82 



Bursa maris lacinia(a, laciniis quinqtie membraiia jnnclis, 

 pene papillis conicis tribus circumvallantibus excepto. 

 ^7, IfIArHA]!tf«CEPHAliUS. Corpus subcylindricum. Ca- 

 put corpore continunm , fulcris quatuor cruciatim dispositis 

 antice convergentibus, membrana pellucida junctis. Os subor- 

 biculare. Bursa maris hemisphaerica ; pene in vagina bicruri, 

 cruribus costa longitudinali percursis, incluso. 



4 8. BEIiETII.OCErHAEiUS. Corpus subcylindricum. Caput 



corpore continuum fulcris sex in orbem dispositis, antice i» 

 annulum contlatis, membrana diaphana junctis. Os suborbi- 

 culare. Bursa maris dimidiataj pene in vagina bipartita. 

 .40. HOCHMIUS. Corpus subcylindricum. Caput subdiscretum 

 cernuum. Os obliquum amplum limbo corneo-membranaceo 

 annulari edentato v. dentato. Bursa maris biloba; pene in 

 vagina bipartita. 



50. SCIiEROSTOMUifff. Corpus subcylindricum. Caput sub- 

 globosum. Os orbiculare rectum limbo annulari subcorneo 

 dentato v. papilloso. Bursa maris integra, fissa v. (riloba; 

 pene in vagina bipartila. 



51. STR01¥GiYIiUS. Corpus subcylindricum interdum longe 

 filiforme. Caput corpore continuum. Os orbiculare v. angu- 

 losum, limbo nudo v. papilloso, minimecorneo. Bursamaris in- 

 tegra v. excisa, aut bi- v. muKiloba; pene in vagina bipartifa. 



53. AI¥CYIiOSTO]fIUM. Corpus subcylindricum. Caput cor- 

 pore continuum. Os orbiculare limbo haud corneo uncinis 

 quatuor basi papilla insidentibus cruciatim dispositis. Bursa 

 maris multiradiata exappendiculataj pene ... 



53. rHOSTHECOSACTER. Corpus filiforme. Caput cor- 

 pore continuiim. Os nudum. Bursa maris complanata integra 

 V. excisa appendiculata. 



5 4. EUSTKOMGYI^US, Corpus subcyliudiiciim. Capul cor- 



pore continuum. Os orbiculare, limbo Iiaud corneo papilloso. 

 Bursa maris integra; pene haud vaginato. 



