— 76 — 



Hab. St. Thomas, Blauner ! 



Obs. Spcciraina duo habeo. Colon intus extusque intcnse laterltlo- 



luber. Affinis sequenti sed sculptura, colore et testa nihuis 



elongata satis dilfert. 



9. Chiton [Ischnochiton] erythroiiotus C. B. Adams. 



„Testa parva, subelongata (convexa, non carinata), flavido- 

 alba, (dorso) irregulariter rubro-maculata^ areis lateralibus costa- 

 tis , costis nodulosis; areis dorsi (sulcato-} striatisj margine 

 (flavido-albido, cincreo maculato) squamuloso." ex Adaras. 



Lon^. 13; Lat. 6 millem. (ex specira.) 



Syn. Chiton erylhronolus C. B. Adams Proc. Bost. Soc. 



1845. p. 9. 

 Hab. Jamaica, C. B. Adams j St. Thomas et Portorico, Biauner! 

 Obs. Specics pulchclla, testa albida macuüs parvis sanguinels in 



linea dorsaii vivide notata, et sculptura distinguenda. Speci- 



mina 3 vidi. 



10. Chiton [Ischnochiton] lutulatus Shutll. n. sp. 



Testa parva, elliptice-ovata, convexa, antice subangustata, sor- 

 dide olivacea, albo-raaculata^ valvis terminaJibus inipresso-punctatis, 

 versus marginera irregulariter concentrice subcostulatisj mediis non 

 carinatia: areis dorsalibus eximie et regulariter impresso-punctatis j 

 areis lateralibus vix elevatis impresso-punctatis et versus marginem 

 flexuose et irregulariter transverse plicatulis. Limbus olivaceus et 

 albido maculatus, squamulis parvis applanatis onustus. 



Long. 12; Lat, 5 millem. 

 Hab. Portorico, Blauner! 

 Obs. Sequenti affinis, sed angustior, sculpturaque niagis regulari. 



Specimen unicum accepi, an igitur mere varietas? 



11. Chiton (Ischnochiton) squaniulosus C. B. Adams. 



„Testa olivacea, linea pallide virente dorsaii (saepe) ornata; 

 areis lateralibus squamulis inaequalibus prostratis obtectis; areis 

 dorsi mediis sublavibus, punctato-striatis 5 margine Qimbo) exile 

 squamuloso alternatim cinereo-virescente (luteo, aurantiaco), vi- 

 ridique." ex Adams. 



Long. 17j Lat. 9 millem. (Specimina majora.) 



Syn, Chüon squamulosus C. B. Adams! Proc. Bost. Soc. 



1845. p. 8. 

 Hab. Jamaica, C. B. Adams!; St. Thomas, Blauner! 

 06s. Magnitudlne, colore, et pictura valde varlansj occurrit inter- 



dum pallide cinereus, serie dorsaii duplice macularum atro- 



