.G 



K. MITSUKUPJ ; STUDIER ON 







^'B 

 Ö 



ID 



St 



'^ <ét 



-^ 



Textfig. 11. 

 M'dllerîa maurliîina •.—a — Rosettes of ventrnm ; h — Same 

 of dorsum ; c. — c— Oval grains ;/ — Smooth rods ; g -Iloil with 

 branched prr cesses; /i— Kod with serrated margin. (x30Ü). 



tliicker than those of 

 the dorsal perisome, 

 and not so regular. All 

 stages of transition exist 

 between these and the 

 lobed oval grains. Not 

 as mimerons as the 

 elongate rods or oval 

 grains. In the peri- 

 toneum also there are 

 calcareous deposits. 

 These are slender, gen- 

 erally more or less 

 curved rods of a uniform size. Their margin is often smootli, but 

 quite as often somewhat rugged, especially toward tlie ends 

 (0.0G8 X 0.000—0.048 x 0.007 mm.). 



Calcareous ring consists of large pieces. 



This species is also cured for market and exported. It is the 

 form known in commerce as " Zöri-geta " (PI. III., figs. 25 — 27). 

 Its value is CO — 70 Yen per 100 Kin. 



ioca% :— Manritius (Quoy k Gmmajid '33, MÖBirs— Haackf. '80, Lud- 

 wig '83) ; Mozainl)iqne (Bell '84) ; Aiiiirante Is. (Bell '84) ; Darros Is. 

 (Bell '84) ; Qiierimha (Semper '(59) ; Tied Sea (Semper '09) ; Assah (Lud- 

 wig '87) ; Zauzihav (Lampert '95) ; Seyclielles (Lampert '85, Ludwig '99) ; 

 Kosseir (Lampert '85) ; Natal Bay (Lampert '85) ; Ceyl<in (Bell '87) ; Java 

 (Ludwig '82, Sluiter '87) ; Padanjä; (Ludwig '^-ï) ; Biilo Peuang (Ludwig 

 '83, Théel '8(3); Pnlo Edam (Ludwig '>^^); Aiidamaii Is. (Bell '87) ; Simda 

 Is. (Koehler '95); Karakelaug Ts. and Bay of Pidjot (Sluiter : Ol) ; Luzon 

 (Semper 'G7 ) ; Amboina (Ludwig '82) ; Sandwich Is. (Selenka '67) ; Fiji 

 Is. (Selenka '67) ; Samoa (Semper '69) ; Society Is (Selenka '(>7) ; Tahiti 

 (Théel '86) ; Marquesas (Théel '86) ; Paumotu (Théel '86) ; Eooa (Théel 



