly diverging, straight dermal branches. 

 X 450. 



Fig. 11. Scopule with four slightly-abruptly bent, diverging dermal 

 branches. x 450. 



Fig. 12. Hemioxyhexaster with short main axis. x 450. 

 Fig. 13. Spined, parenchymal oxyhexactine. x 450. 



Fig. 14. Ajihrocallistes ramnsvs. F. E. Sch. 



Fig. 14. Lateral view of a specimen. Nat. size. After a photograph taken 

 by Dr. von Miihrenthal. 



