EXPLANATION OF PLATE XL VIII. 



Ophelia dannevigi, sp. nov. 

 Fig. 36. — A parapodiuin and gill, the latter cut short (much 



enlarged). 

 Fig. 37. — Ventral view of the posterior end ( x 20). The 



chsetse and gills are cut short on the left of the 



figure. 



Asychis victorice, sp. nov. 

 Fig. 38 — Side view of the fragment (x 2). 

 Fig. 39. — Ventral view of the anterior end (x 2). 

 Fig. 40. — Dorsal view of anterior end ( x 2). 

 Fig. 41. — A notopodial bundle of chsetse (x 35). The long 



capilliforms are cut short. 

 Fig. 42. — One of the neuropodial chsetae ( x 35). 

 Fig. 43. — The apex of a neuropodial chseta ( x 250). 

 Fig. 44 — A portion of a capilhform chseta near its apex 



(X 360). 

 Fig. 45. — One of the shorter flanged, finely pointed chsetse 



from a notojoodial bundle (x 250). 



Spirohranchus latiscapus, Marenzeller. 



Fig. 46. — Entire animal ( x 2). 



Fig. 47. — Ventral view of the anterior end ( X 4), showing 

 the V-shaped furrow in which the ventral glands 

 he, and behind them the transverse ventral portion 

 of the jjaUivnn or thoracic membrane ; the gills 

 have been cut short. 



Fig. 48. — Side view ( x 4) to show the latero-dorsal lobe of 

 the collar. The gills and operculum are now 

 omitted. 



Fig. 49. — Operculum ( x 6) in its fullest stage of develop- 

 ment with a conical terminal jjlate. 



Fig. 50. — One of the collar chsetse (x 250). The tip is 

 broken. 



Protulopsis palliata, Willey. 



Fig. 51. — Side view of the anterior end ( x 6). The gills cut 

 short and the collar somewhat cUagrammatically 

 treated. 



Fig. 52. — Ventral view of the collar ( x 6), sho\\"ing the great 

 development of the ventral lobe of the collar, which 

 forms a pouch, the base of which overhangs the first 

 segment. On the gill-base is a curious upstanding 

 semicircular fold. 



Fig. 53. — Dorsal view (x 6). The pallium or thoracic mem- 

 brane on the left side is cut away. The peculiar 

 anterior continuation of the dorsal lobe of the 

 collar (?) is seen passing along the gill-base to which 

 it is adherent. 



Fig. 54. — An uncinus, greatly enlarged. 



Fig. 55. — An abdominal chaeta (x 250). 



