Testa subulata instar turris, anfractuum undecim, reticulata
striis elevatis decussantibus punctis contiguationem eminentibus.
Costæ oppositæ et alternæ. Color albus, maculis flavescentibus.
Apertura ovata, Labium exterius crassum, intus dentatum. Interius
dentato-glabrum.
Both _Triton! maculosus_ and _Ranella candisata_ approach the ideal
portrait, yet neither of them precisely agrees.
Under the name of _Trochus turritus_ our author appears to have first
described his _Murex radula_.
_Trochus_ exumbilicatus, pyramidatus, anfractibus duplici serie
muricatis.
Gualt, t. 58. f. F.
Testa elongata, flavescens s. testacea. Anfractus 16, connexi sutura
crenulata, dorso duplici serie instructi punctis eminentibus pallidis.
Apertura subtetragona, subtus in canalis rudimentum desineus.
The _Murex Neritoideus_ of the 'Systema' was thus described.
LYRA NERITOIDES. _L._ testa nodosa subrotunda.
Gualt.
Testa crassa, ponderosa, alba cum rubedine tincta, figura Neritæ,
magnitudine juglandis, cincta anfractibus 5 e nodis obtusis
crassiusculis. Labium interius depressum, longitudine pictum macula
ferruginea.