KUNGL. SV. VET. AKADEMIENS HANDLING AR. BAND 41. N:f) 4. äl 



B. Papillae with 2—3 greenishbrown rings. 



1. Papilla? in 5 — 6 rows of 1—3 each, club-shaped with a broad conical 

 point. Colour yellowish white, marbled with green or brown ; papillae 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 (Alder & Hancock 1848) 



= Tergipes lacinulatus Gmelin of Loven 1846. 



PI. [II fig. 21. 



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

 with olive-brown; the rhinophores and the tentacles with one, the papilla' 

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



G. cingulata (Alder & Hancock 1842). 



C. Papilla 1 without rings and bands, 



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

 minute brown spots at the back; papillae yellow, white at the tips. Radula with 35 rows : the 

 central teeth with 4 denticles at each side. L. 10 mm. G. flavescens Fkible & Hansen 1876. 



2. in 6 rows of 2 — 3 papilla? each. Body yellow with reddish brown dots 



all over ; papilla? orange at the base, yellowish in the upper part and 



with white dots 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 papilla? in 13 — 14 rows of 3—5 each, elliptical. Colour pale yellow; 

 papilla? 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). 



pi. n fig. i7. 



Coryphella Gray 1850. 



I. Papilla? in clusters ; anterior angles of the foot narrowly produced ; body taper- 

 ing behind. 



A. Rhinophores = the oral tentacles. 



1. Radnla 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; papilla? in 

 6 — 7 clusters with 6 — 7, 4, 2 — 3 rows resp.. the largest ones of 4 papilla?; 

 rhinophores slightly corrugated. Colour white, branchia? 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; papilla? in 5 — 6 clusters with 4, 3, 2, 1 rows; 15 — 17 papilla* 

 in each of the foremost clusters, which unite behind the rhinophores. 

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



C. pelhicida (Alder & Hancock 1843). 



