NILS HJ. ODHNER 



addition, is similar to Lophodoris in its radula which has a 

 small hook in each marginal tooth, but otherwise the whole 

 habitus of the animal indicates a true Goniodoris. Like the 

 remaining species of this genus it has perfoliate rhinophores. 

 A further difference from Lophodoris is offered in the papillae, 

 which are dispersed all over the upper surface of the body. 



Idalia pulchella Alder & Hancock. Vadsø, 2 sps., max. 

 1. 4— Aalesund, 1 sp., 1. 3.5— Molde, 10—14 fms. 1 sp., 1. 

 4.5 — Mebotten, Storeggen, 50—60 fms, 1 sp., 1. 8 (det. as 

 „I. cirrigera Phil.")— Valderssund, 1 sp., 1. 6 — Sunde, Har- 

 dangerfjord, 2 sps., max. 1. 5 — Rennesø, 1 sp., 1. 4 — Sande, 

 1 sp., 1. 5 — Egersund, 2 sps., max. 1. 8. 



Ancula cristata Alder. Vadsø, 2 sps., max. 1. 5 — Florø, 

 3 sps., max. I. 4.5 — Farsund, 1 sp., 1. 4 — Kristianiafjord, 1 sp. 



Fam. Aeolididae. 



Aeolis papulosa Linné. Øxfjord, Finmarken, 3 sps., max. 1, 

 23 (one det. as „Doris bodoensis Gunn.", two as „Aeolis papu- 

 losa") — Skraaven, Lofoten, 20 fms, 1 sp., 1. 14 — Bergen, 1 

 ßp., 1. 23 — Lillesand, 1 sp., 1. 11 — Kristianiafjorden, 1 sp., I. 

 33- Drøbaksgrund (S. L. 1907), 1 sp., I 28. 



Cuthona aurantiaca Alder & Hancock. Vadsø, on the 

 strand, 5 sps., max. 1. 11 — Tromsø, 2 sps., max. 1. 7.5 — 

 Selsøvik, 1 sp., 1. 5.3— Moldø, 1 sp., 1. 8 — Kvalbein, 1 sp., 

 1. 5— Utvaer, 20 fms., 1 sp., 1. 5. 



Cuthona nana Alder & Hancock. Vadsø, 40 — 60 fms, 2 

 sps., max. 1. 4 — Rennesø, 1 sp., 1. 2.5 — This species was 

 previously not known north of Aalesund (G. O. Särs 1878). 



Guthona distans n. sp. (Figs. 11, 12) Vadsø, 8 sps., max. 

 1. 3 (det. as „Cratena sp."). Body broad and short, head trans« 

 versally expanded with the sides produced into stout oral ten- 

 tacles, somewhat shorter than the rhinophores; foot with the 

 anterior corners rounded. Papillae cylindrical, arranged in 7 rows 

 of, at the most, 4 in each; the three foremost rows more near 



