138 
REPORT ON ZOOLOGY, MDCCCXLII : 
filiformibus, oculos minutos in tuberculis ad basin exteriorem ferentibus ; 
operculo nullo ; testa ovata, diaphana, fragili ; apertura ovata, antice vix 
subemarginata, columella arcuata, oblique truncata, labio tenui, recto. 
A. crispa, n. sp. 
Lesson has made us acquainted with some Columhellce (Rev. Zool. 
1842, p. 184) ; C. clathra ; covered with strong longitudinal and vertical 
ribs, which form deep fossae between each other; three folds on the 
columella : Sandwich Islands. C. huccinoides ; allied to lugubris^ 
Kiener ; with black ledges and red hollows between : Acapulco. C. 
ampla; furrowed vertically; labrum within has numerous folds; 3-4 
protuberances on the columella : Gambier Islands. O. aphthcegera ; 
brownish yellow, minutely striped across with regularly placed blackish 
laces ; longitudinal ribs point out the swelling of the last whorl ; mouth 
white, vdth purple on the columella, on which are white points ; Acapulco. 
C. pulicaris, has longitudinal ribs, white, with regular rows of black 
stripes on them ; mouth white, with black spots on the labrum : Mar- 
quesas Islands. C. digitalis ; covered with little shields like a thimble ; 
white, with some yellow undulations ; mouth small, white ; columella 
with points and a pad. O. philipp>inarum, Reeve (Proc. p. 199). 
Eburna japonica, Reeve, from Japan (Proc. p. 200). 
Terehra pretiosa, Reeve (Proc. p. 200). 
Buccimin obliquum is, according to Pfeiffer = B. vitrewm, Pfr. (Rev. 
Zool. 1842, p. 26). B. genetta, Lesson, ib. p. 237 ; spindle-shaped, with 
brown-black streaks ; folded longitudinally ; striped vertically ; last suture 
has many warts : Oran. B. g^nis, id. ib. ; reddish-green ; smooth ; 
labium dentated on the margin : Pacific. B. phalcena, id. ib. ; small, 
shining, ribbed, striped vertically, ribs warty, white, with reddish lines 
on the spire ; labrum smooth, thickened internally, pointed : Acapulco. 
B. Jloridanum, id. ib. ; chestnut-brown, with white spots : South Sea. 
B. tulipa, id. p. 238 ; thick, shining, with undulating ribs ; between them 
numerous stripes with little white warts ; yellow : Acapulco. B, pu- 
licaris ; small, knobbed, plaited longitudinally, grey, with black pro- 
tuberances and white stripes : Sandwich Islands. B. elegans^ from 
California, and B. pyrostoma, Reeve (Proc. p, 199), B. undulatum, 
Moller, 1. c. p. II. B. scalariforme, Beck., ib. 
Planaxis circinnatus, Lesson (Rev. Zool. 1842, p. 187) ; red, deeply 
furrowed ; epidermis woolly, red ; mouth wide, toothed superiorly ; colu- 
mella dentated: Acapulco. P areolatus, id. ib. ; white, with red bands ; 
whorls with shields ; sutures granulated ; mouth small, toothed supe- 
riorly ; labrum furrowed internally : Taiti. 
Ricinula iodostoma, Lesson, Mag. de Zool. 1842, p. 58 ; globular ; 
mouth violet (in the plate rose-red) ; epidermis brownish ; surrounded 
by brown lines and six black bands ; 18'" : New Zealand ; already de- 
fined in Rev. Zool. 1840. The same author describes two new species 
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