231 



omitti neqaennt. Vesicnlae diaphanae »iTe eellalae g^astrieae 

 cli. Ebrenbcrg^ in jnnioribns speciminibDa semper desideran- 

 tar, in bene eyolntis plernmqne adsnnt et dispositione ^au- 

 dent constante. Quoad yero resicnlas majores, apice'a versus 

 plemmqae sitas et granalis rnbris iunmmeris se mDventibus far- 

 (39, hoc tantom animadrertam , easdera in omnibns aetatibns, 

 omnibnsqQe speeiebns semper adesae, eo t'amen majores co- 

 piosioraqne grannla forentes quo proveetiora sunt specimina 

 et, interaneis jam resorptis vel in prapagnla conversis, ma^ 

 xinta ex parte raena et hjalina conspicinntitr. Dimidiatio 

 i&ternae cavitatis, diapltragmatis transTersalis ope, in aetate 

 tantnm prorectiori periieitur, in pluribns tamen speciebus 

 hanc et dopliceni et triplicem fieri compertum babni, eoqut; 

 addnctns sum iit liiijnscemodi conditionem a specrficis cba-* 

 racteribas omuino rejicerem. Copnlatio itidem, qua specimi- 

 na bina istfami ope e latere courexo more Zygnemat^m si- 

 mnl connectnntnr, ad seminnlnm procreandnm, qnamqnamnon 

 in omnibns speciebus BncBsqne detecta, omnibns tamen, con- 

 Tenire videtnn 



* Species lunulatae fuaiformes, 



^ Supcrficie laevi. 



1. Ciosterium Lunula Ehr,^ maguiim, curratnm, exlremi- 

 iaiikas eonicis, apicibns obtusis, Tesicnlis sparsis, taeniis 

 ptaribns. -^ BAn et He»prich Symb, phjs, 1828, T. II., 

 KAr. Abb. der Beri.Ak. 1830. 31. 34, Infflson p. 90. 

 n. 100. T. V. f. XV, <hrda\. c. p. 124. PI Y. f . 66. 67, 

 68, Morren An, d. Sc. Nat, T, V. pj 337 sq. (cxcl. pleris- 

 qoe synon. ^i f. 43). — C. aeamioatom 0*rda I. c. f. 59. 

 60. ~ Vibrio Lnnnia Mvtter Natsrforscb, XX. p. 142. 

 (1784), Hermann ibid, p. 169. T. 111. f. 69, Huller An. 

 Infos, p. 55. T. VI!. f. 13. 16. — Mallerial Lunula he- 

 ei€rc Mc'm. dn Afus. I.?, Schrank Faun, boica III. 2. 



