344 
PLECOTREMA §. 1. 2. 
( 2 / 5 subaequans), infra angulum obconice attenuatus, pone aper- 
turam subcompresse et valicle cristatus, basi circa umbilicum 
subinfundibnliformem, subprofundum carinatus; apertura sub- 
obliqua; plicae parietales 2, superior nodiformis, suboblique 
descendens, altera transversa, aliquando supra basim subdu- 
plicata, profunde intrans, extus in carinam periomphalem 
abiens; plica columellaris minor, transversa; peristoma conti- 
nuum, undique solutum, plus minusve porrectum, breviter ex- 
pansum; margine dextro bidentato, dente supremo majore. — 
Long. 5, lat. 2 2 / 3 mill.“ (S. — Coll. Nr. 3.) 
Ventrosior, ult. anfr. l / 2 testae aequans. Long. 4 1 / 2 , 
lat. 3 mill. 
Plecotrema Souverbiei Montrouz. in sched. ; Souverbie in Journ. Conch. X. 
1862. p. 246. t. 9. f. 12. 
— — Gassies Fauu. Nouv. Caled. p. 67. t. 6. f. 23. 
Habitat „Baie boisee“, var. ins. Art Novae Caledoniae. 
* 
6. decussata H. & A. Adams. (Coll. 4.) I. 102. II. 77. — Ins. Philippin. 
7. bicolor Pfr. I. 103. II. 78. (In Proc. Zool. Soc. 1855 casu omissa.) 
— Port. Jackson. 
§• 2 . 
8. octanfracta (Pedipes) Jonas. (Coll. 5.) I. 103. II. 78 (clausa). 
— Jickeli in Nachr. malak. Ges. Oct. 1872. p. 65. — Pedipes 
octanfracta Jonas in Zeitschr. f. Malak. 1845. p. 169*). — Pleco- 
trema clausa H Sf A. Adams, Pease in Proc. Zool. Soc. 1871. p. 
469 **). — Schmeltz in Mus. God. cat. V. p. 87. — Ins. Sandwich. 
9. P. mordax Dohrn. 
„T. vix rimata, ovato-conica, solidula, sulcis spiralibus 
regulariter exarata, vix nitida, pallide fulva, inter dum rufo- 
*) „P. testa ovato-conica, anguste perforata, solida, transversim lirata: 
liris latiusculis, sulcis interjectis angustis, fusca; anfractibus octo planiusculis, 
ultimo convexo, subventricoso, spira majori ; apertura elongato-ovata, dentibus 
quinque coarctata: dentibus tribus majoribus compressis, aequalibus, intervallis 
paribus in columella, duobus minoribus nodiformibus in margine dextro. — 
Long. 2 2 / 3 , lat. l 2 / 3 lin.“ (J.) 
**) „T. imperforata, ovato- conoidea, crassa, vix nitidula, spiraliter 
costulata aut lirata, costis rotundatis, interstitiis setulis munitis et longitudi- 
naliter tenuiter striatis, pallide fulva vel rufescenti- fusca, rare indistincte 
fasciata; spira conica, apice acuto, vix mucronato; anfr. 7, planiusculi, 
ultimus convexus, 1 / 2 longitudinis testae fere aequans, basi vix attenuatus; 
apertura vix obliqua, oblonga, angusta, ringens, basi anguste rotundata, 
postice acute angulata; plicae parietales 2, superior compressa, perobliqua, 
cum labro callo juncta, altera bifida; plica columellaris compressa, transversa; 
labrum dextrum extus incrassatum, intus ad marginem valde callosum, fortiter 
bidentatum; apertura pallida, albida. — Dimens. 5X3 vel 4X2 mill. — 
Hawaii. * 
