SOME NEW OR NOTEWORTHY SHELLS — HBDLBY. 155 



Planispira cyclostomata, Le Guillou. 

 (Plate xlv., figs. 51, 52, 53, 54). 



Among fallen leaves under bushes by the sea-side at Mapoon, 

 •entrance of the Batavia River, on tlie east coast of the Gulf of 

 Carpentaria, I gathered in May, 1903 a few land shells. One of 

 these was MlcvDphynra heniickwsa, Tate, and another was the 

 shell illustrated herewith. It is a pale horn colour with a russet 

 peripheral band, maj. diam. 7 ; niin. diani., 55 ; height, 3 mm., 

 and has a remarkable sculpture of elongate grains. 



This character leads me to identify it as Helix cyclostomata^ 

 described by Dr. .Le Guillou"- as '* papillis linearibus obsita. " 

 The tyi)e came from Warrior, Tud, or Toud Island in Torres 

 Strait, about seventy-two miles north-east of Cape York, and 

 was doubtless gathered by himself when the " Zelee, " of which 

 he was surgeon-major, touched there in June, 1840. 



The official account of the Zoology of this voyage ignores the 

 publication of this and other species by LeGuillou, who seems 

 to have been on bad terms with the authorities. Under the 

 manuscript name of "Helix strangidata, Hombron and Jacquinot," 

 L. Rousseau^^ described from Toud Island a shell having regular 

 numerous transverse striae, which in other respects agrees with 

 LeGuillou's description. Tliis name had previously been used 

 for a West Indian shell by C. B. Adams. ^ ^ 



The illustration of H. strangidata, which had appeared previous 

 to the description of Rousseau, was claimed by Pfeiffer^^ as 

 representing his Helix tuckeri. This latter, whose sculpture was 

 defined as " breviter et sparsim pilosa, " was described'" from 

 Sir Charles Hardy Island, about one hundred and eight miles to 



^tlle south-east of Cape York, and was gathered by Macgillivray 

 in 1844. It was i-oughly figured in the second edition of 

 Chemnitz's "Conchilien Cabinet," Bd., i., Abth. 12, 184G, pi. 79, 

 tigs. 10-12. Subsequently Dr. Pfeiffer suggested the identity of 



-his H. tuckeri with S. cyclostomata. ^ "^ 



52 Le Guillou— Rev. Soc. Cuv., 1842, v., p. 141. 



53 Rousseau— Voy. au Pole Sud, Moll. 1854, p. 16, pi. vi., figs. 1-4. 

 '* C. B. Adams — Contributions to Conchology, ii., p. 30, 1849. 



Es Pfeiffer— Mon. Helic, iii., 1853, p. 236. 



»« Pfeififer— Symbolia; ad Hist. Helic, iii., 1846, p. 77. 



57 PfeiEFer— Mon. Helic, i., 1848, pp. 345, 379. 



