86 Moll. 
VII. MOLLUSCA. 
[1904] 
Trochus^ anatomy of British species ; Randles (509). 
Trochus liirasei, Japan ; Pilsbry, P. Ac. Philad. 1904, p. 32, fig. : n. sp. 
\Tuhogyra, n. gen. for T. primida^ Barr., Sihirian, Bohemia ; Pp:rner 
(477), Exphi. pis. Ixxxiv, Ixxxvi. 
^T^ihoiwphalii.<^ n. gen. for T. crenistria^ Barr., Silurian, Bohemia ; PER^'ER 
(477), Expln. pi. xlii. 
Perner (477), Expln. pi. xlii. 
fUmbotroc/ms, n. gen. for U. aspersus, Barr., Silurian, Bohemia; Perner 
(477), Expln. pi. Ixvi. 
•f Umbotropis, n. gen. for U. albicans, Barr. MS., Silurian, Bohemia ; 
Perner (477), Expln. pi. xHi. 
Haliotid^, Bellerophontid^, and Fissurellid/E. 
Some new Silurian genera in the last section may belong here. 
\Donaldia, n. gen. for D. altera, Barr., Silurian, Bohemia ; Perner (477), 
Expln. pi. Ivii. 
Ealiotis tuherculata, anatomy and phylogeny ; Fleure (226) : Haliotis 
without perforations ; Kelsey (346) : H. tv.hr r<:ol <it(i_^ imperforate ; 
Marquand, J. Couch, xi, p. 48, also Bep. Guernsey Soc. 1903, p. 233. 
Incimra, n. gen. for ^cismrella lyttUtonensis (sic). Smith ; Hedley, Rec. 
Austral. Mus. v, p. 91. 
i Lessuerella (Koken MS.), n. gen. for L. bohemica, Perner, Silurian, 
Bohemia ; Perner (477), Expln. pi. Ixxiii. 
■\ Plectonotus, n. gen. for P. derbyi, n. sp., Devonian, Brazil; Clarke, 
Arch. Mus. Rio Janeiro x, p. 70. 
-\Ftomatis, n. gen. for group of Bellerophon patulas, Hall; Clarke, t. c. 
p. 75. 
Puncturella demissa, New Zealand ; Hedley, Rec. Austral. ]\Ius. v, p. 93, 
fig. : n. sp. 
Schimiope brevis, New Zealand ; Hedley, t. c. p. 90, fig. : n. sp. 
Scissurella jacksoni, Gulf of Oman ; Melvill, P. Malac. Soc. London vi, 
p. 160, fig. : S. rosea, New Zealand ; Hedley, Rec. Austral. ]Mus. v, 
p. 90, fig. : n. spp. 
Docoglossa, evolution in ; Fleure (228). 
Acmcea octoradiata, Hutton, cdticostata, Angas, notes on ; Hedley (292). 
Acmcm mmutissima, oft' the Andamans ; Smith, Ann. Nat. Hist. xiv. p. 4 : 
n. sp. 
Lottia gigantea, Gray, anatomy ; Fisher (225). 
Naeella crebristriata. South Australia ; Verco, Tr. R. Soc. S. Austral. 
xxviii, p. 144, fig. : n. sp. 
Patella, development ; AVilson (653). 
Cadidus acuminatus, Tate, notes on ; Verco (630). 
•fClavtdites, n. gen., type C. howardensis, n. sp., Carboniferous, Kansas ; 
GiRTY, P. U. S. Mus. xxvii, p. 732. 
Dentalium, development ; Wilson (653) : Anatomy and histology ; 
Barr. MS., Silurian, Bohemia ; 
DOCOGLOSSA. 
AcMiEiD^, and Patellid.e. 
III. SCAPHOPODA. 
