PLATE VI. 



1-17. Salenia varispina A. Ag. 



pj<r_ i Youn"- Saleiiia measuring 1.5 mm. (diameter of test), showing the fimbriated primary spines, 



and the plates of the anal system. 

 1' _- -j y, u > Salenia 3 mm. in diameter, seen from the actinal side. 



The same as Fig. 2, seen from the abactinal side. 

 Fig. 1. Inner view of the abactinal system of a Salenia 8 mm. in diameter. 



Part of actinal svstem, showing the imbricated plates in a young Salenia 7 mm. in diameter. 

 Fig. 6. Part of the abactinal system of a young Salenia 2 mm. in diameter, showing the indistinct 



lozenge-shaped arrangement of the primary striation of the test 

 Fig. 7. Actinal termination of one of the ambulacra] areas, showing the position of the sphoeridia and of 



one of the pairs of buccal tentacles of a Salenia 8 mm. in diameter. 



I itinal area, showing also tingle sphauidia near the actinal extremity in each of 



the anibulacral areas. 

 Fig. B. Magnified view of one of the pyriform sphxridia. 

 Fig. 9-11. Magnified views of interambulacral papilla?. 

 Fig. 12. Sessile papilla? of the anal system. 

 Fig. 13. Tube projecting beyond the genital opening. 

 Fig. 14. Young forked primary spines of Fig. 1. 



. ct-stemmed trifid pedicellaria of the actinal surface. 

 Fig. 10. One of the gills of a Salenia 8 mm. in diameter. 

 Fig. 17. Sessile papilla; of one of the genital plates of the abactinal system, covered with large pigment 



spots, and still showing the primary striation. 



Salenia Pattersoni A. A ; 



Fig. 18. Actim I bulacral area of Salenia 14 mm. in diameter, showing the gills, the imbri- 



cating plates, and cm' of the pairs of the buccal tentacles of the actinostome. 

 Fig. 10. Interambula c Salenia 14 mm. in diameter, showing the imbri- 



i plates of tin- actinostome and a pair of the large luteal tentacles, with comparatively 

 ; I he. 

 Fig. 20. Part 'if actinostome of another Salenia of nearly the same size : the granulation of the actinal 



arser. 

 Fig. 21. The hit posterior genital plate, showing the c 1 ition characteristic of the abactinal 



m of this species, with minute globular Bphseridia in the notches of the plati - 

 globular splixridia are. similar to the pair of small, short-stemmed spheeridia found at the 

 i il tentacles neai the 

 i test of Salenia 14 mm. in diameter. 

 Granulation i 



