114 JAPANESE MOLLUSKS, POLYPLACOPHORA. 



Tonioella lineata Wood. Pilsbry, Man. Conch., XIV, p. 42. 

 Northern Japan. 



Trachydermon (Spongioradsia) multidentatus Cpr. Pilsbry, Man. Conch., XIV, 

 p. 85 ; XV, p. 



Bonin Is. (N. P. E. E.). 



Ischnochiton (Stenoradsia) lindholmi Schrenck. Schr., Reisen im Amurlande, II, 

 p. 288, pi. 12, f. 9-16; Pils., Man., XIV, p. 85. 



Bay of Hakodate (Schr.). 

 I have not seen this species. 



Isclmocliitoii comptus Gould. Pils., Man. Conch., XIV, p. 117. 

 Ooshima, Bonin and Liukiu Is. (Stirap.). 



Ischnochiton (Lepidozona) mertensi Midd. Pils., Man. XIV, p. 125. 

 Reported from Hakodate by Dkr., Index, p. 158. 



Ischnochiton (Lepidozona) coreanicus Adams & Reeve. A. k R., Voy. Samarang, 

 pi. 15, f. 9; Pils., Man. Conch., XIV, p. 129. 



Corean Archipelago, nnder stones (Ad.) ; Bay of Hakodate 

 (Schrenck). 



Ischnochiton (Lepidozona) craticulatus Gould. Pils., Man. Conch., XV, p. 84 

 pi. 17, f. 62, 63. 



China Seas or Japan, (N, P. E. E.). 

 Type is in U. S. Nat. Museum. 



Ischnochiton cultratus Carpenter. Pils., Man. Conch., XV, p. 82, pi. 17, f. 57-59. 



Hakodate (N. P. E. E.). 

 Type is in U. S. Nat, Museum. 



Ischnochiton (Ischnoradsia) hakodadensis Carpenter. Pils., Man. Conch., XIV, 

 p. 117, pi. 19, f. 64-66. 



Hakodate (N. P. E. E.). 

 Type is in Mus. Phila. Acad. 



Ischnochiton (Ischnoradsia) albrechti Schrenck. Pils., Man. Conch., XIV, p. 147, 

 pi. 19, f. 70-74. Lepidoradia granofilosa Cpr. 



Hakodate (Schrenck) ; Endermo Harbor (St. John, Smith). 



Callistochiton jacobaeus (Jould. Pils., Man. Conch., XIV, p. 267. 

 Simoda (N. P, E, E.), 



Nuttallina alternata Sowerby. Pils., Man. Conch., XIV, p. 281. 

 Japan (Cuming). 



