142 Leodicidce from Fiji and Samoa. 



Eunice (Leodice) tubifex or Crossland's small specimens are not tubifex, and I would 

 adopt the latter explanation. It is evident that a comparison of Crossland's figure 

 7, plate 21, with his text-figure 53, showing the jaw of the small and the large individual 

 respectively, indicates that they belong to distinct species. Figure 7 shows the proximal 

 paired plates of the small animal. Crossland in the text gives the formula for these as 

 4-4, but it seems to me that the figure shows 2 teeth on the right and 3 on the left, all 

 teeth very large, while his text-figure 53 shows these plates to have 7 on the left and 

 6 on the right, all teeth very small. The forms of the carriers are also quite unlike. 

 Having made a considerable number of comparisons of the young and adult jaws in 

 other species of Leodice, and having found that the general form is usually quite the 

 same, I am very doubtful if such a jaw as is figured in figure 7 could ever become trans- 

 formed into that of text-figure 53. Again, a comparison of Crossland's figures 8a to 

 Se, showing the setse and aciculse of the small, with his figures 6o to M, showing the 

 same structures in the large, shows very decided differences between the two. On 

 the other hand, the figures of the small animals referred to above agree quite closely 

 with the figures I have given of L. tubicola. The most important differences are that 

 I could not find marginal striations along the edge of the unusual form of compound 

 setae, that the structure of the carrier and forceps as given in his figure 7 do not agree 

 with mine, and that his text-figure 55 shows a gill with 4 branches, while in tubicola 

 I never found more than 1 filament. Points of agreement are the form of the mandible 

 and the general arrangement of the maxilla (Crossland's figure of the distal plates is 

 not clear, but he gives 8-8 as the formula for their teeth) ; the form of the setae and of 

 the aciculse, especially the large hooked ventral acicula, which is exactly like that of 

 tubicola. Crossland states that some of these small animals were sexually mature, 

 which he interprets as meaning that sexual maturity appears before the animal has 

 reached the adult structural condition. I would regard it as an adult condition, and 

 until better evidence is presented for their distinction will include the small specimens 

 of tubifex with tubicola. 



The type is in the American Museum of Natural History. 



Leodice coccinea Grube. 



Eunice coccinea Grube, 1878, pp. 153-155, pi. 9, fig. 1. 



Eunice coccinea Crossland, 1904, pp. 297-303, pi. 20, figs. 6 and 7, text-figs. 46 to 51. 



In life the whole anterior end is dark green and very iridescent, the prostomium 

 a little lighter green than the peristomium, the tentacles a lighter green than either. 

 The tentacles have more or less purplish pigment around their bases and are a lighter 

 green than the prostomium and have uncolored apices. The nuchal and dorsal cirri 

 are colorless, except for a faint greenish band around the middle. The anterior somites 

 are dark green, but at about the region of somite 30 the color begins to lighten and pos- 

 terior to this the green is soon lost, the body-color being a light brown with numerous 

 small yellow spots. The whole posterior region of the body is light yellowish brown, 

 still with the yellow spots, but at the extreme posterior end a purplish tint appears 

 which becomes most intense at the pygidium. There is one pair of anal cirri which 

 are rather stout and colored an intense purple, but with uncolored tips. 



In the preserved material the bases of the cirrophores of the tentacles and a narrow 

 ring around the base of each tentacle are dark purple, the tentacles and anterior cirri 

 are green with uncolored tips, while later cirri are uncolored. The third setigerous 

 somite is much lighter in color than any of the others. The peristomium is very dis- 

 tinctly marked dorsally by anastomosing longitudinally arranged purplish lines, and 

 this is continued but very faintly over the succeeding 2 or 3 somites. The quasi- 

 articular condition of the tentacles mentioned by Grube is showTi only by WTinkles. 



The single specimen in my collection does not agree with Grube's figure 1, plate 9, 

 in that it has much shorter tentacles, the prostomium is more decidedly bifid and the 

 third setigerous somite is uncolored. Grube states, however, that an African specimen 



