Plate 37 



Fig. 1. Helix hepatizon Gould. Near the mouth of the Gaboon River, Liberia. Holotype 



MCZ 169183. Height 20, width 33 mm. (1.7 x). 

 Fig. 2. Helix (Caracolla) anceps Gould. [Tavoy, Burma.] Lectotype MCZ 1(>9041. 



Height 11, width 20 mm. (2 x). 

 Fig. 3. Helix [Corilla] repercussa Gould. Mergui [Archipelago], Burma. Lectotype MCZ 



169336. Height 6, width 27 mm. (1.5 x). 

 Fig. 4. Helix indecorata Gould. Liberia. Lectotype MCZ 11573. Height 7, width 1 1 mm. 



(6.3 x). 

 Fig. 5. Helix talcosa Gould. Cape Palmas [Liberia]. Lectotype MCZ 147678. Height 9, 



width 8 mm. (4 x). 

 Fig. 6. Helix vultuosa Gould. Arkansas, Texas, near Corpus Christi and Galveston. Lecto- 

 type MCZ 169431. Height 5, width 10 mm. (6.8 x). 

 Fig. 7. Helix {Caracolla) pellucida Gould. Cape Palmas [Liberia]. Lectotype MCZ 



87936. Height 11, width 20 mm. (1.7 x). 

 Fig. 8. Helix infumata Gould. San Francisco, California. Holotype MCZ 169195. Height 



22, width 36 mm. (1.5 x). 

 Fig. 9. Helix labiosa Gould. Astoria and Fort George, on the Columbia River, Oregon. 



Possible Holotype MCZ 169210. Height 13, width 18 mm. (2.1 x). 

 Fig. 10. Helix devia Gould. Puget Sound [Washington]. Lectotype MCZ 169124. Height 



14, width 21 mm. (2.1 x). 

 Fig. 11. Helix cerea Gould. Cape Palmas [Liberia]. Lectotype MCZ 155994. Height 4, 



width 5.9 mm. (8 x). 



