392 Ehrenberg: Verbreitung und Einflufs 



LXXII. 465LlTBODEliMATIUM bicon- 



cavum Stratford Conn., Wrentham Mass. 



466 — fasciatum New -York. 



467 — macrostom.Quilo. 



468 — Ossiculum Smithfield Rhodes I. , Andower Mass. 

 (= Thylacium Oss. 1841) Wrentham Mass. 



469 — undulatum Stratford Conn., Smithfield Rhodes I. 

 LXXIII.470 Lithodontium 5/co7-neNew-York. 



471 — Bursa Brasilien, Caraccas Venez. — Fig. T. I. 



iv. 12. II. m. 8. 



472 — curvatum New -York, Andower Mass. , Spencer 



Mass. 



473 — furcalum Chile, Cayenne, Surinam, Real delmonte 



Mexico, San Micjuel Mexico, Vera- 

 Cruz Mexico, New -York, Newhaven 

 Conn., Smithfield Rhodes I., Boston 

 et Wrentham Mass. , Maine , Kotze- 

 bue's Sund. — Fig. T. I. n. 38. II. i. 

 52. II. ii. 39. 40. in. i. 51. III. in. 14. 



474 — nasutum Cayenne, Surinam, Guiana angl., Vera- 



Cruz Mexico, New -York, Stratford 

 Conn., Smithfield Rhodes I., Ando- 

 wer Mass., Spencer Mass. — Fig. T. 

 II. i.54. II. ii. 41. 



475 — platyodonWrentham Mass. 



476 — Pthombus New -York. 



477 — rostralwiCayerme, Guiana angl., Wrentham Mass. 



- Fig. T. II. i.51. 



478 — scabrum Kotzebue's Sund. 



479 — truncat. Brasilien, Cayenne. — Fig. T. II. i. 53. 

 LXXIV. 480 Lithosphaera Argus Vera-Cruz Mexico. 



481 — didyma Vera-Cruz Mexico. 



482 — osculata Vera-Cruz Mexico. 



483 — ovata Vera-Cruz Mexico. 



484 — renifbrm.V era-Cruz Mexico. 



