340 PYTHIA $. 2. 3. 
striatula; anfractus 10 depressi, ultimus ?/; longitudinis aequans, 
striatulus; apice mucronato; sutura plicata; spira abbreviato- 
acuminata, varicibus albis; apertura angusta, ovata, depressa, 
denticulata, labro dextro patulo, tuberculs 5, inferioribus 2 
majoribus instructo; dentes palatales 2, inferus horizontalis, 
superus verticalis; peristoma fuscum, nitidum; dentes albi. — 
Diam. maj. 10, altit. 18—20 mill.* (G.) 
Scarabus Crosseanus Gass. in Journ. Conch. XVIII. 1870. p. 144; Faune 
Nouv. Caléd. II. 1871. p. 102. t. 7. f. 4 (non 5). 
Habitat Ouvea insularum. Loyalty (Lambert). 
19. P. perovata Garrett. 7 
.Lesta leviter perforata vel imperforata, sohda, ovata, 
compressa, cornea vel laete castanea, saepe saturate brunnea, 
maculis saturatioribus et plerumque fascia suturali obscura 
ornata; spira brevis, subaeuta, convexo-conica, paulo plus 
quam testae tertiam partem formans; anfr. 8— 9, plano- 
convexi, ultimus magnus, ovatus, longitudinaliter ruditer stria- 
tus, stris superne distnctioribus; sutura ruditer crenulata; 
apertura subverticals, angusta, alba, lutescenti-albida vel 
fuscescens; perist. rotundatum et antice expansum, leviter 
reflexum, margine interno copiose calloso et 4, rarius 5, den- 
tibus, quorum 2 multo majoribus, armato; columella expansa, 
plica valida. subobliqua munita; regio parietalis vitraceo-polita, 
dentibus 2 validis, plicaeformibus, inferiore duplice, compresso, 
in aperturam intrante, superiore verticali, compresso, munita. 
— Long. 24, diam. 15!/, mill.* (Garr. angl.) 
Pythia perovata Garr. in Amer. journ. conch. VII. 1872. p. 221. t. 19. f. 5. 
-— — . JGSchmeltz in. Mus. God. cat. V. p. 87. 
Habitat in insulis Viti. 
$8. 93. 
20. Reeveana Pfr. (Coll. 11.) I. 81. II. 61. — Püátel Cat. p. 114. — 
Scarabus imbrium Ad. & Reeve, Reeveanus Issel Moll. Born. p. 61. 
— Polydonta. scarabaeus Woodw.? — Ins. Philippin., Celebes, Borneo. 
21. scarabaeus (Helix) Linn. (Coll. 12.) I. 82. II. 61. — Mórch in 
Journ. Counceh. XX. 1872. p. 322 (Nicobar.) cum var. umbilico 
clauso. —  Püátel Cat. p. 114. — Helix pythia Müll. — Pythia 
helicina  .Bolt., rictans. Schum., imbrium Mórch, Lessoni H. & A. 
Adams, Mórch Catal. Yoldi p. 37. n. 770. —  Bulimus scarabaeus 
B Brug. — Scarabus imbrium Montf, Lessonii Blainv. — Auricula 
scarabeus Lam., Petiveriana Desh. — Polydonta Lessonii et Listeriana 
Beck. — Forma imperfecta: CocAlea imbrium Rumph. — Helix 
Scarabaeus Chemn. —  Scarabus imbrium DBlainv. — —Polydonta im- 
brium Beck. — Pythia helicina. Mórch Catal. Yoldi p. 37. n. 772. 
(ex. ic. Chemn.) — Moluec., Nova, Hibernia, Novae Hebridae. 
