MOLLUSCA — CTENOBRANCHIA. 
141 
Many species of Miller’s genus Defrancia are also to be foupd in 
Mbller, 1. c., all from Greenland, viz., — nohilis, scalaris, exarata, ivoodi- 
ana [Pleurotoma turricula, Wood), elegans, cinerea, Pingelii, Beck, 
Vahlii, Beck, cylindracea, Beckii, livida, viridula [Tritonium viri- 
dula, Faun. Groenl.) 
Fusus funiculatus, Lesson, Rev. Zool. 1842, p. 104, allied to F. Petit- 
Thouarsii, Kienar : Acapulco. F. rosa-ponti, id. ib. ; yellow red, with 
regular tubercles ; mouth rose coloured ; six cent. : Gambier Islands ; 
was, id. p. 212, by the same author, joined to Fasciolaria, but it wants 
the folds in the columella. F. imbricatus, id. ib. p. 212. ; striped verti- 
cally ; ribbed longitudinally ; whorls concealed by small lamellee ; has 
two keels in the middle ; six cent. : Chili, Peru. F. pyrnloides, id. ib. ; 
like preceding, but without longitudinal ribs ; mouth yellow : Chili. 
F. sinuatus, id. ib., allied to Ftis. sinuatus, but only twenty-six mill, 
long ; Chili. F. follicus, id. ib. ; rounded longitundinal ribs, intersected 
by wavy laces of leaflets, like a tile roof ; between these tile-like scales, 
the laces are alternately rose coloured and white: Taiti. F. frondosus, 
id. ib. ; similar to preceding ; grey with some black laces ; Marquesas 
Islands. F. ventricosus, id. ib. ; oval ; bellied with regular laces ; 
without longitudinal ribs : Chili. F. latericeus, Moller, 1. c. ; bright 
red, with a glassy epidermis and projecting lines. F. Kroyeri, id. ib. ; 
bay, with undulating impressed lines. F. Holhbllii, id. ib. ; white, 
smooth ; epidermis brown yellow. 
Fasciolaria sulcata, Lesson, Rev. Zool. 1842, p. 212 ; eight whorls, 
with broad longitudinal ribs, and alternating vertical laces ; bay ; 
twenty-four mill. : Acapulco. 
Pleurotoma pcrlata. Lesson (Rev. Zool. 1842, p. 143) ; t. parva, 
ovato-oblonga, rufa, perils niveis cincta, spira acuta, apertura ovali, 
canali elongata ; Sandwich Islands. P. fmiic%data, id. ib. ; t. parva, 
oblongata, turriculata, rufa, costis circularibus, undulatis lamellosisque 
tecta, spira acutissima, apertura longitudinal!, scissura rotunda : Aca- 
pulco. P. speciosa, Reeve : habitat unknown. (Proc. p. 199.) P. Beckii, 
id. ib., from the Philippines. 
Txirbinella pacijica, Lesson, Rev. Zool. 1842, p. 211, allied to T. ere- 
nulata, Kiener, with rounded ribs ; regular vertical stripes ; eighteen 
mill. : Sandwich Islands. T, taUensis ; about six ribs on the last 
whorl ; labrum furrowed internally ; columella has three or four pads ; 
six mill.: Taiti. T. purpuroides ; has the appearance of Si Ricinula ; 
columella has three vertical pads : Gambier Island. 
T. imperialis and vexillulum, Reeve, Proc. p. 198. According to a 
remark of L. Pfeifler, Ceritliium procerum, Kiener, is = C. martini- 
aniim, Pfr. of Lamarck, confounded with C. vertagus. 
Cerithium lacteum, Kiener, must receive some other name, as that 
one has already been used by Philippi. Two species are united by 
185 
