158 UNIDENTIFIED LIMPETS. 



vated, very acute ; margin entire, colored with alternate black and 

 white lines. Length 18, breadth 14 mill. (H. & J. in Ann. Sci. 

 Nat. (2), xvi, p. 192, 1841.) 



Vavao. 



P. ORICHALCEA Philippi. 



Shell ovate-elliptical, depressed-conoid, rather thin, pellucid, pale 

 corneous; having about 20 narrow, reddish-brown low radiating 

 ribs, and sometimes reddish-brown decurrent streaks in the inter- 

 stices. Interior beautiful silvery-golden, the center pale brown ; 

 apex at i to i of the length. Margin subdentate by the ribs. 

 Length 18, breadth 14, alt. 5* lines. (Ph.) 



New Zealand. 



P. orichaleea PHIL., Zeitschr. f. Mai. 1848, p. 163. 

 Compare P. radians and its varieties. 



P. RETICULATA Anton. Oval, widened in front ; apex posterior ; 

 strong-shelled ; finely longitudinally striated. Ground-color yel- 

 lowish-white, with brown reticulated markings, which in front flow 

 into a broad ray. Length 7, .breadth 1\ lines. (Anton, Verzeich- 

 niss, p.. 25, 1839.) 



P. SOLIDA Anton. Oval, strongly arched ; apex nearly in the 

 middle. Strong-shelled, ribbed, irregularly rayed and flecked with 

 white and brown. Muscle-impression very large. Length 6, 

 breadth 4-} lines. (Anton, Verzeich. p. 25.) 



P. OLIVACEA Anton. Refers to Gualtieri pi. 8, fig. R. No de- 

 scription. The cited figure is unidentifiable. (Verzeich. p. 26.) 



P. LINEOLATA Anton. Oval, high.. Apex at the first third of 

 the length ; white, with many small lines and strokes. Cavity of 

 the inside brown, otherwise white within, Length 6, breadth 4 

 lines. (Ant, Verzeich. p. 26.) . 



P. ALBA Anton. No description. Refers to Gualt. t. 8, fig. L, 

 =P. ccerulea ! (Verzeich. p. 26.) 



P. SERPUL^EFORMIS Anton. Oval, pretty high, with 10 ribs, 

 some projecting over the margin ; brown ; inside yellowish-white. 

 Muscle-impression with brown vermiform lines. Length 10, 

 breadth 8J lines. (Verzeich. p. 26.) 



