NILS HJ. ODHNER 



Fa m. Limacinida^e. 

 Limacina [Spirialis) balea Möller. Kvalø, many sps. 



Fa m . Aplysiida e . 

 Aplysia' rosea Rathke. Florø, many sps., max. 1. 50 (M. 

 Sars, det. as „A. guttata = A. hybrida Sow".) — Manger, 9 sps., 

 max. 1. 30 (M. Sars, det. as „A. guttata S. = A. hybrida Sow.")— 

 Bergen, 2 sps., (Moren), max. 1. 25 — Espevaer (Bidenkap July 

 1893), 4 sps., max. 1. 35 — Farsund, 1 sp., 1. 65 — Lindesnaes 

 (M. Sars 1845), 2 sps., 1. 60 (det. as „A. guttata M. Sars, 

 Archiv f. Naturg. 1840")— Mokkalas light, Narestø, Risør (Barth 

 Nov. 1906), 1 sp.,, 1. 31. 



Fam. Pleurobranchidae. 

 Pleurohranchus sideralis Loven (P. plumula G. 0. Sars, 

 »zon Montagu). Valderssund,l sp., 1.11 — Apelvaer,2 small sps. For 

 statements about this species cf. Bergh 1898 (Malac. Unters, p. 126). 



Fam. Tritoniidae. 



Tritonia hombergi Cuvier. Trond hjemsf jorden (Storm 1870), 

 1 sp., 1. 35.— Nevlunghavn, 1 sp., 1. 20 — Drøbaksgrund (Olstad 

 Vs 1914), 1 sp., 1. 65- Kristianiafjorden (^/u 1886) 1 sp., 1. 

 39, with egg cordons translucent through the foot sole. 



Tritonia plebeia Johnston. Florø, 4 sps., max. 1. 9 — Lille- 

 sand, 3 small sps. 



Tritonia lineata Alder & Hancock. Florø, 1 sp., 1. 4. 



Tritonia griegi n. sp. (T. plebeia Johnston, var., Grieg 

 1897)1. Skjaergehavn, 1 sp., 1. 42 (E. Arnesen Aug. 1898). This 

 specimen, in all respects, agrees with a form likewise collected 

 in Skjaergehavn, and described by Grieg in 1897 under the 

 above name. Having made an examination of the present spe- 

 cimen, as well as a comparison of the descriptions and the figures 



1 J. A. Grieg. Bidrag til kundskaben om Vestlandets mollusker. II 

 Nogle nudibranchiater. Bergens Mus. Aarbog for 1895. Bergen 1897. 

 Cf. also Grieg, Bidr. kundsk. om Hardangerfjordens fauna. Ibidem 1913. 



