374 RHIPIDOGLOSSATE AND DOCOGLOSSATE MOLEUSCA OP N.Z., 



Acmjea fkagilis. Chemnitz, Conch. Cab. XI., fig, 1921, (1790) ; 

 Quoy and Gaimard, Voy. Astrolabe, Zool. III. p. 351, pi. 

 71, figs. 28-30 (1834); Gray, Figs. Moll. Anim. pi. 114, fig. 

 7. Patella unguis-almce, Lesson, Voy. Coquille, Zool. II., p. 

 420, (1830). Patella solandri, Colenso, Tasmanian Journal of 

 Science, 1844. 

 Habitat. — Auckland to Dunedin. 



Shell thin, depressed, the apex marginal. Green with concen- 

 tric brown bands. 



The dentition is not known. 



Family. Patellice* 



Genus. Patinella. Dall. 



Shell solid, the apex sub-central or anterior. Branchial wing 

 interrupted in front. 



Radula with a central plate, two laterals and one or two rows 

 of rudimentary marginals on each side. Mouth entire below ; 

 margin of the mantle fringed. 



I have altered the characters of this genus (which is founded 

 on P. magellanica) so as to include all our Patellas, as they are 

 evidently closely related. 



Patinella strigilis. Hombron and Jacquinot, Ann. des Sci. 



Nat. Zool. Series 2, vol. 16, p. 190, (1841). P. magellanica, 



Manual of N.Z. Mollusca, (18H0). 

 Habitat. — Banks' Peninsula to Shag Point, Otago. Auckland 

 Islands, Campbell Island. 



Shell large, solid, obliquely conical, high, with about 20-30 

 low radiating ribs ; the apex sub-central or rather anterior. 

 Brown, obscurely marked with yellowish ; interior greenish or 

 yellowish-brown above the muscular impression, bluish-white and 

 iridescent below it, the margin brown. 



* The following species are omitted as not really inhabiting New 

 Zealand : — 

 Patella granulans, Linn.; inhabits South Africa 

 Patella cochlear, Born.; inhabits iSouth Africa 

 Patella stella, Lesson ; Habitat not known. 



