138 



range of habitation to be limited to warm climates^ cliiefly the islands 

 of the Eastern Archipelago, Austraha, and New Zealand, two species being 

 found in the Mediterranean, and one or two in the West Indies, Mexico, 

 and Cahfornia. 



1. argyrostoma, Linn. 



2. articulatus, Reeve. 



3. canaliculatus, Gmel. 



4. Cliemnitzianus, Heeve. 



5. ckrysostoma, Linn. 



6. cidaris, Ghnel. 



7. circularis, Reeve. 



8. coraUinus, id, 



9. cornutus, Gmel. 



10. coronatus, id. 



11. crassus, Gray. 



12. crenulatus, Gmel. 



13. fluctuatus, Reeve. 



14. gemmatus, id. 



15. histrio, id. 



16. imperialis, Gmel. 

 1 7 . Japonicus, Reeve. 



18. Joiu'dani, Kiener. 



19. Lajon'kairii(Z)e/^7/.),D. 



20. laminiferiis, Reeve. 



Species. 



21. lugubris, Reeve. 



22. magnificus, Jonas. 



23. margaritaceus, Linn. 



24. marginatiis, Nuttal. 



25. marmoratus, Linn. 



26. mihtaris, Reeve. 



27. murreus, id. 



28. Natalensis, id. 



29. Nicobaricus, Gmel. 



30. iiiger. Gray. 



31. nivosus, Reeve. 



32. petholatus, Zj?2m. 



33. pica, ^£?. 



34. porcatus, Reeve. 



35. porphyrites, Gmel. 



36. pulcher, Reeve. 



37. pustulatus, ^<7. 



38. pyropus, «V/. 



39. radiatus, Ginel. 



40. rubicundus, Reeve. 



41. rugosus, Xzww. 



42. sanguineus, id. 



43. sarmaticus, ^(?. 



44. saxosus. Reeve. 



45. setosus, Chnel. 



46. smaragdus, ^(^. 



47. sparverius, id. 



48. speciosus, Reeve. 



49. Spenglerianus, G^ne/. 



50. spinosus, Reeve. 



51. squamiger, ^¥. 



52. tessellatus, Kiener. 



53. Ticaonicus, Reeve. 



54. torquatus, GW^. 



55. Troclioides, Reeve. 



56. Tursicus, «W. 



57. uudidatus, Cliemn. 



58. variabihs, Reeve. 



59. versicolor, i^?. 



Figure. 



Turbo petholatus. PI. 13. Fig. 65. 

 structure and rounded aperture. 



Shell, showing its bold tubular 



Genus 8. TROCHUS, Linnaus. 



Animal ; similar to that of Turbo. 



Shell ; conical, pyramidal, more or less flattened beneath ; whorls 



rather depressed, mostly angled at the periphery ; columella 



arched, margins disjoined, lip simple. 



Having spoken freely of this genus and its affinities under the head of 

 Turio, it only remains to notice the great variety and detail of sculpture 



