Nachtrage. 



22. Siphonium squamigerum Gould et Carpenter. 



Aletes squamigerus Gld. et Carp. Proc. zool. soc. London 1856 IV p. 226. 

 T. majore, flavido-albida, solute spirali, plerumque glomerata, superficie costis spirali- 

 bus, squamis instructis; costulis pluribus intercalantibus, squamulis minoribus squamis et 

 squamulis imbricatis, arcuatis, interdum aperturam versus sculptura obsoleta. 



Patr. St. Barbara, San Diego. 



1. Tenagodus (Pyxipoma) Möbii Mörch. 



Tenagodus Möbii Mörch. Proc. zool. soc. London 1865 p. 98. 



T. volubilis, laxa, solidissima, crassa, laevigata, nitidula, sordide alba, infime flavescens ; 

 rima in anfractibus tribus primis (qui adsunt) clausa, in anf. sequente fora minibus duobus 

 oblongis geminis remotis; deinde aperta marginibus irregularibus ; aperturam versus hians, 

 marginibus acutis simplicibus. Apex tubi septo hemisphaerico clausus. 



Diam. apt. c. 7 mm. 



Operculum irreguläre, incurvo-conicum, anfr. ciliis sat longis; arca centralis, pallide 

 flava, sulco profunde circumscripta, segmentis radiantibus, circiter 7, centro obscuro, latius- 

 culo, puncto centrali albo, limbus angustus, nitidus, reflexus, marginatus. 



Patr. Manilla. 



25. Thylacodes melanostomus Mörch. 



Thylacodes melanostomus Mörch. Proc. zool. soc. 1865 p. 99. 

 T. solitaria, spiralis, perforata, brunnea, crusta tenui (aliena) virescente, spiraliter 

 lirulata, lirae plerumque atternatim minores, lirae 4—5 validiores, subaequidistantes, nodulis 



15* 



