Gatfy Marine Laboratory^ St. Amheto.^. 49 



and spinose tips. The dorsal cirrus behind has au enlaro-ed 

 base and gently tapered tip. After an interval the slightly 

 conve:? and long inferior division occurs, with a prominent 

 blunt lobe or papilla rather below its middle postcriorlv, 

 and directed inward and backward. A dense series of the 

 strong and slightly brownish curved (club-shaped; bristles 

 occupies the whole length of the division, with a few tapering, 

 serrated forms amongst them. Most of the short strong 

 forms show distinct serrations towards the curve. The 

 ventral division ends in a notch ventrally. After the change 

 in the structure of the foot occurs, as at the 23rd, the 

 slightly tapered dorsal cirrus has in front of it a group of 

 long tapering bristles with smooth shafts and serrated tips, 

 Avhich are supported by four spines. A low rounded papilla 

 closely adjoining the foregoing represents the inferior divi- 

 sion, with two spines and a few slender serrated bristles. 

 Posteriorly a ventral cirrus appears beneath the division. 



3. On the Goniadidae, Glyceridse, and Ariciidse of the 

 ' Porcupine' E.vpeditions of 1869 and 1870. 



Goniada pallida, Arwidsson. 

 In a large but fragmentary example from 81 fathoms, off 

 Cape FinisteiTe, dredged by the "^ Porcupine ^ in 1870, the 

 processes of the feet are proportionally long. A similar 

 form comes from Cape Sagres in the same expedition. In 

 both the ventral bristles are long and strong. The examples 

 are the largest of the series. The head appears to be typical. 

 The body is massive, glistening, and characterized by the 

 elongate feet. It is incomplete posteriorly. The proboscis 

 has two larger teeth, which are somewhat irregular in 

 outline, and more numerous smaller denticles than in 

 G. maculuta. 



The V-shaped denticles are more numerous than in the 

 common species, viz. 12-13 in number. It is the apex of 

 these which acts on the food. The larger denticles (PI. IV. 

 fig. 3) are less regular in outline than those of G. maculuta, 

 and the teeth are not in a uniform series. One, indeed, lias 

 only a median large and two smaller curved teeth without 

 the lesser processes. 



The individuals in the row of smaller denticles varied con- 

 siderably among themselves, but they did not seem to diverge 

 much from the type seen in the ordinary form. They 

 were, however, much more numerous — smaller being inter- 

 mingled with the larger. The papilke observed did not 

 differ from those of the ordinary form (PI. IV. fig. 5). 

 Ann. d; Maj. X. Ih'st. Ser. 7. J'ol. xv. -4 



