MADEIRA AND THE CANAKY JSLANDS. 



155 



First four pairs of swimming-feet (fig. 3) have strong muscular 

 basal joints, from which proceed two 3-jointed branches with thick 

 terminal setae. Fifth pair of feet each composed of a long 

 joint, at the apex of which are three strong spinous setse. Abdo- 

 men very muscular ; the caudal setse are short, broad, and diver- 

 gent, and are each terminated by three strong setae. 



One specimen only (a female) was taken in the tow-net at 

 Orotava, Tenerilfe. The lower part of the body is of a deep 

 sepia colour. The animal is remarkably rigid and muscular. 



Quite recently a second form, evidently belonging to this new 

 genus, has been found in the channel between Puffin Island and 

 Anglesea. It is probably a male, and I am describing it under 

 the name Ci/mbasoma Ilerdinani. It will be figured along with 

 other new species from Liverpool Bay in the second volume of 

 the ' Proceedings of the Liverpool Biological Society.' 



EXPLANATION OF THE PLATES, 

 Plate X. 



Fig. L Candace nigrocincta, n. sp., male. X 250. 



2. Posterior antenna of ditto. X 400. 



3. First foot-jaw of ditto. X 400. 



4. Fourth pair swimming-feet of ditto. X 400. 

 6. Fifth pair swimming-feet of ditto. X 400. 



6. Abdomen and caudal segments of ditto. X 400. 



7. Candace brevicornis, n. sp., female. X 250. 



8. Fourth swimming-foot of ditto. X 400. 



Plate XL 



Fig. L Mecynocera Clausi, n. sp., female. X 250. 



2. Eleventh, twelfth, and thirteenth joints of left anterior antenna of ditto, 



showing saw-teeth. X 400. 



3. Fourth swimming-foot of ditto. X 400. 



4. Abdomen and caudal segments of male ditto. X 400. 



Plate XII. 



Fig. L Machairopus sductce-crucis, n. sp. " X 250. 



2. Anterior antenna of ditto. X 400. 



3. Posterior antenna of ditto. X 400. 



4. Fourth pair swimming-feet of ditto. X 250. 



5. Fifth swimming-foot of ditto. X 250. 



6. Acontiophorus angulatus, n. sp., female, X 250. 



7. nostrum of ditto. X 400. 



8. Anterior antenna of ditto. X 400. 



