Leodicidce from Fiji and Samoa. 139 



regenerating; it has one pair of very short anal cirri colored like the anterior cirri and 

 tentacles. 



The gills arise as 2 branches on the right side and as 3 branches on the left side of 

 somite 11 and extend throughout approximately 160 somites. The tenth parapodium 

 has on the right side a gill with 5 filaments (plate 2, fig. 9). From setigerous somites 

 20 to 60 the gills are long enough to meet across the dorsal surface and may have as 

 many as 9 filaments, but throughout the greater number of the posterior gills the 

 number of filaments is reduced to 1. 



The first parapodium has a thick dorsal cirrus, slightly smaller than the nuchal 

 cirri, but otherwise similar to them in form. There is a very small setal lobe and a 

 thick ventral cirrus. Parapodium 10 has a rounded postsetal lobe, the presetal 

 with a concave margin (plate 2, fig. 9, posterior view) ; there are 2 very black aciculse. 

 The dorsal cirrus is finger-shaped, ^^^th the 5-branched gill arising at its base. The 

 ventral cirrus is conical, on the end of a very prominent pad-like swelling. I was 

 unable to find any needle aciculse in the dorsal cirrus. 



The fiftieth parapodium (plate 2, fig. 10) is not very different in general outline 

 from the tenth, though the ventral cirrus is smaller. This difference is exaggerated 

 in the drawing because the cirrus is partly under the ventral lobe and does not entirely 

 appear. The dorsal cirrus is short and seems to arise from the base of the gill, the 

 latter being so much greater in diameter than the cirrus. There are 2 dorsal aciculse 

 and 1 ventral one. The gill has 8 filaments arising from a base which is very thick at 

 the point of attachment, but narrows toward the apex. A posterior parapodium 

 (plate 2, fig. 11) is broadly rounded in profile, with very little distinction between 

 anterior and posterior hps. The cirri are small. There are 2 aciculse, 1 dorsal and 

 1 ventral, both very black. 



In the tenth parapodium there is a tuft of simple setae with a few pectinate, and a 

 ventral tuft of compound ones, this latter tuft being much stouter than the other. 

 A few of the simple setae were bilimbate, but this did not show in all cases. In the 

 fiftieth parapodium the pectinate setae show an increase in number over the conditions 

 found in the tenth, with a corresponding decrease in the number of simple ones. In 

 posterior somites the pectinate setae are more numerous than the simple ones and have 

 extremely long stalks extending beyond the apex of the dorsal cirrus. 



A simple seta from the tenth parapodium (text-fig. 12) is very slightly widened 

 and curved toward the end. In the one drawn the margins are smooth, in others 

 there is a marginal fin. The compound setae have rather heavy stalks, the terminal 

 joints with apical and subapical teeth covered by hoods with smooth margins (text- 

 fig. 13). The pectinate setae have about 16 teeth, the terminal one at one end of the 

 row being longer than the others (text-fig. 14). 



The dorsal aciculse are bluntly rounded at the apex (text-fig. 15); the ventral ones 

 have terminal and subterminal teeth, the latter the larger; the apices are hooded 

 (text-fig. 16). 



The maxilla (plate 2, fig. 12) is very dark, showing in the translucent portions a 

 lighter brown. The carrier is large relative to the forceps. The proximal paired 

 plates have 5 teeth on the right and 5 on the left, the distal paired have 8 on the right 

 and 6 on the left; the unpaired has 7. The mandible is lighter brown in color than is 

 the maxilla, but has longitudinal brown stripings in each of the basal halves. The 

 beveled portion has concentric lines (plate 2, fig. 13). 



The type is in the American Museum of Natural History. 



Leodice tubicola, new species. 



Plate 3, figures 1 to 6; text-figures 17 to 23. 



One entire specimen collected on rocks near Breaker Point, Pago Pago Harbor. 

 It was in a tube which had a membranous foundation covered with debris, the tube 

 having a general zig-zag outline with blindly ending branches. The tentacles and cirri 



