264 



PROCEEDINGS OF THE NATIONAL MUSEUM. 



VOL. 57. 



LINGULA TRANSLUCIDA, new species. 



Valves polished, very thin, more or less translucent, of a ruddy 

 brown, darker distally, paler at the umboncs, the margins in drying 

 recurved but not gaping anteriorly, ovate with sharply pointed beaks, 

 the peduncle not greatly longer than the valves; length of dry shell 

 25, breadth 12, diameter about 5 mm.; the setae short. 



Type locality. — Java, Ward. 



The only described species which approaches this is Lingula Tiirundo 

 Reeve, from Northeast Australia. The latter is described as greenish 

 and the outline is figured as more rectangular. I have not seen speci- 

 mens, but the differences, taken in connection with the geographical 

 distribution, seem to warrant specific distinction. 



Type.— No. 332782, U.S.N.M. 



LINGULA ADAMSI Dall. 



Lingula tumidula A. Adams, Ann. Mag. Nat. Hist., ser. 3, vol. 11, p. 100, 1863. — 



Davidson, Proc. Zool. Soc, 1871, p. 310, pi. 30, fig. 1, 1871; not of Reeve, 



1841. 

 Lingula adamsi Dall, Proc. Acad. Nat. Sci. Phila., for 1873, p. 202. — Davidson, 



Mon. Rec. Brach., pt. 3, p. 218, pi. 28, fig. 19, 1888. 

 Lingula lepidula Dunker, Index Moll. Mar. Japonici, p. 254, 1882; not of A. 



Adams, 1863, according to Davidson. 



Type locality. — Tsaulian Harbor, Korean Archipelago, in 7 fathoms. 

 A. Adams. 



Cat. No. 



274151 

 274152 

 274153 



Locality. 



Shimabara, Japan 



Akashi, Japan 



Higabukanseki, Higo, Japan 



Collector. 



E. S. Morse 

 E. S. Morse 

 E. S. Morse 



Number 

 of speci- 

 mens. 



2 



10 



6 



The shell is mottled with dark brown, darkest distally, and is nota- 

 ble for a thin grayish periostracum which is dehiscent in drying. The 

 setae are conspicuously long, and the peduncle in dry specimens 

 nearly twice as long as the valves. 



