Revision der Turbellarien, 



205 



•J- | Proboscis terminalis e margine capitis protraciilis. 



XLVII. POLINA STIMPSON i). 



Poliae spec. Slimpson. 



Corpus valde contractile depressiusculum. Caput discretum vel 

 subdiscretum. Proboscis terminalis laevis, ex apertura in margine 

 frontali inferiore sita protractilis. Os . . . . Ocelli plurimi in acervos 

 quatuor aggregati. Sexus et atius .... Oceani indici et atlantici 

 incolae. 



1. Polina rhomboidalis STIMPSON. 



Corpus depressiusculum, antrorsum latius, pallide rubrum, fas- 

 ciis duabus longitudinalibus inconspicuis. Caput parvum, subdiscre- 

 tum, breve, antice rotundatum. Ocelli quatuor in singulo acervo, in 

 rbombum dispositi; acervi posteriores minores maculis obscuriori- 

 bus impositi. Longit. 1", latit. vix 1 / 2 '". 



Polia rhomboidalis Stimpson: in Proceed. Acad. Philad. VII. 390. 

 Polina rhomboidalis Stimpson: Prodr. II. 21. 



Habi tacul u m. Liitoraiis sub lapidibus in portu Jacksoni Au- 

 straliae (Stimpson). 



2. Polina grisea STIMPSON. 



Corpus longum depressiusculum, sub extensione subcylindricum, 

 pallide griseum. Caput discretum, ovatum v. subcordatum, corpore 

 angustius, antice acutum. Ocellorum acervi anteriores majores, elon- 

 gati, in parte anteriore laterali capitis submarginaliter dispositi, 

 ocellis in utroque acervo decem; acervi posteriores cervicales parvi 

 lineares, ocellis in utroque quatuor. Longit. ad 1", latit. '/ 3 '". 

 Polia giisea Stimpson: Proceed. Acad. Philad. VII. 390. 

 Polina grisea Stimpson: Prodr. II. 21. 



Habi tacul um. Sublittoralis inter Vlvas in locis limosis, in 

 porfu Virginiano ,.Norfolk" (Stimpson). 



3. Polina cervicalis STIMPSON. 



Corpus gracile cervice angustatum, supra salmoneo- rubrum. 

 Caput discretum late rhomboidale, antice obtusum et emaryinatum. 

 Ocelli minuti, in acervos quatuor confluentes aggregati; anteriores 



i) Animalcula a cl. Gaimard in Voyage en Scandinavie etc. Zool. Tab. C. 23—29 

 depicta forlasse huie generi proxima. 



