ROl \ 



■ak. almost ringshaped labial plate, composed oi densely 

 meats with cleft points. The radula has small median tooth-plates and 

 ith denticulated margins Glans penis is provided with rows of small thorns. 



re known, chiefly from the cold seas, and then sp 

 ubt, possiblj these forms belong to one and the same species. 



i. C. repanda (A. et Hi. 



M. atlant or. et occ 



2. C. glabra (Friele et Arm. Hansen). 

 M. ail. or. septentr. 



3. (". Clarae, Jher. 



M. mediterr, 



4. ('. pacifica, 1: 



M. pacific, septentr. 



Cadlina repanda (Aid. et llano. 



R. Bergh, 1. c 1879, p. 115(171) i^ipm. PLV, fig. 15; PL VI, fig.2i 22; PI. VII, fig. 9— 18; 

 PI. VIII, fig 3-6. 

 I.e. [894 p. 169 — 171. Taf. VII, fig. 4— 11. 



PL II, Kg. 16 19. 



At station 27 i. e. on 64 54' Lat N. and 55 [o'Long. W. a single specimen of this species was 

 d at a depth of 393 faths (temp. 3°8). 



The specimen that had been preserved in alcohol of 70% showed a chiefly whitish colour, and 



mewhat stiff and frangible consistency. The length was 13""" by a breadth of / mm and a 



■; the breadth of the foot was 3""", the length 10"""; the breadth of the mantle-edge was 



; the height of the almost outstretched rinophoria 2""", and of the retracted -ill likewise 2""". 



The miter form was as usual in this species. The club of the rhinophoria strongly perfoliate; 



there appeared only to be seven gill-leaves; the genital papilla as usual. 



The skin was densely stuffed with very long, slightly yellowish, cylindrical spicules, sometimes 

 slightly and sparsely rugged on the surface, strongly calcified, and measuring 0-025""" m diameter. 



The bulbns pharyngeus was strong, of a length of 275"" with the radula-sheath 



UOUS on the under part of the posterior end; the elements of the broad, yellow, ring- 



a height of o-075 mm (fig. 16). The tongue was broad and flat; the almost 



56 rows, and further backward appeared still 50 rows, the four hindmost 



Inch were not yet quite consolidated; thus the total number of rows was 86. The number of 



was in the hindmost part of the tongue 44'). The tooth-plates were almost 



the length of the median teeth rose to 004""", and the height of the lateral teeth rose to 



fore examined individuals was 51 70 and 96; the number of tooth- 



ind 31. I- the number of tin- series of teeth was 1.; 85, ind "i tin- plates in 



