57 



cipitibus; Striae incrementi membranaceae, plerumque ferrugineae; apertura circularis, color 

 anfr. primi ferrugineus. 



Spec. majoris long, cavitalis int. 120 mm, diam. apt. 15 mm, alt. 14 mm. 



Spec. minoris — — — 90 mm, — — 15 — 16 mm, alt. 13 mm. 



Operculum tenue, convexum, pallide castaneum, superne plano-concavum , laminis 

 appressis coacentricis obsoletissimis, uti farinosum, area centrali magna, obscura peripheria 

 elevata; limbo obsoletissime concavo, peripheria pallide flava, inferne plano-convexum ; im- 

 pressio muscularis opaca, concentrica ruguloso-striata, leviuscula, limbus nitens, castaneus, 

 linea obscura interna terminatus, peripheriae margine angustissime pallida. 



Diam. 15 mm, limbi lat. 3— 3 l / 2 mm, alt. 2*/ 2 mm. 



Patria: Lord Woods. Isl. 



var. 6. praelonga Mörch. Proc. 1861 p. 169. 



T. repens, corrodens, gracilis, fere per totam longitudinem aequalis, utrinque obtuse rect- 

 angula, inferne elevato-convexa, tenuis, superne crassa plana, laevis, sebacea, sordide alba, 

 varicibus huc illuc parvis, acutis, oblique arcuatis, Striae et rugae incrementi obsoletae, 

 arcuatae, granulis oblongis obsoletissimis; anfr. primi laqueati, conjuncti, lateralibus inferne 

 dilatatis; septa frequentissima, cylindracea, convexa; apertura parva, superne arcuata, reducta, 

 lateribus rectis. 



Lg. 64—82 dm, long, cavitatis 12 dm. 



Patria: Lord Woods. Ins. 



IT, Siphon iura (Stoa) t ex tum Mörch, 



Siphonium textum Mörch. Proc. z. s. London 1861 p. 159. 



T. corallicola, albida, planorbiformis, omuino immersa, anfr. utrinque rectanguli, acuti, 

 aperturam versus ampliati, superficie planissima vel leviter concava; laminae incrementi 

 arcuatae, margine conferte undulatae, reguläres, erectae, obtusae, interstitiis profundis, an- 

 gustis; lirulae longitudinales 5—6 spirae obsoletae, aperturam versus lirulis obliquis, tenuis- 

 simis; apertura circularis, obliqua. 



Diam. testae 15 mm, diam. apt. 5,5 mm. 



Operculum pallide flavum, pellucidum, superne profunde concavum, laminis concentricis 

 confertis appressis obsoletis; inferne convexum, area muscularis spiraliter obsolete lirulata; 

 centro coccineo, prominulo, obtuso; limbus latus nitidus. 



Diam. 5V 4 mm. 



Patria: Ins. Philipp. 



yj g, «. xi. Mos. 8 



