148 
Scarasus PetivertANus, Férussac, Prodrome, p. 101; Petiver, 
Gazophylacia Nature, pl. 4. fig. 10. 
Cochlea Bengalensis, Petiver.—Auricula Peteveriana, Desh. 
S. testd ovato-oblongd, leviusculd, longitudinaliter tenuissime 
striatd, albidd castaneo variegatd ; aperturd spiram equante ; 
labro arcuato. 
Shell ovately oblong, rather smooth, longitudinally very finely 
striated, whitish, variegated with chestnut-brown ; aperture as long 
as the spire; outer lip areuated. 
Hab. Borneo; Cagayan, province of Misamis; Mindanao; in 
damp woods, under decayed leaves; H.C. (Mus. Cuming.) 
This species is characterized by its smaller size, more ovate form, 
smoother epidermis, the arcuated outer lip, and rotundate aperture. 
ScaRaBus TRIGONUS, Troschel, Wiegmann’s Archiv, 1840. 
S. testd triangulari, rufo-fuseo marmoratd, anfractu ultimo trans- 
verso gibbo angulato, aperturd angustatd, labro valde reflexo. 
Shell triangular, marbled with red-brown, last whorl transverse, 
gibbous, angulated ; aperture narrowed ; outer lip greatly reflected. 
Hab. Sarsogon ; Luzon ; dense woods, damp places; H.C. (Mus. 
Cuming.) 
The triangular form, approaching that of Tomogerus, at once di- 
stinguishes this species: the middle tooth on the inner lip is double, 
the upper tooth prominent: there are five teeth in the outer lip, two 
being more prominent than the others. 
ScaRaBus PLICATUS, Férussac, Prodrome, p.101; Chemn. Conch. 
vol. ix. pl. 136. fig. 1252, 1253. 
Helix scarabeeus, var. Chemn.—Auricula plicata, Deshayes.— 
Scarabus triangularis, Benson. 
S. testd subtriangulari, obliqud, gibbosd, spird brevi, acuminatd, 
lateribus concavis, anfractu ultimo postice gibboso antice sub- 
angulato distorto, epidermide longitudinaliter oblique striatd, 
castaned, fasciis pallidis confuse ornatd ; aperturd angustd, la- 
bio antice flecuoso, labro arcuato, untice valde dilatatd, reflexd, 
rimd umbilicali longa transversd. 
Ashy or chestnut-brown, with pale, rather indistinct bands ; much 
larger and more triangular than S. Borneensis, with the outer lip regu- 
larly arcuated. 
Hab. India; Benson. Jaffna, in saline marshes; Dr. Gardner. 
(Mus. Cuming.) 
ScaRABUS sTRIATUS, Reeve, Ann. & Mag. Nat. Hist. 1842, vol. ix. 
p- 220. fig. 9. ap 
Auricula scarabeeus, Quoy, Voy. de’ Astrolabe, Zool. vol. ii. p.162. 
pl. 13. f. 24. 
S. testd ovato-trigonali, fusco variegatd, longitudinaliter valde 
striatd ; spird acuminatd ; labio antico subflexuoso. 
