315 
Co cirea CELLS y; 
Mangitia flaccida, Pritchard and Gatliff. I v7, 
Mangilia flaccida, Pritchard and Gatliff, Proc. Roy. Soc., 
Victoria, 1899, vol. xii., p. 102, pl. viii., fies, 3 and ais Type 
locality—‘‘San Remo, Western Port”: . ibid, 1900, vol. xii., 175; 
Tate and May, Proc. Linn, Soc., New South Wales, 1901, vol. 
xxvi., p. 370, ‘Tasmania.’ 
Dredged in Gulf St. Vincent, 1 perfect; in 40 fathoms 
off Beachport, 3 good; in 55 fathoms north-west of Cape 
Borda, 7 moderate. Taken on the beach at St. Francis 
Island, 8 good, and at LeHunte aaine Great Australian 
Bight, 1 good. Identified by Mr. Saab 
: tywr_abery 121 At: “héae 9 4, 
Mangilia—picta, Adams and Angas. 0: 
Margrtta—pieta, Adams and Angas, Proc. Zool. Soc., London, 
1868, p. 419, pl. xxxvii., fig. 7. Type locality—‘Port Jackson 
(and South Australia)” ; Angas, Proc. Zool. aes London, 1867; 
Tryon, Man. Conch., 1884, vi., p. 256, Xxli., fig. 72; 
Sowerby, Proc. Mal. Soc., Sine 1896, vol. ii. es 29; Pritchard 
and Gatliff, Proc. Roy. Soc., Victoria, (1899) 1890, vol. xii. 
(N.S.), p. 178, ‘Victorian coast” ; Tate and May, Proc. Linn. 
Soc., New South Wales, 1901, vol. xxvi., p. 370, “Tasmania.?? 
Mangia meredithiv, Tenison- Woods, Proc. Roy. Soe., Tas- 
mania, (1875) 1876, p. 142. Type locality —‘Bass Strait.” 
The variations of this species make it very worrying. 
The typical shell is easily recognized by its colour bands, 
its bold ribs, and its fine spiral incisions; but the ribs may 
diminish to the vanishing point, the shape may vary to a 
short, broad form or to a long, narrow shell, and the angu- 
lation may become a rounded shoulder. 
The colour markings may disappear in turn, till the shell 
is quite white, or may become narrow and numerous, so as 
to band the whole body-whorl with thin brown lines, and 
approach J. insculpta, Adams and Angas, from which the 
brown apex and the more decided incisions of the latter dis- 
tinguish it. The most persistent ornament is that referred 
to by Mr. Gatliff, the colour dashes immediately below the 
suture, which are frequently crescentic and correspond with 
the contour of the sinus. Another variation is a colouration 
of the lower half only of the base of the body- -whorl. 
Dredged from 8 to 22 fathoms in Gulf St. Vincent and 
Spencer Gulf, and off St. Francis Island; also good in 110 
fathoms off Beachport, and. moderate in 200 fathoms. Taken 
all along the coastline westward to Fowler Bay. 
UA nag 
Mangilia insculptys Adams and Angas. VA 
Mangilia insculpta, Adams and Angas, Proc. Zool. Soc4 Lon- 
don, 1863, p. 420, pl. xxxvii., fig. 8. Type locality—“Gulf St. 
Vincent” ; ;) Angas, op. cit., 1865, p. 160; Tryon, Man. Conch, 
1884, vol. Vic, p p. 256, pl. xxii. , fig. 61. 
