340 ^- Hartmeyer: 



* Molgula cürina Alder & Hancock = Molgula citrina Aid. Hanc. 



* Eugyra arenosa Älder & Hancock = Eugyra arenosa (Aid. Hanc). 

 ■f Eugyra glohosa Hancock = Eugyra arenosa (Aid. Hanc). 



-j- Cynthia rosea Alder = Microcosmus daudicans (Sav.). 



Cyntida daudicans Savigny = Mierocosmus daudicans (Sav.). 



* Cynthia squarmdosa Alder = Pyura squamulosa (Aid.). 

 *B. Cynthia ovala sp. nov. = Pyura squainxdosa (Aid.). 



Cynthia morus Forbes == Pyura savignyl (Phil.). 

 Cynthia tessellala Forbes = Pyura tessellata (Forb.). 

 Cynthia limadna Forbes = Pyura tessdlata (Forb.). 

 Cynthia cchinata (Linnaeus) Alder = Bollenia echinata (L.). 

 Slyela tuherosa (MacgiUivray) = Polycarpa singidaris (Gunn.). 

 Styela informis (Forbes) = Polycarj>a singulaiis (Gunn.). 

 Styela quadrangularis (Forbes) = Polycarpa singtdans (Gunn.). 

 Styela mamillaris (Gaertnei') ^ Polycarpa singvlaris (Gunn.). 

 •f Styela opalina (Alder) = Polycarpa singularis (Gunn.). 



* Styela coriacea Alder & Hancock = Styela lovenii (Kor. Dan.). 

 Styela pomaria (Savigny) = Polycarpa dngidaris (Gunn.). 



* Styela satcatida (Alder) = Polycarpa singularis (Gunn.). 



* Styela granulata (Alder) = Styela lovenii (Kor. Dan.). 

 *•{■ Styela humiUs sp. nov. = Polycarpa gradtis Hell. 



* Styela vanabilis sp. nov. = Styela partita (Stps.). 

 *B. Styela obseura sp. nov. = Polycarjia gradlis Hell. 



* Styela comata (Alder) = Polycarpa comata (Aid.). 



* Styela vestita (Alder) = Styela mollis (Stps.). 



■f Styela violacea (Alder) = Styela lovenii (Kor. Dan.). 



* Styela fibrillata sp. nov. = Polycarpa comata (Aid.), 

 ■j- Styela dejtreisa sp. nov. = Polycarpa gradlis Hell. 



•j- Styela northumbrica sp. nov. ^ Styela lovenii (Kor. Dan.). 



[Styelopds] grossularia (Van Beneden) Traustedt = Dendrodoa grossulana (Bened.). 

 •j" [Styelopsis] sphaerica sp. nov. = Dendrodoa grossularia (Bened.). 

 •j" [Styelopsis] lineata sp. nov. = ? Deiidrodoa grossularia (Bened.). 

 f [Styelopsis] glomerata . (Alder) = Distomus variolosus Gaertn. 



Thyladum aggregatum (Rathke) V. Carus [err., non ßathke 1806] == Stolonica 

 sodalis Hartmr. 

 -[- Thyladum a. var. maculatum var. nov. = Stolonica sodalis Hartmr. 



Thyladum Sylvani V. QsiVas ^ Dendrodoa grossularia (Bened.). 



* Thyladum Normani Alder = Distomus variolosus Gaertn. 

 Thyladum variolosmn (Gaertner) = Distomus variolosus Gaertn. 

 Pelonaia cornigula Forbes & Goodsir = Pelonaia corrugata Goods. PVjrl). 

 Pelonaia glabra Forbes & Goodsir = Pelonaia corrugata Goods. J'^orb. 

 Clavelina lepadiformis (0. F. Müller) Savigny = Clavelina lepadifoiinis (Müll.). 

 Clavelina producta Milne Edwards. Spec. ine. 



* Clavelina corrugata sp. nov. = Clavelina lepadiformis (Müll.). 

 Perophora Listeri [Forbes & Hanley] = Perophora listeri Forb. 



