KUNGL. SV. VET. AKADEMIENS HANDLINGAR. BAND 4l. N:0 4. 31 



B. Papillee with 2—3 greenishbrovvn rings. 



1. Papillee in 5 — 6 rows of 1—3 each, chib-shaped with a broad conical 

 point. Coloiir yellowish white, marbled with green or brown ; papillse with 

 2 — 3 brown or olive-coloured bands, at the ends with a white ring and 

 sometimes a red ring at the tip ; radula with 40 rows ; 4 denticles on 

 each side of the central teeth; laterals with a small basal process. L. to 

 20 mm. G. exigua (Ålder & Hancock 1848) 



= Tergipes lacinulatus Gmelin of Loven 1846. 



1'1. JIT tig. 1^1. 



2. Papillse in 8—9 rows with 3 — 5 each, elongated. Colour white, marbled 

 with olive-broAvn ; the rhinophores and the tentacles with one, the papillse 

 with 3 orange-brown bands. L. 10 mm. Radula ? 



G. cingulata (Ålder & Hancock 1842). 



c;. Papill* without rings and Ijauds, 



1. in 7 — 8 rows of 3 — 5 each. long and tliick. Colour white or light yellowish, sometimes with 

 minute brown spöts at the back; papilla? yellow, w^hite at the tips. Radula with 35 rows; the 

 central teeth with 4 denticles at each side. L. 10 mm. G. ilavescens Feiele i^' Hansen 1876. 



2. in 6 rows of 2 — 3 papillse each. Body yellow with reddish brown döts 

 all över ; papillse orange at the basa, yellowish in the upper part and 

 with white döts at the tips. Radula with 35 rows; the central teeth 

 with 4 — 5 denticles on each side. L. 5 — 8 mm. 



G. rupium (Möller 1842). 

 II. Dorsal papillse in 13 — 14 rows of 3 — 5 each, elhptical. Colour påle yellow; 

 papillse violet in the central line, near the tips orange-circled. Central teeth of 

 the radula with 4 denticles; the lateral spines much produced. L. 25 mm. 



G. tricolor (Forbes 1838). 



Pl. II «g. 17. 



(Orypliellii Gray 1850. 



I. Papillse in dusters; anterior angles of the foot narrowly produced; body taper- 

 ing behind. 

 A. Rhinophores = the oral tentacles. 



1. Radula with 13—20 rows; lam. med. with 5 — 7 denticles on each side, lam. 

 lat. with 12 — 14 ones and with the apex curved outwards; papillse in 

 6—7 dusters with 6—7, 4, 2—3 rows resp., the largest ones of 4 papillse; 

 rhinophores slightly corrugated. Colour white, branchise rose-coloured with 

 a white ring near the apex. L. to 25 mm. 



C. rufibranchialis (Johnston 1832). 



2. Radula with 26 — 27 rows; lam. med. with 8 denticles on each side, lam. 

 lat. smooth ; papillse in 5 — 6 dusters with 4, 3, 2, 1 rows; 15 — 17 papillse 

 in each of the foremost dusters, whidi unite behind the rhinophores. 

 Colour white, transparent, papillse rose-coloured with white ends. L. 16 mm. 



C. pellucida (Ålder & Hancock 1843). 



