54 MolL 
MOLLUSCA. 
p. 43, Barnard Islands, N. E. Australia. C. undatoides, sp. n., J, E. T. 
Woods, op. cit. iv. p. 22, pi. iv. fig. 7, Port Jackson. 
Craspedotus limbatus (Phil.) dredged near Sartero and in Korsfjord, 
Norway, perhaps fossil ; Norman, J. of Conch, ii. pp. 51 & 52. 
Monodonta (Lam.) = Trochococldea (H. & A. Adams), including parts 
of Oxystele and Diloma (Phil.), lahio (L.), canalifera (Lam.), turbinata 
(Gmel.), = articulata (Lam.), tessellata (Bern) = fragarioides [(Lam.), 
listeri (Gray), mutabilis (Phil.), colubrina (Gmel.), tabularis (Krauss), 
impervia (Menke), striolata (Q. & G.), cethiops (Gmel.) constricta (McL.), 
and zebra, (Wood), radula in all essentially similar ; Troschel, 1. c. pp. 
228-232, pi. xxii. figs. 9-14, pi. xxiii. figs. 1-7. 
Oxystele tigrina (Ohemn.), radula somewhat different from the preced- 
ing ; id. 1. c. p. 235, pi. xxiv. fig. 1. 
Trochococldea constricta (Lam.) = muUicarinata (Q. & G.) = porcata 
(A. Adams), T. tcmiata (Q. & G.) can only be doubtfully separated 
from it, and T. australis (Lam.) = striolata (Q. & G.) = concamerata 
(Gray), both subject to great variation of colour and form, the first is 
larger in Tasmania and smaller in South Australia ; J. E. T. Woods, 
P. Linn. Soc. N. S. W. ii. [1877] pp. 89-96. {^Australis (Chemnitz, Lam.) 
is a South African Labio, quite distinct from Trochocochlea striolata 
(Q. & G.), and erroneously considered by Chemnitz as coming from 
Australia.] 
Omphalius, including Tegula and Chlorostoma, carinatus (Koch), exca- 
vatus (Lam.), brasilianus (Menke), quadricarinatus (Gray), microstoma 
(Orb.), coronulaius (G. B. Adams), ater (Less.), carpenteri (Dunker), fune- 
bralis (A. Ad.), imd pellis-serpentis {'Wood'), radula essentially similar ; 
Troschel, 1. c. pp. 232-235, pi. xxii. figs. 8-16. 
Monilea lifuana (Fischer, 1878), Fischer. J. de Conch, xxvii. p. 31, pi. iii. 
fig. 5, Lifu, Loyalty Islands, New Caledonia. 
Diloma nigerrina (Gmel.) = amwcana (Orb.), radula somewhat different 
from that of Monodonta by a median cuspid in the median plate; Troschel, 
1. c. p. 236, pi. xxiv. fig. 2. 
Euchelus atratus (Gmel.), radula near that oi Diloma, in which the jaw 
is wanting : id. 1. c. p. 237, pi. xxiv. fig. 3. 
Zizyphinus conulus (L.), canaliculatus (Martyn), granulatus (Born), 
laugieri (Payr.), annulatus (Martyn), and costatus (Martyn), radula very 
characteristic ; id. 1. c. pp. 244-246, that of the first 4 figured, pi. xxiv. 
figs. 16-19. 
IVochus {Zizyphinus) stirophorus, St. Thomas, W. Indies, 390 fath., 
tiara [pre-occupied in Trochus generally], Bermudas, 1075 fath., and 
transenna, Philippines, 102 fath., spp. nn., B. B. Watson, J. L. S. xiv. 
pp. 695-698. 
Trochus spratti (Forbes) = pictus (Philippi) = alveolatus (Philippi) = 
nivosus (A. Adams), coast of N. Africa and Malta, Monterosato, Bull. Soc. 
mal. Ital. v. p.218. T. exasperatus (Pennant) and (L.) varieties ; 
id. 1. c. pp. 219 & 220. 
Thalotia maculata, sp.n.. Brazier, P. Linn. Soc. N. S. W. ii. [1877] p. 42, 
Torres Straits and Cape York. marginata, sp. n., J. E. T. Woods, 
ojj. cit. iv. p. 109, More ton Bay. 
