The Voyage of HM.S"Challenfcei 



- 5 a, 



Polyplacoptiora. PI III 

 J fT"V"v 



.Hon del 



F Huth.:.: - 



5a-5i,LEPID0PLEURUS DORSUOSUS.nsp. 6a-6i,LEPID0PLEURUS DALLII, n sp. 7a-7e,CHITONMURRAYI,n.sp. 

 8a- 8g, PLAX1PHORA CAR PENTE R I , n sp. 9 a - 9m, CRYPTO PLAX STRI AT U S, Lamarck I0a-I0 m, CRYPTO PL AX OCU LATU S, Quoy & Gaimard. 

 Ila-llm, CRYPTOPLAX B U R RO W I , E A Smith IZa- 12m, CRYPTOPL AX LARV/EFORMlS,BlainviUe 13, 13a- 13c. PLAX I PH ORA 51 M PLEX, Carpenter. Ms. 



