REFERENCE TO PLATES. 245 



FIGURE. PAGE. 



3. Tethys viridescens Pse. (much reduced). Am. Journ. 



Conch., 94 



4,5. Dolabella tongaua Q. & G. (=ecaudata). Zool.Astrol. 158 



PLATE 26. 



26, 27. Dolabella scapula Martyn. After Rang 152 



28. Dolabella scapula Martyn. Zool. Samarang, 152 



PLATE 27. 



29, 30. Dolabella scapula Mart. Zool. Astrolabe, . . . . .152 

 31, 32. Dolabella elongata Sowb. C. Icon., 156 



PLATE 28. 



33, 34, 36. Dolabella hasselti, var. Zool. Astrolabe, . . . .155 

 35. Dolabella scapula Mart. C. Icon., 152 



PLATE 29. 



37-39. Notarchus lineolatus Old. U. S. Expl. Exped., . . .140 



40. Notarchus citrinus Rang. After Rang, .... ... 139 



41. Notarchus longicauda Q. & G. Voy. Uranie, 143 



42. 43. Notarchuslongicauda Q. & G. After Rang, . . . . 143 

 44. Notarchus quercinus Gld. U. S. Expl. Exped., . , 



45,46. Notarchus nudatus Rang. After Rang, 138 



47-49. Notarchus striatus Q. & G. Voy. Astrolabe, .... 141 



PLATE 30. 



1. 5, 6. Tethys punctata Cuv. After Rang, . . . . 70 



2. Tethys punctata Cuv. After Cuvier, .... 



3. Tethys punctata Cuv. After Philippi, . 



4. Tethys punctata Cuv. After Vayssiere 70 



7, 8. Tethys punctata Cuv. After Jeffreys, 70 



9-11. Aplysia marginata Phil. (==T. punctata Cuv.). After 



Philippi, "0 



PLATE 31. 

 12-15. Tethys ocellata Orbigny. Hist. Nat. Canaries, . 76 



PLATE 32. 

 16-19. Tethys dactylomela Rang. After Rang, .. ... 75 



