REFERENCE TO PLATES, VOL. XX. 



PLATE 1. 



FIGURE PAGE 



1, 2. Caecilioides acicula Mull. Specimens 9 



3, 4. Caecilioides a. hyalina Bielz. Specimens 15 



5-8. Caecilioides acicula, living. After Adams 2, 9 



9. Caecilioides a. eburnea Risso. After Bourguignat. . 10 



10. Caecilioides a. enhalia Bgt. After Bourguignat 11 



11, 12. Caecilioides liesvillei Bgt. After Bourguignat. . . 13 

 13, 14. Caecilioides a. uniplicata Bgt. After Bourguignat 15 



15. Caecilioides liesvillei Bgt. After Boettger 13 



16. Caecilioides a. nodosaria Bgt. After Boettger 12 



17. Caecilioides a. boettgeri Hesse. After Hesse 16 



18. Caecilioides a. aglena Bgt. After Bourguignat 16 



PLATE 2. 



20-22. Caecilioides actoniana Ben. Specimen. 25 



23, 24. Caecilioides petitiana Ben. Specimen 26 



25. Caecilioides aciculoides Jan. Malac. Val di Non 23 



26, 27. Caecilioides rizzeana Ben. Specimen 25 



28. Caecilioides gemmellariana Ben. Specimen 14 



29, 30. Caecilioides stephaniana Ben. After B.enoit 26 



31. Caecilioides gemmellariana Ben. After Benoit 14 



32, 33. Caecilioides nyctelia Bgt. Specimens. .. 7 



34, 35. Caecilioides maderensis Pils. Specimens 8 



PLATE 3. 



36. Caecilioides nanodea Bgt. After Bourguignat 21 



37-38. Caecilioides brondeli Bgt. After Bourguignat... 20 



39, 40. Caecilioides raphidea Bgt. After Bourguignat. . 20 



41, 42. Caecilioides lauta Paul. After Paulucci 24 



43, 44. Caecilioides letourneuxi Bgt. After Bourguignat 21 



45. Caecilioides tumulorum Bgt. After Bourguignat. . . 30 



46, 47. Caacilioides raddei Bttg. After Boettger 31 



48, 49. Caecilioides michoniana Bgt. After Bourguignat 32 



50. Caecilioides subsaxana Bgt. After Bourguignat. ... 31 



51. Caecilioides soleilleti Bgt. After Bourguignat 36 



52. Ca&cilioides ovampoensis M. & P. Ann. Mag. N. H. 36 



(325) 



