372 MR. A. ADAMS ON JAPANESE MURICINZ. (Dec. 9, 
acuta; anfractibus 7, planis, postice angulatis, transversim valde 
liratis, liris equalibus, levibus, interstitiis clathratis, varicibus 
late foliaceis, postice dilatatis et rotundis ; apertura ovata, an- 
tice acuminata; labro margine late fimbriato, canali brevi, 
clauso, recto. 
Hab. Uraga, 21 fathoms. 
A very neatly sculptured species, with the foliate varices of the 
whorls posteriorly rounded. 
4, Prynionotus, Swains. 
1. PHYLLONOTUS FALCATUS, Sow. 
Murex falcatus, Sow. Proc. Zool. Soc. 1840 ; Reeve, Conch. Icon. 
Murex, sp. 61. 
Murex aduncus, Sow., var. 
Hab. Satanomosaki; Tusaki; Tatiyama. 
2. PHyLLONOTUS CORONATUS, A. Ad. 
P. testa ovato-trigonali, fusca, spira conica; anfractibus 6, planis, 
postice angulatis, liris quatuor, validis, transversis, interstitis 
lirulis squamulosis confertis ornatis, varicibus septem, lacinia- 
tis, fimbriatis, postice late uncinatis ; apertura oblonga, antice 
acuminata; labro margine postice angulato, extus fimbriato ; 
canali aperto, brevi, via recurvato. 
Hab. Tsusaki, 35 fathoms. 
A somewhat small, neat species, with the whorls very prettily 
coronate. 
3. PHyLLoNotus ACANTHOPHORUS, A. Ad. 
P. testa ovato-fusiformi, quinquefariam varicosa, solida, albida ; 
anfractibus 5, in medio angulatis, superne planatis, transversim 
liratis, varicibus crassis, postice spina squamiformi triangulart 
armatis ; apertura oblonga, antice acuminata ; labro extus vari- 
coso, crasso, fimbriato, intus valde erenato, canali clauso, antice 
recurvato, aperto. 
Hab. Tsusaki, 37 fathoms. 
A solid, triangular species, with a strong squamiform spine at the 
hind part of the thick prominent varices, which latter are composed 
of close-set crispate lamellze. The operculum is purpuroid. 
4. Puytionorus unirascratus, A. Ad. 
P. testa ovato-fusiformi, subtrigonali, quinquefariam varicosa, se- 
rotina, fascia transversa lata rufo-fusea in anfractu ultimo or- 
nata; anfractibus 7, planis, postice angulatis, longitudinaliter 
erebre plicatis, plicis laciniatis crispatis, transversim valde 
liratis, liris inequalibus, majoribus cum minoribus alternantibus, 
varicibus foliatis, brevibus, marginibus crenulatis, postice spina 
uncinata producta squamata instructis ; apertura elongata, sub- 
triangulari, canali aperto, subrecto, 
Hab. Uraga, 12 fathoms. 
