gastuopoda (cyclobranchia, tectibranchia). Moll. 59 
many slits. C. dispar (Sow.) and I. trijida (Carp.), radula of the last, 
pi. ii. fig. 17. 
Lepidopleurus (Carp., MS., nec Risso) ; scales solid, imbricated, smooth. 
C. mertensi (Middend.), radula pi. ii. fig. 18. 
Lepidoradsia (n.) ; similar to the last, with many slits in central valves. 
C. australis (Sow.), radula pi. ii. fig. 19. 
Callistochiton (Carp., MS.), g. n., for C. palmulatus (Carp.), California; 
Dali, 1. c, p. 79, pi. ii. fig. 20. 
Pallochitony g. n., = Hemphillia (Carp., MS., preoccupied), P. lanugi- 
no3Us (Carp.), California, radula ; id. 1. c. p. 79, pi. iii. fig. 21. 
Chiton (L. restrict.. Carp., nec Adams), type C. tuherculatus (L.), also 
articidatus (Sow.), stokesi (Brod.), cumingi (Frembly), and assimilis 
(Reeve), radula ; id. 1. c. p. 79, pi. iii. figs. 22-26. 
Nuttallina (Carp., MS.), g. n. “ Lorica elongata, valvis antice projectis, 
mncro posticus, elevatus ; laminas acute, teves, elongatse ; valvse cen- 
trales bifissse ; sinus hand laminatus, planatus ; zona spinosa,” N. scabra 
(Reeve), Vancouver district and Monterey. Id. 1. c. pp. 115 & 80, radula 
pi. iv. fig. 31. 
Mopalia ciliata (Sow., Chiton) = colliei (Reeve) = mucosus (Gould), 
subsp. : lignosa (Gould) = mereki and eschholtzi (Midd.) = montereyensis 
(Carp.) = vespertinus (Gould), and var. : hindsi (Sow.) ; M. wosnessenskii 
(Midd.) = (7. coilatus (Reeve) = kennerleyi (Carp.), with var. swani 
(Carp.), Alaska ; id. 1. c. pp. 85-88 ; radula of both, pi. iv. figs. 34 & 35. 
Placiphordla (Carp,, MS.), subg. n. of the preceding, bristles of the 
mantle-margin fasciculate, M. sinuata and imporcata (Carp., 1865), Cali- 
fornia, velata (Carp.) ; id. 1. c. pp. 80, 87-89, radula pi. iv. fig. 36. 
Katharina timicata (Woods), Alaska and Aleutian Islands ; id. 1. c. 
p. 95, radula pi, iv. fig. 37. 
Macandrellus (Carp., MS ), ? Chiton costatus (Adams & Angas), Port 
Jackson, radula ; id. 1. c. p. 81, pi. iv. fig, 40. 
Amicula vestita (Pall.), with P var. emersoni (Gray) and A. pallasi 
(Middend.), Uualaska and Aleutian Islands; id. 1. c. pp. 89-91, radula 
pi. V. figs. 42 & 43. 
Chlamydochiton, subg. of the former, distinct by the row of gills 
extended round the body. C. stelleri (Middend.) = sitkensis and chlamys 
(Reeve), Aleutian Islands, and from Japan unto California; id. 1. c. 
pp. 89, 93 & 94. 
TEOTIBRANGHIA. 
ToRNATELLIDiE. 
Tornatella minuta, sp. n., Petterd, J. of Conch, ii. p. 105, Tasmania. 
Ringicula. List of 25 species, copied from Morlet, in JB. mal. Ges. 
vi. pp. 179-191. 
Ringicula ahyssicola, sp. n., Darnley Island, Torres Straits, 20 fath., 
and angasi, new name for australis (Crofse, 1865, nec Hinds, 1844), 
Brazier, P. Linn. Soc. N. S. W. ii. [1877] p, 78. 
1879. [vOL. XVT.] B 13 
