Acatit/tocloris.] GASTROPODA. 559 



sides ; Eliot thinks that the original colour may have been black or 

 bluish ; under-side of the mantle marked with reddish lines formed 

 by spicules ; some of the lower tubercles have a reddish or brownish 

 tinge at the base ; the rhinophores are faint purplish, becoming lighter 

 at the apex ; the branchiae are variegated with grey ; foot and oral 

 veil yellowish- white. 



Length, 21 mm. ; breadth, 13 mm. 



Having examined a type specimen, Sir Charles Eliot gives the 

 following supplementary details : Contrary to Abraham's statement, 

 the labial armature with the 2 blades is quite distinct. It is formed 

 of mace-like elements, swollen below the tip, but ending in a point, 

 and not denticulate or divided. They are set in unusually regular 

 rows. The formula of the radula is about 34x7+1 + 0+1 + 7. 

 The first lateral is of the usual shape, and bears 3-4 denticles. The 

 second to sixth laterals are all erect, and, though much smaller than 

 the first, retain something of the hamate shape. The seventh is a 

 flat plate. 



Type in the British Museum. 



Hob. New Zealand, exact locality unknown. 



Remark. This is possibly identical with A. metulif&ra, Bergh 

 (in Semper's Keise Philipp., Malac. Unters., vi, 2, 98. 1905), described 

 from a single specimen obtained in Tasmania ; but there are differences 

 of detail in the radula and labial armature. (Eliot.) 



2. Acanthodoris molicella, Abraham, 1877. 



Amnthodoris molicella, Abrah., P.Z.S., 1877, 262, pi. 30, f. 1-4 ; M.N.Z.M., 

 28 ; Eliot, P. Mai. S., vii, 329, 349. ? A. pilosa novce-zealandioe, Bergh, 

 Semper's Reise Philipp., Malac. Unters., vi, 2, 94, pi. 6, f. 23-26 ; pi. 7, 

 f. 1. 



Body ovate, convex, soft. Mantle covering the back and sides, 

 but not extending over the border of the foot ; bearing above large, 

 long, linear or subconical soft papillae, which are larger than is usual 

 in the genus, and are especially numerous at the sides and around 

 the branchiae. Rhinophores long, slender, pointed, apparently conical 

 and laminated far down ; the denticulated sheath, through which each 

 is retractile, has 2 of the antero-lateral divisions enlarged and pro- 

 duced into 2 long, flat, conical papillae. Branchice 1 to 9, bipinnate, 

 non-retractile, their bases united, and set in a star round the short 

 tubular anal opening. Oral veil short from before backwards, with 

 the lateral ends free and flattened. Foot broad and oblong, truncated 

 (or the outline curving inwards) in front, and without a transverse 

 groove ; it is flatly rounded behind, and the border all round is 

 flattened, crenulate, and extending beyond the mantle, particularly 

 posteriorly. Colour (in spirit) uniform olive-brown. 



Length, 28 mm. ; breadth. 18 mm. (alcohol specimen). 



Sir Charles Eliot, who examined a type specimen, supplies the 

 following additional information : The labial armature, with its 



