— 67 — 



plurilobata, posticae interdum subobsoleta, mediaruni bilobata^ limbus se- 

 tis conieis obsitus. 



Species examinalw. 

 Chiton rugosus (Gray) Sowb. Ind. Occ. 

 „ Peruvianus Lam. Chili. 



„ gigas Chemn. Cap. Bon. Spei. 



Sect. 9. Eudoxochiton Shattl. 



(Acanthopleura Sect. *-{- Gray.) 

 Valvae transversje, externae ; lamina insertionis valvarum terminalium 

 flmbriatim plurilobata, mediarum finibriatim circa 6-Iobata; limbus setis 

 corneis brevibus obsitus. 



Species examinala, 

 Chiton nobilis Gray. Nov. Zealand. 



Sect. 10. Craspedochiton Shuttl 



Valvae transversae, externae j lamina insertionis valv» anticse pauci- 

 lobata, posticee medio fimbriata, mediarum profunde bilobata; limbus 

 corneus minutissirae asperulus. 



Species examinala. 

 Chiton laqueatus Reeve. Ins. Philipp. 



Sect. 11. Acanthopleura Gray ex parte. 



(Acanthopleura S«ct. ** Gray, et Corephium Gray.) 

 Valvae transversae, externae j lamina insertionis valvarum terminalium 

 plurilobata, posticae interdum subobsoleta, mediarum bilobata; limbus 

 aculeis corneo-calcareis inaequalibus interdum longissimis, vel parvis 

 subarenaceis hinc inde vel dense obsitus. 



Species examinalcB. 

 Chiton obesus Shuttl. (C. piceus Reeve, C. magnific. Gray). Australia. 



„ piceus Gmel. (C. occidentalis Reeve) Ind. occ. 



„ piceolus Shuttl. Ins. Canar. 



„ aculeatus L. (Corephium echinatum Gray). Chili. 



„ spinosus Briig. Ins. Philipp. 



„ scabriculus Sowb. Amer. centr. 



„ Californicus Nutt. California. 



„ pulcherrimus Sowb. Ins. Philipp. 



„ Polii Phil. Mar. medit. 



„ ruber (L.) Lowe. Mar.Britann. 



065. Die von Gray gegebene Beschreibung des Afterschildes von 



Corephium echinatum hat sich an meinen Exemplaren nicht 

 bestätigt. 



