MOLLUSCA. 207 
modern monographs, are rejected, because they refer either to the juvenile 
state or to a variety. 
Sigm-etus. Mr. Reeve has figured the following species in Conch, ic. : — 
S. coarctaUis, f. 17, Singapore ; S. tumescens, f. 18, hab. — ? ; S. nitidus, f. 20, 
Philippines ; S. ohlongus, f. 21, hab. — ? j S. eximius, f. 22, Malacca; S.pellu- 
cidus, f. 23, Malacca ; S. f. 24, South Australia ; S. argenteus, f. 26, 
Australia; S. Jihtda, f. 26, hab. — ? 
SCALARID^. 
> 
Scalaria delicatula and Sc. consm's, Crosse et Fischer, Journ. Conch, p. 347. 
St. Vincent Bay, S. Australia. 
Acirsa 7nenesthoides, Carpenter, Ann. & Mag. Nat. Hist. xiii. p. 478. Cape 
St. Lucas, California. 
Opalia exquisita, A. Adams, Ann, & Mag. Nat. Hist. xiii. p. 310. Gotto 
Islands, Japan. — Opalia ci'enatoides, Carpenter, ibid. xiv. p. 47. California. 
Pyramidellida?. 
Ohcliscus variegatm, Carpenter, Ann. & Mag. Nat. Hist. xiv. p. 46. Cali- 
fornia. 
Chi’ysallida aiigusta, Carpenter, 1. c. p. 47. California. 
Odostomia moulinsianay Fischer, Journ. Conch, p. 70. Bassin d’Arcachon ” 
(near Bordeaux ?). 
Odostomia {Evalea) (rquisculpta and 0. delicatula, Carpenter, Ann. & Mag. 
Nat. Hist. xiv. pp. 46 & 47. California. 
Eulimid^. 
Eulima fuscostl'igaia, Carpenter, Ann. & Mag. Nat. Hist. xiv. p. 47. 
fornia. 
Styliferida:. 
Cali- 
Fischer, P. Monographie des genres Stylifer et Entoconcha. 
Journ. Conchyl. pp. 91-105. 
The author gives the history of these genera and diagnoses of 
the 16 species known, which are distributed into three groups : — 
а. Spire short, last whorl very globose : St. astcricola (Brod.), turtoni 
(Brod.), ovoideus (H. et A. Adams), orhignyanus (Hupe). 
б. Spire moderately short, shell thick : St. mittrei (Petit), ehiirneus 
(Besh.), apiculatus (Soiiverbie), rohustus (Pease), fulvescens (A. 
Adams). 
c. Spire elongated, shell slender, form of Eidima : St. corallimis (Chemn.), 
sidndatus (Brod,), acicida (Gould), barronii (A. Adams), exaratus 
(A. Adams), suhangulatus (A. Adams), paiduccice (Fischer), sp. n., 
p. 102, pi. 7. f. 3. Red Sea. 
Some doubtful species are added. The genus extends throughout the In- 
dian and Tropical Pacific Oceans, from the Red Sea to the Galapagos Islands. 
Three species are indicated as indigenous in the West Indies, and acknow- 
ledged to be of doubtful origin. All the species appear to dwell on Echino- 
dermata, Asteridse or Echinidfe. 
