OIJVA.— Plate IV. 



Fig. 



38. HARPULARiA, 9, Lamh. — Hab. ? 



39,40. CuMiNGii, 15, Reeve. — Pearl Island; Bay of 

 Panama. 



41. TRDNCATA, 23, Marrat. — Cape of Good Hope. 



42,43. POLPASTA, 22, ZfjtfZos. — Veragua; Mazatlan. 



44. Bewleyi, 25, Marrat. — S. America. 



45. riGURA, 26, Marrat. — S. America. 



46,47, OLiVACEUS, 28, Meuschen; reticularis, Lamk. — 

 51-53. Hab. (51, 53) Aspinwall; Bermuda; (52) 

 with elongated spire. 



48-50. CvERULEA, 30, Bolten ; eiyiseoiialis, Lamk. — Aus- 

 tralia; Calcutta, etc. 



54, 55 BEtJNNEA, 24, Marrat. — Borneo, 

 (and 75). 



56. viOLACEA, 29, Marrat. — La Paz ; California. 



