Mit forrige arbeide, ,.Oversigt over Norges Ascidiae 

 simplices-', hvortil under de fleste arter er henvist, kaldes 

 overalt kun ,.Oversigt". Følgende fra 1893 udkomne arbei- 

 der er af særlig interesse for kjendskabet af Norges Asci- 

 diae simplices og deres geografiske udbredelse og citeres i 

 teksten i forkortet form: 



Herdman, Notes on British Tuniuata, II (Journal af Lin- 

 nean Society. Zoology. vol. XXIV. 1894, pag. 

 431). 



Især vigtig ved revision af de af Alder i^c 

 Hancock beskrevne Ascidier samt hans bemærk- 

 ninger til et par norske Sfi/chi-iormer. 



Jacohsohn, Ueber d. Tunicaten d. weissen Meeres. (Tra- 

 vaux de la soc. d. Natural. d. St. Petersbourg. 

 Sect. d. Zoolog, vol. XXIII. Petersb. 1892, 

 pag. 156). 



En kort fortegnelse med revision af Wagners 

 arter; russisk tekst med kort tysk résumé. 



Norman, A month on the Trondhjem Fiord. (Annals a 

 Mag. af Nat. Hist. (ith Ser. vol. 12. 1893, 

 pag. 443). 



Resultatet af hans skrabninger i Trondhjems- 

 fjorden. Herdman liar bestemt Ascidierne og 

 angiver 2 for vor fauna nye arter. 

 Traiisfedt, ..Ascidiae simplices" i ,.Det videnskabelige ud- 

 bytte af kanonbaaden ..Hauclfs" togter-. Bd. 

 V. Kjobenh. 1893, pag. 309. 



Kort fortegnelse over samtlige ved Danmark 

 fundne Ascidiae simplices. 



j-'iv nrevious work. 



jtrevious woric. ..Oversigt over Norges Ascidiae 

 simplices-'. to which reference is made under most of the 

 species, is in every case called only ..Oversigt". The fol- 

 lowing works. published since 1893 are of especial interest 

 in making acquaintance with the Norwegian Ascidiæ sim- 

 plices and their geographical distribution, and are cited in 

 the text in an abbreviated form. 



Herdman. Notes on British Tunicata, II (Journal of Liu- 

 nean Society, Zoology. Vol. XXIV. 1894. p. 431 ). 



Especially important on account of the As- 

 cidiæ described by Alder and Hancock, and the 

 author's remarks on a few Norwegian Styela 

 forms. 



Jacohsohn, Ueber d. Tunicaten d. weissen Meeres. (Tra- 

 vaux de la soc. d. Natural d. St. Petersbourg, 

 Sect. d. Zoolog. Vol. XXIII. Pétersh. 1892, 

 p. 156). 



A sliort list with a revision of Wagner's 

 species; Russian text, with a short German 

 résnmé. 



Norman. A Month on the Trondhjem Fjord. (x\nnals a 

 Mag. of Nat. Hist. C.th Ser. Vol. 12. 1893. 

 p. 443). 



The result of dredgings in the Trondhjem 

 Fjord. Herdman has detei-mined the Ascidiaus. 

 and gives 2 species new to the Norwegian fauna. 



Transfcdt. ..Ascidiæ simplices" in „Det videnskabelige ud- 

 bytte af Kanonbaaden „Hauch's" togter-'. Bd. 

 V.. Copenli. 1893. p. 309. 



A short list of all Ascidiæ simplices found 

 on the coasts of Denmaik. 



