44. 
45. 
PYTHIA $. 3. 4. PLECOTREMA $. 1. 343 
variabilis (Searabus) Hombr. & Jacq. f I. 98. II. 74. — Nova 
Guinea, ins. Arrow. 
erassidens (Searabus) Hombr. & Jacq. f I. 99. II. 74. — 
Amboina. 
$n 
. dilatata (Polydonta) Beck. f I. 99. II. 75. — Ins. Philippin. 
. gibbosa (Polydonta) Beck. f I. 99. II. 75. — Habitat? 
. carinata (Polydonta) Beck. t I. 79. — Sineapore. 
VII. Plecotrema H. & A. Adams. 
Pfr. Mon. Auric. p. 99; Auric. Brit. Mus. p. 75. — 
Harper Pease in Proc. Zool Soc. 1869. p. 59. (Descriptio 
animalis JJ. striatae Phi.) —  Péütel Catal. 1819. p. 16. 114. 
— JLirator Beck? 
Conspectus specierum. 
A. Aperte umbilicatae . $. l. Nr. 1— T. 
B. Subimperforatae — . elis dis bise Seld Koo iren ibe 
€: .-?, Speeies. aberranste 1 240i duug veas Senecio 
D. Species fossiles . . . . . . . $.4. — 29—2T1 
NH 
l. typica H. & A. Adams. I. 100. IL. 76. —  Gassies Faun. Nouv. 
Caléd. p. 67. — Pulo Penang, ins. Philippin., Nova Caledonia. 
2. concinna H. & A. Adams. (Coll. 1.) I. 101. IL. 76. —  Pátel Cat. 
p. 114. — Australia. 
3. lirata H. & A. Adams. (Coll. 2.) I. 101. II. 76. — Australia. 
4. bella H. & A. Adams. I. 102. II. 77. — Ins. Philippin. 
5. Pl. Souverbiei Montrouzier. 
,T. umbilieata, ovato-conieca, scalaris, solida, liris elevatis, 
spiralibus, inaequalibus, granulatis sculpta, interstitiis oblique 
denseque sublamellatim striatis, non nitens, sordide fulva; spira 
producta, scalaris, apice acutiuscula; anfr. 8, infra suturam 
lira 
solitaria, subvalidiore cincti, superne angulati, cum spatio 
inter angulum (saepe validius liratum) et liram suturalem sub- 
plano-concavo, elirato et dense striata; ultimus spira brevior 
