17 
MOLLUSCA. 
PART I.—AMPHINEURA, GASTROPODA, AND SCAPHOPODA. 
By Henry Suter. 
Plate XII. 
THE Nudibranchia are omitted. All specimens have been sent to Sir 
Charles Eliot, K.C.M.G., Sheffield, who has kindly consented to supply 
a report. Specimens from Stations 26 and 30 were mixed when re- 
ceived, hence the uncertainty expressed. 
Class AMPHINEURA. 
Family ISCHNOCHITONIDA. 
IscHNOCHITON, Gray, 1847. 
Ischnochiton longicymba Q. and G. 
Chiton longicymba Q. and G., Voy. “ Astrolabe,” Zool., ii, 1835, p. 390, 
pl. Ixxy, figs. 1-18. 
Ischnochiton longicymba Q. and G., Man. Conch. (1), xiv, 1892, p. 87, 
pl. xxii, figs. 58-66. 
Chatham Islands. 
Family ACANTHOCHITID. 
ACANTHOCHITES, Risso, 1826. 
Acanthochites zelandicus Q. and G. 
Chiton zelandicus Q. and G., Voy. “ Astrolabe,” Zool., i, 1835, p. 400, 
pl. Ixxii, figs. 5-8. 
Acanthochites zelandicus Q. and G., Man. Conch. (1), xv, 1893, p. 16, 
pl. xiv, figs. 9-10. 
Station 12. 
Acanthochites porosus Burrow. 
Chiton porosus Burrow, Elements of Conchology, 1815, p. 189, pl. xxviii, 
fig. 1. 
Acanthochites (Cryptoconchus) porosus Burrow, Man. Conch. (1), xv, 
1893, p. 36, pl. in, figs. 57-62. 
Stations 22, 74. 
