( ) 



ce. Braficbias Ten organa fcalaria; 



d. Tuba ftipitem ancipiti-deprefliim, feu utrinque alatum, 



EE. Cornieula majora & .omv 



ee. Minora, fummo tubae unguiformi infidentia; 



fff. Limdum cuculli liherum, 



k. Aream qua cuculius maxime adnatus eft; 



gg. Fafcias laterum ftriatas f '^ ^ ■ 



b. Latus abdominaie laevigatum , tandemque 



/. Sulcum fafcias laterales in dorfo diftinguentem. 



Fig. 6. Organum fcalare feu branchiale integrum , ftratis bar- 

 bularum ar6te compofitis, cum calycis laciniis a. b. 



Fig. 7. Columella feu truncus fcalaeformis Branchiarum c. re- 

 motis quafi barbulis , quae limbo continuo ftriato dd, conti- 

 nuantur , exhibitus , ut fpira ipfius trunci planse confpici queant. 

 Calyx itidem adjedlus eft a. b. 



Pig. 8. 9. 10. Singulas exhibenc ^^r^«/^j branchiales , diver- 

 farum longitudinum , microfcopio audas. Longior ex infima, 

 proxima ex media fpira, & ex fummitate branchiae minor de- 

 fumtse funt; a. raphen earum, & b, fimbriam, ftipitem orga- 

 ni (peaantem, notat. ^^.^^ ^,- ...^.scfoi^iT ' 



T A B. X L 



Fig. I. LuMBRicus ecbiurus qui linguam amifit , exporredo 

 corpore , confpiciendus fere a later^ vcntrali , feu granulofio- 

 re, ubi uncinuli genitales fiti funt, -'^*^'^ ^^»^^ .1^ :. 



Fig. 2; 



