158 I'niversify of Micliigan 



PLATE XXI 



Variation in Ctrion uva honairensis 

 Scale and arrangement as in Plate XA^III. For extremes, see 

 Table XIV. 



Figs. A1, B2, 3 from Station B9. 



Fig. A2, the type of form Iralendijk, from station Bl. 



Figs. A3, Bl from station B2. 



Figs. Ai, C2, D3, E3 from station B4. 



Figs. B4, C5 from station B7. 



Fig. B5 from station B8. 



Figs. CI, 3, D2, F2 from substation B3a. 



Figs. C4, Do, 6 from station Bb7. 



Figs. Dl, 4 from Klein-Bonaire (Kl). 



Figs. E2, 4-6, F3-6 from station B5. F6 is the t^-pe of bonairensis. 



