Univalvia. 
325 
MUREX GIGAS W. 
Germ. <jwffe @titc^elfd;nt;cfe. 
Tefta ventricola , transverfim lulcata 3 Ipira coronata , anfra- 
itibus declivibus a carinatis, carina ventris duplicata. 
Tefta ventricofa, utrinque attenuata, transverfim fulcata; Anfrafrus 
declives, carinati, carina obtufa futurae interiori propior, circa centrum 
duplex, circa fpiram folitaria; Spira tuberculis coronata; Apertura atte¬ 
nuata ; Labrum integrum; Labium reflexum, expanfum, antice adnatum, 
fubtus umbilicatum; Roftrum elongatum, vix non flexuofum; Color al¬ 
bidus. 
Lc-ng. 1. peti 9. lin. lar. 9. poli. 
Patria ignota. 
(a) Oinifius in Indice Mufei, & ad Murices inermes rofl.ro elongato referendas. 
T R O C H U S. 
Linn. Syft. Nar. Gen. 326, 
Germ. >Die $rdufelfef;«ecfe. Belg- Tollen Oudaan. Angi Top-Shell Huddesford. Gall. Saboc 
Bavila. Dan. fcpfneffm Brunnich■ 
C ochles genus, cujus tefta fpiralis fubconica trochulis affimila* 
tur, quos ludentes pueri in gyrum agunt, Trochi nomen 
obtinuit, & a reliquis univalvibus apertura coardtata, lubtetra- 
gona, vel plus minusve angulata, dignofcitur. 
Partimur Trochos in 
I. Umbilicatos, 
II. Imperforatos, & 
III. Turritos, 
fpecierumque charalteres ab anfra&uum figura, teftse fuperficie 
umbilicique ftrudhira defumimus. 
Nnnn 
Mollufci 
